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Highly efficient kaolin/g-C3N4/WO3 ternary nanocomposite for the effective removal of Arsenic ions from aqueous media Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-28 S. Jeya Sri Lakshmi, R. Biju Bennie, A. Nirmal Paul Raj, C. Joel, A. Jerold Antony, Bandar Ali Al-Asbahi, Yedluri Anil Kumar
The effectual removal of arsenic ions from contaminated water sources remains a significant challenge in water treatment. In this study, we propose a novel composite material consisting of kaolin, graphitic carbon nitride (g-CN) and tungsten trioxide (WO) for effective arsenic removal. The composite material was prepared through a facile synthesis method, and its physicochemical properties were characterized
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Selective laser melting and mechanical behavior of Mo-coated diamond particle reinforced metal matrix composites Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-28 Kai Li, Zijian Hu, Wenxin Yang, Wei Duan, Xiaonan Ni, Zhenjie Hu, Wentao He, Zhicheng Cai, Yike Liu, Zhe Zhao, Xin Deng, Jinyang Liu, Zhi Qu, Feng Jin
Defects, such as pores, microcracks, and thermal damage, pose significant challenges in the selective laser melting (SLM) process of diamond reinforced metal matrix composites. To address these issues, this study utilizes Mo-coated diamond particles prepared via salt bath plating for SLM processing of CoCr-diamond composites. The SLM process parameters including laser power, scanning speed, and hatch
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Enhanced supercapacitor dynamics mediated by systematic incorporation of rGO in Mn3O4 matrix Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-28 Muhammad Irfan, Fariha Sarfraz, Ammar Tariq, Umer Waqas, Shahid M. Ramay, Fatima Afzal, Shahid Atiq
The escalating need for effective energy storage systems, driven by the pursuit of sustainable and clean energy sources, has prompted a focused exploration in this study. This research centers on the utilization of MnO nanostructures to create composites with varying % (3 %, 6 %, and 9 %) of reduced graphene oxide (rGO) as electrode materials for supercapacitors, aiming to address the rising demands
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Potential application in the photocatalysis field of a carbon nitrogen material and methods to improve photocatalytic efficiency Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-28 Maoye Yin, Xiangyang Tan, Keyuan Wang, Hengshuai Li, Dong Fan, Zhihao Wang, Haiquan Hu, Feng Guo, Zhenbao Feng, Jun Li, Dong Zhang, Minghui Zhu, Fei Wang
Because two-dimensional graphene-like materials have great application potential in photocatalysis, we designed a new graphene-like material named g-CNH. It consists of four carbon atoms, three nitrogen atoms, and one hydrogen atom. Firstly, the stability of the structure was verified by molecular dynamics simulation. Then, the electronic properties of the structure, such as band gap and light absorption
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Ti3C2Tx supported cross-linked polyaniline nanorods with the significantly-improved capacitive performance for flexible solid-state symmetric supercapacitors Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-28 Nannan Duan, Weijing Ma, Pengxue Zhang, Qi Liu, Chuanli Qin
Polyaniline (PANI) is extensively utilized as the electrode material of supercapacitors. Nevertheless, its capacitive performance is still unsatisfactory due to its limited electrical conductivity, volume change during charging and discharging, and buried active sites. In this paper, TiCT supported cross-linked polyaniline nanorods (C-PANI/TiCT) were prepared by in-situ polymerization of aniline on
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Heterostructure of Fe2O3 doped Alstonia Scholaris wood waste derived activated carbon based electrode for supercapacitor applications Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-28 A. Revathi, P.N. Palanisamy, R. Boopathiraja, D. Sudha
The production of environmentally friendly and long-lasting supercapacitor electrodes employing activated carbons obtained from industrial wood waste from by traditional chemical activation using HSO at High temperature activation is shown in this paper. The new traits of metal oxide (FeO) doped wood derived activated carbon employing a slow precipitation technique. The produced activated carbon and
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Reliable and explainable machine learning for charge transfer/atomic structure relationships of hydrogenated nanodiamonds Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-27 Peng Wang, Jingli Ren
A supervised learning model combined with genetic algorithm is proposed to predict charge transfer efficiency of nanodiamonds. The model is chosen among ten models whose parameters are modified by genetic algorithm with ten-fold cross-validation, ensuring the accuracy of model. Generalization ability and reliability are further verified by prediction error and consistency tests of twin nanodiamonds
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Covalent-organic framework/carbon nanotubes for electrochemical detection of o-nitrophenol Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-27 Xiaoxian Hu, Sina Xiong, Juan Yang, Lei Ye, Yuanyuan Zhang, Ting Zeng, Nianjun Yang
Covalent organic frameworks (COFs) have aroused much attention as candidate materials for constructing electrochemical sensors. However, their inherent low conductivities have limited their sensing applications. Here, a novel COF/carbon nanotubes (CNTs) composite is prepared via a straightforward ultrasonic method, incorporating amino-functionalized CNTs (NH-CNTs) into COF composed of 1, 3, 5-benz
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Electrochemical fingerprinting of complex solutions using boron-doped diamond electrodes: Advanced classifications by machine learning Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-27 Ryoji Arita, Nobutomo Morita, Kenshin Takemura, Wataru Iwasaki, Suguru Ueda, Shinya Ohmagari
Boron-doped diamond (BDD) electrochemical sensors exhibit high sensitivity and a wide-ranging voltammogram scan capability, facilitating the generation of unique fingerprinting information. These attributes are invaluable for the rigorous quality control and real-time monitoring of intricate liquid compositions. In this study, we present an advanced approach for the authentication of complex liquid
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Tribological behavior of PDC-CR at different temperatures Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-27 Ruyi Gou, Jiawang Zhao, Xun Luo
In high temperature environment, friction and wear are more likely to cause the failure of Polycrystalline diamond compact (PDC) by graphitization. PDC with cobalt removal (PDC-CR) and friction pairs (silicon nitride balls) were purposely selected for frictional wear experiments at temperatures of 200 °C, 300 °C, and 400 °C, respectively. Scanning electron microscope, energy spectrometer, X-ray diffractometer
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Modelling and optimization of long-term modulus of elasticity and Poisson's ratio of graphene oxide based engineered cementitious composites by using response surface methodology Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-27 Naraindas Bheel, Bashar S. Mohammed
The lack of coarse aggregate is a prominent factor contributing to the relatively low modulus of elasticity (ME) seen in engineered cementitious composites (ECCs). In contrast, the accumulation of graphene oxide (GO) into cementitious composites has resulted in enhancements in their deformation characteristics. However, the ME and Poisson's ratio (PR) of ECC are influenced by the curing period, among
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High-temperature photoelectronic transport behavior of n-TiO2 nanorod clusters/p-degenerated boron-doped diamond heterojunction Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-27 Shunhao Ge, Dandan Sang, Liangrui Zou, Changxing Li, Guangyu Wang, Jianchao Fan, Qinglin Wang
N-TiO nanorod clusters (Ncs)/p-degenerated boron-doped diamond (n-TiO Ncs/p-DBDD) film heterojunction was prepared by hydrothermal method, and the photoelectric properties depending on temperature dependence were tested. Three distinct emission peaks of 402 nm, 429 nm and 454 nm were detected by the photoluminescence (PL) test under 355 nm ultraviolet light and excited in the blue-green region light
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Using MWCNT and titanium oxide as boosters in passive heat transfer methods for clean and renewable energy applications Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-27 Mohammed A. Alghassab, Naeim Farouk, Abir Mouldi, Laith H. Alzubaidi, Ibrahim Mahariq, Javid Alhoee
Passive heat transfer (PHT) methods provide an energy-efficient and environmentally friendly approach for transferring heat between systems, making them a promising solution for renewable and clean energy utilization across various applications. Changing the performance of heat transfer systems can be achieved by manipulating fluid flows. In this study, an investigation was conducted on the use of
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Determination of ascorbic acid in biological samples using an electrochemical sensor modified with Au-Cu2O/MWCNTs nanocomposite Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-27 Fereshteh Parkook, Siamak Kiani Shahvandi, Mehrorang Ghaedi, Hamedreza Javadian, Ali Parkook
In this study, we developed a novel electrochemical sensor for measuring ascorbic acid (AA) or vitamin C (CHO) in urine samples. The sensor was designed using a glassy carbon electrode that was modified with a nanocomposite of Au-CuO and MWCNTs. We investigated the characteristics of the nanocomposite using FE-SEM, TEM, XRD, and EDS. Cyclic voltammetry (CV) was used to determine the electrochemical
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CaO@ZrO2@g-C3N4 nanosorbent for superior malachite green dye selectivity and adsorption from contaminated water Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-25 O. Aldaghri, B.A. El-Badry, K.H. Ibnaouf, Kamal K. Taha, Mohamed Ali Ben Aissa, A. Modwi
The steady rise in the volume of waste produced by the forestry, lumber, and paper sectors has necessitated the exploration of methods to convert these waste products into commercially advantageous resources for human use. The present study presents the synthesis and utilization of CaO@ZrO@g-CN (CZCN) as an innovative adsorbent for eliminating malachite green (MG) from aqueous solutions. The CZCN nanosorbent
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The effect of thiol ligands on the adsorption behavior of silver ions on functionalized nanomagnetic graphene oxides Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-25 Maryam Zounia, Mohsen Hakimi, Mohamad Reza Samadzadeh Yazdi, Hakimeh Zare, Ahad Amiri
The magnetic graphene oxides (MGO) were modified with -cysteine (Cys), glutathione (GSH), and thioglycolic acid (TGA) as the thiol ligands. The modified MGOs were evaluated using field emission scanning electron microscopy, Raman spectroscopy, X-ray diffraction Fourier transform infrared spectroscopy, vibrating sample magnetometry, and Brunauer Emmett Teller (BET) surface area analysis. The results
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Facile synthesis of KMnCl3 halide perovskite based composites with rGO and fullerene (C60) for efficient supercapacitor electrodes Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-24 Muhammad Riaz, Syed Mansoor Ali, Syed Danish Ali, Maria Sadiq, Muhammad Asif Shakoori
Recently, the family of halide perovskite materials drawn significant attention of scientific community for next generation energy storage devices because of their outstanding features, such as high ionic and electronic conductivity. However, besides energy conversion, their use for energy storage is found to be limited. In this study, an efficient antisolvent approach were employed to synthesize the
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P-Ni co-doped Mo2C embedded in carbon-fiber paper as a highly efficient electrocatalyst for hydrogen evolution in alkaline media Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-24 Tianyi Ding, Lei Zhang, Juntong Huang, Zhihui Hu, Jihong Wang, Zhi Chen, Zhijun Feng, Huiyong Yang, Xibao Li
The development of noble-metal-free electrocatalysts with high electrocatalytic performance and stability by adopting a scalable route is key to solving the energy crisis. We report a PNi co-doped MoC-based electrocatalyst with high hydrogen evolution reaction (HER) catalytic activity prepared by a molten-salt method. Using phosphating times of 2 h and 4 h yielded P-Ni-MoC-2h and P-Ni-MoC-4h, respectively
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Blue-white electroluminescence of diamond/WS2 quantum dot composite films Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-24 Jing-Chun Wang, Xiao-Ping Wang, Xiao-Dan Li, Li-Jun Wang, Feng-Di Xu, Bing-Chao Zhao
Two kinds of diamond films with completely different morphologies were prepared on N-type heavily doped silicon wafers by microwave plasma chemical vapor deposition (MPCVD) method, namely, micron-scale large grain polycrystalline diamond film dominated by (220) crystal plane (220DF) and nano-scale small grain polycrystalline diamond film dominated by (111) crystal plane (111DF). And WS quantum dot
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Production of carbon nanotube-supported metal (M = Ru, Pd, Pt) doped polyacrylic acid electrode materials and supercapacitor application Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-24 Aykut Caglar, Sibel Yazar, Dania Alovn, Hilal Kivrak
A radical polymerization with the contribution of carbon nanotube (CNT) supported metal (M/CNT) catalysts has been reported on the preparation of poly(acrylic acid) (PAAc) hydrogels for supercapacitor electrode materials. Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy-energy dispersive X-ray analysis (SEM-EDX) and mapping, micro-Raman spectroscopy
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Investigation, using DFT, of adsorption of biomarker volatiles by fullerene and hetero-fullerene and possibility of biosensing of liver cirrhosis Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-24 Mohamed Al-Hattab, Karoum Limame, Aziz Moumad, Abderrahim Mouram, Khalid Rahmani, L'houcine Moudou, Younes Chrafih, Omar Bajjou
In this investigation, density Functional Theory (DFT) calculations were used to explore the interactions of 2-pentanone, limonene, and methanol molecules, considering as a biomarker volatile for liver cirrhosis, with virgin and heterofullerene. The Geometric and electronic parameters such as adsorption configuration, adsorption energy, border molecular orbitals, and charge density difference are performed
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Switchable visible and near-infrared light bifocal lens based on hybrid graphene-metasurface structures Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-24 Amin Araghi, Ghafar Darvish, Mohammad Naser-Moghadasi, Mehdi Khatir
We propose a wideband visible (VIS) and near infrared (NIR) light reflective flat lens with switching capability base on hybrid graphene-metasurface structure. This tunable flat lens structure consists of a slotted gold reflector substrate, a graphene monolayer and TiO2 nanofins that provide excellent focusing performance and tunability in the VIS and NIR range. In order to achieve the switching feature
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Microwave hydrogen plasma etching on the laser-cut surface of single crystal diamond: Phases, etching morphology, stress evolution and the effect of etching on the subsequent homoepitaxial growth Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-23 Yongning Wei, Jie Gao, Ke Zheng, Yong Ma, Jiaqi Zhi, Wenru Jia, Xin Zheng, Shuaiwu Qu, Bing Zhou, Shengwang Yu
In order to improve the pretreating efficiency of single crystal diamond (SCD) before its homoepitaxial growth, a strategy coupling laser cutting and microwave hydrogen plasma etching was proposed to replace the traditional pretreatment steps, which underwent laser cutting, mechanical polishing, acid cleaning, and microwave plasma etching in order. The feasibility of this idea has been studied by growing
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Triple-band graphene-based tunable electromagnetically induced transparency terahertz metamaterial with multi-frequency optical switching Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-23 Yuxuan Chen, Guiyuan Duan, Chongyang Xu, Xuefeng Qin, Qian Zhao, Haiquan Zhou, Ben-Xin Wang
A simple graphene-based terahertz metamaterial with the composite patterns of a π-shaped and a strip-shaped is proposed for realizing the electromagnetically induced transparency (EIT) effect. Three efficient transparent peaks with the average transparency strength of >85 % are achieved. The physical mechanism of the formation of the triple-band EIT effect is illustrated by the transmission spectra
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Flower-like carbon spheres formed by self-assembly of nitrogen-doped porous nanoribbons to boost SnS2 nanosheets for advanced lithium storage Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-22 Ping Xu, Xiaodong Wang, Dingrong Guo, Chen Zeng, Mingdong Liao, Xiebo Hu, Qizhong Huang, Zhe'an Su, Mingyu Zhang
SnS is a two-dimensional layered material with high theoretical capacity, but its further application in lithium-ion batteries is limited by problems such as low intrinsic conductivity and dramatic volume expansion during lithiation process. Therefore, SnS nanosheets were designed to anchor in the interlayer nanospaces of flower-like carbon spheres self-assembled from nitrogen-doped porous carbon nanoribbons
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Exploring the photovoltaic performance of boron carbide quantum dots doped with heteroatoms: A DFT analysis Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-22 Daniela Tatiana Castañeda Ortiz, Ghadir Kamil Ghadir, Mohammed Ahmed Mustafa, Subhash Chandra, Irwanjot Kaur, Mohamed J. Saadh, Yazen.M. Alawaideh, Ahmed Elawady, Yasser Elmasry
The search for novel, non-toxic, and high-performance materials for use in quantum dot solar cells (QDSCs) is ongoing. One key requirement for a successful QDSC is a photosensitizer that can effectively adjust the optical and electrochemical properties of the quantum dots to improve their performance. As such, the development of suitable photosensitizers is critical for the success of QDSC technology
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Modified Ag-ZnO coated graphene oxide ternary composite for superior photocatalytic degradation of crystal violet dye under visible light irradiation Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-22 Mansimran Kaur, Bonamali Pal, Davinder Kaur
The enhancement of advanced nanomaterials into photocatalytic applications has preserved a significant curiosity for its potential to address environmental challenges. To address this concern, a green and eco-friendly catalyst was fabricated. In this study, we examined the enhancement of the photocatalytic activity of various synthesized composites with the modification of graphene oxide (GO) and Ag
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Unveiling the unique properties of carbon nitride (C6N8) monolayer as a novel flexible sensor for hydrogen cyanide and hydrogen fluoride: A DFT study Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-21 Yumna Malik, Nisa Naseem, Farwa Tariq, Khurshid Ayub, Sarah A. Alsalhi, Shaimaa A.M. Abdelmohsen, Javed Iqbal
Surge for the advancement of sensor that accurately and selectively detect toxic materials particularly cyanides and fluorides, is expanding every day. Herein, we analyze the sensing ability of carbon nitride (CN) monolayer for precise detection of hydrogen cyanide (HCN) and hydrogen fluoride (HF) using DFT approach. Interaction energy analysis reveals that HF binds strongly to CN monolayer which is
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Cryogenic assisted femtosecond laser ablation of polycrystalline diamond Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-21 Donglin Zhang, Yukui Cai, Jawad Aslam, Kuanxin Tang, Zhidong Huang, Qinghua Song, Bing Wang, Zhanqiang Liu
Polycrystalline diamond (PCD) tools have gained popularity in machining industry ascribed to superior surface quality and durability at elevated temperature and abrasive forces. A major obstacle for high-speed PCD machining is the excessive heat production that transcend the heat dissipation capacity, resulting in reduced tool life and performance. Surface microstructures on PCD tools can improve thermal
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Sensing ivacaftor accomplished using the square-wave voltammetric technique with the assistance of a cationic surfactant on a boron-doped diamond electrode Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-21 Hemn A.H. Barzani, Hoshyar Saadi Ali, Oruç Yunusoğlu, Yavuz Yardım
This investigation aims to describe the voltammetric analysis of ivacaftor (IVA) by utilizing the boron-doped diamond (BDD) electrode to add a cationic surfactant. Cyclic voltammetry via Britton-Robinson (BR, 0.04 mol L, pH 2.0) buffer was used to perform determinations of the IVA demonstrating irreversible behaviors, adsorption-controlled and well-defined (+1.04 V, P) and an ill-defined (+1.42 V,
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Facile fabrication of BiFeO3/g-C3N4 nanohybrid as efficient electrode materials for supercapacitor application Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-20 Tehreem Zahra, Soumaya Gouadria, Muhammad Abdullah, F.F. Alharbi, Salma Aman, Hafiz Muhammad Tahir Farid
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Synthesis of S-scheme 0D/2D Co2ZrO5/g-C3N4 heterojunction photocatalyst with enhanced visible-light photocatalytic activity for tetracycline Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-20 Zhengru Zhu, Longjun Tang, Junchao Jiang, Hong Li
The step-like scheme (S-scheme) heterojunction photocatalyst, which possess an improved electric field, intimate interfacial contact and reasonable energy band structure, is one of the most optimal ways to solve the wastewater problem caused by residual antibiotics. Herein, a new type of S-scheme 0D/2D CoZrO/g-CN (CZO/CN) heterojunction photocatalyst was prepared via an ultrasonic assisted hydrothermal
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Accelerate the design of new superhard carbon allotropes in Pca21 space group: High-throughput screening and machine learning strategies Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-20 Qingyang Fan, Gege Min, Li Liu, Yingbo Zhao, Xinhai Yu, Sining Yun
As an efficient calculation and screening method, high-throughput can discover and optimize new materials, shorten the development cycle and cost of new materials. However, using high throughput for material screening and computation, a large amount of computing resources and storage space are indispensable. To accelerate the design of novel superhard carbon materials, we combined machine learning
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Effect of carbon nanotubes on the electrical properties of ternary PVDF/PANI/MWCNT nanocomposite in a wide temperature range of 4.2–340 K Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-19 R.M. Rudenko, O.O. Voitsihovska, A.A. Abakumov, A.S. Nikolenko, V.M. Poroshin
The electrical properties of ternary PVDF/PANI/MWCNT nanocomposite with 0–15 wt% content of multi-walled carbon nanotubes (MWCNT) were investigated. It was found that, in the studied temperature range of 4.2–340 K, two semiconductor impurity conduction mechanisms appear in their pure form. The charge carrier transfer at low temperatures occurs through localized states due to the Efros-Shklovskii variable
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Micron-scale Al particulates to improve the piezoresistive performance of amorphous carbon films Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-19 Shanze Liu, Zhihan Zhao, Wenlong Zhang, Rende Chen, Jing Wei, Peng Guo, Aiying Wang
Amorphous carbon (a-C) has been extensively studied as a promising candidate for microelectromechanical system (MEMS) piezoresistive sensors owing to its excellent mechanical properties and sensitivity. However, the semiconductor features of a-C films complicate achieving a high gauge factor (GF) and low temperature coefficient of resistance (TCR). In this study, we introduced micron-scale Al particulates
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Multi-epoxy groups anchoring on graphene oxide and solvent-free mixing with epoxy resin to enhance mechanical and frictional properties Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-19 Qiguo Hao, Shuang Liu, Xiaomei Wang, Pengyu Zhang, Zhiyi Mao, Xu Zhang
In this research, N, N, O-triglycidyl-p-aminophenol (AFG-90) is anchored on GO (AFG-90-NGO) and further mixed with epoxy resin (EP) as a filler by a convenient solvent-free mixing method. The structure and composition of thus obtained AFG-90-NGO were characterized. It was found that the AFG-90-NGO improves the mechanical and frictional properties of EP. The effect of surface modification on the morphology
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The oxidative thermal exfoliation-dependent microstructure and photocatalytic performance of g-C3N4 nanosheets Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-18 Xiaoyu Jiang, Xiang Li, Yumin Liu, Haifa Zhai, Gongke Wang
The preparation of ultrathin nanosheets is conducive to increasing the material's specific surface area and introducing suitable defect sites. This facilitates the enhancement of the separation efficiency of photogenerated charge carriers and improves the adsorption and degradation efficiency toward pollutants. Various nitrogen-rich precursors were employed for the synthesis of bulk g-CN (BCN) and
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Electronic properties of c-BN/diamond heterostructures for high-frequency high-power applications Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-18 Jeffrey T. Mullen, James A. Boulton, Minghao Pan, Ki Wook Kim
Using first principles calculations, this work investigates the suitability of diamond/c-BN heterojunctions for high frequency, high power device applications. The key quantities of band offsets and interface charge polarization are examined for different crystallographic orientations [(110), (111), or (100)], bond terminations (CB or CN), and substrates (diamond or c-BN). The results indicate that
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Polybenzidine-MnO2 nanocomposite on anodized graphite sheet as a novel system for high-performance supercapacitors Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-17 Reza Dadashi, Khalil Farhadi, Morteza Bahram
In this work, we report for the first time the in-situ synthesis of polybenzidine‑manganese oxide (PB-MnO) nanocomposite on anodized graphite sheet (AGS). The PB-MnO/AGS electrode is easily fabricated through the electrochemical anodization of the graphite sheet followed by the polymerization of the benzidine monomer using KMnO as an oxidant and MnO source. The results of various instrumental analysis
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Addition of reduced graphene oxide to carbon shaft based on cerbera manghas mesocarp to improve energy storage performance of supercapacitor cells Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-16 Rakhmawati Farma, Aria Yunita, Irma Apriyani
Improving the electrochemical performance of biomass-based porous carbon materials has been widely studied, one of which is by adding other materials such as rGO. In this work, a porous carbon based on mesocarp biomass with the addition of rGO (CMG) has been successfully synthesized. The mass addition of rGO was varied to determine how it affects capacitive performance. CMG samples were characterized
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Simulation of adsorption behavior for various functionalized graphene nanosheets containing alkyl chain/polymer nanocomposites using ReaxFF Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-16 Giti Pishehvarz, Jafar Azamat
The non-covalent interactions in polymer/functionalized graphene nanosheet (FGN) nanocomposites containing the alkyl chain were investigated in this study. For this purpose, the non-covalent interactions at the interfaces of the mentioned polymer nanocomposites were accurately assessed using reactive molecular dynamics (RMD) simulation. The considered structures included poly(3-(4-n-octyl)-phenylthiophene)
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In situ preparation of Co3O4/CF flexible composites with core-shell structure as high-performance microwave absorbers Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-15 Xiaowei Liu, Konghu Tian, Chao Zhang, Jing Wang, Yufei Li, Lixin Xu, Chulgyu Jhun, Liang Zhang
This study obtained cobalt nitrate (CoO)/carbon fibers (CF) composites with a core-shell structure using in situ CoO growth on lightweight and flexible hydrophilic CF through a hydrothermal synthesis method and simple heat treatment to improve the attenuation of microwaves and their absorption properties. The urea content was adjusted to tune the needle-like morphology of CoO. The results showed that
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High electrochemical capacity of novel ternary graphene oxide based PANI/Co3O4 nanocomposite as supercapacitor electrode material Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-15 Kiran Batool, Malika Rani, Sameh M. Osman, Mika Sillanpää, Rubia Shafique, Shamim Khan, Mariam Akram
This study introduces a novel GO/PANI/CoO ternary nanocomposite synthesized through a cost-effective co-precipitation method for supercapacitor applications. Comprehensive characterizations using XRD reveal the amorphous diffraction patterns of PANI, the hexagonal symmetry of GO, and the presence of CoO with high crystallinity. The nanocomposite exhibits a unique lattice parameter, indicating its distinctive
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Surface properties of carbon black functionalized with pyrrole compounds Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-15 Andrea Bernardi, Francesco Moriggi, Davide Gentile, Rexhina Marku, Luigi Brambilla, Vincenzina Barbera, Maurizio Galimberti
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Synthesis and characterization of CeO2 modified graphene oxide with improved wettability Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-14 Xiuliang Zou, Zijian Cheng, Ying Ling, Hong Yan
In this paper, CeO nanoparticles coated graphene oxide (CeO@GO) nanocomposites were synthesized by a modified hydrothermal method. The morphology and structure of CeO@GO nanocomposites were characterized systematically. Moreover, the wettability behavior of GO before and after coating CeO nanoparticles was investigated. It was found that the CeO nanoparticles with an average diameter of ~10 nm were
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The reusable g-C3N4/BiOCl-Template Z heterojunction photocatalyst prepared from rose templates effectively degrades mixed pollutants and high concentration pollutants while reducing system ecological toxicity Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-14 Rui Zhang, Jiacheng Jiang, Lin Peng, Yong Shu, Luming Jiang, Guixiang Zhao, Ziyin Chen, Maoqin Xu, Jie He
The g-CN/BiOCl-Template porous catalytic material was prepared by the biotemplate method for the photocatalytic degradation of tetracycline (TC). The samples were characterised and tested by X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and nitrogen physisorption. The results showed that the petal biotemplate was successfully removed, and the prepared
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Carbon nanofiber-based electrical heating films incorporating carbon powder Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-13 He-Dong Huang, Wei Lv, Junwei An, Guo-Xiang Xin, Hui-Ying Tian, Xiang-Feng Meng, Zhi-Ping Wang, Bin Li, Yong-Fei Ren, Ze-Yu Guo
Electrospinning was employed to fabricate composite electrothermal films using carbon powder (CP)/carbon nanofiber (CNF). The study focused on investigating the effect of the CP content and carbonization temperature the electrothermal properties of these films. The results revealed a direct correlation between these parameters and the conductivity of the CP/CNF composite electrothermal films, ranging
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Research on the thickness effect and micro-fracture mechanism of graphite sheets with layered structures Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-13 Tian Qiu, LiHong Liang
Size effect refers to alterations in material properties as their size varies, garnering significant attention as a cutting-edge issue. Graphite sheets, known for their exceptional thermal and electrical conductivity, the thickness effect on their mechanical properties is a notable gap in research. In this paper, the tensile strength, damage rate, and micro-fracture mechanism of graphite sheets with
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The effect of microwave and muffle furnace-assisted heating on the surface characteristics of teff husk activated carbons: Thermodynamic, isotherm, and kinetics study of Pb removal Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-13 Khalid Siraj, James Simon Aballa, Mohammed Danish, Tanweer Ahmad, Mohammad Mansoob Khan, Shahnaz Majeed, Birtukan Adane
This study explored the fabrication of activated carbon from teff husk biomass using microwave and muffle-furnace-assisted heating and observed its effect on surface characteristics and the thermodynamics, isotherm, and kinetics of Pb ions removal. Chemical activation of the teff husk was carried out using ZnCl as an activating agent. The microwave-assisted activated carbons (MW-THAC) and muffle furnace-assisted
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Nanohole-created carbon nanofibers for graphene-based supercapacitors Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-13 Jaechang Seol, Gil Hwan Lim, Jimin Lee, Selvaraj David, Yung Ho Kahng
Manifold graphene-based supercapacitor (GSC) electrodes have been extensively studied recently. Numerous studies have aimed to improve the performance of GSCs by amending the surface using various treatments or by incorporating diverse materials. However, few studies have been conducted on the treatments for the back electrodes which support the active material in the GSCs. Herein, the activation of
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Low-temperature compositing of graphene to nanodiamonds by thermal reduction of graphene oxide and photocatalytic properties Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-13 Chong Wang, JieTing Zhao, Zheng Tian, Yitong Luo, Baoyan Liang
Graphene has become a research hotspot in the field of composites due to its special structure and excellent properties The common preparation methods of graphene matrix composites include solvent (hydrothermal) method, sol-gel method, chemical reduction method, electrochemical deposition method, etc. Nanodiamond/reduced graphite oxide (rGO) composites are directly synthesized by low-temperature heat
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Synthesis of nitrogen-doped graphene oxide by nanosecond pulsed laser ablation of graphene in liquid for bioimaging applications Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-12 Rohini Puliyasseri, Jebiti Haribabu, Rodrigo Ramirez-Tagle, Dillibabu Sastikumar
This work reports the synthesis of graphene oxide (GO) and nitrogen-doped graphene oxide (NGOs) by laser ablating graphene flakes in ethanol, utilizing liquid ammonia solution as the nitrogen source. Raman, FT-IR, and UV reveal the oxidation of graphene by laser ablation. Nitrogen doping was confirmed using FTIR and XPS analysis. XPS reveals the presence of pyrrolic, pyridinic, and graphitic nitrogen
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High pressure induced formation of carbon nanorods from tetracosane Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-12 Jiaxu Liang, Christopher P. Ender, Pascal Rohrbeck, Robert Graf, Ingo Lieberwirth, Hans-Joachim Räder, Manfred Wagner, Stefan A.L. Weber, Klaus Müllen, Tanja Weil
Morphology control of carbon structures is essential for improving their performance in many applications. Direct pyrolysis of organic precursors, however, usually yields bulk amorphous carbon. Therefore, traditional methods for controlling the morphology of carbon structures involve multistep processes and complex precursor molecules. While various methods have been developed under ambient pressure
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Lubrication and wear reduction characteristics of graphene oxide/ionic liquid composite coating Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-11 Yuting Yin, Wei Long, Xiaoming Cai, Puteng Gui, Wen Gao, Yan Qiao
Graphene oxide (GO) exhibits good hydrophilicity and chemical harmonizability attributed to its extensive oxygen-containing functional groups, thereby conferring superior lubrication and wear reduction characteristics in water lubrication systems. In this study, a composite coating of graphene oxide/ionic liquids (GO/ILs) was prepared using impregnation and ultrasonic spraying techniques. The influence
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Mechanism of Mn in controlling the microscopic characterization and interfacial properties of Cu Sn Ti Ga filler metal for brazing diamond abrasives Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-10 Bing Cui, Zhengwei Liu, Quanbin Du, Tao Jiang, Juan Liu, Yudong Sui, Hailiang Deng, Zhanjiang Fang, Baohong Tong
Improving the bond strength between Cu-based brazing material and diamond abrasive grits has been a hot research topic in the manufacturing field. In this experiment, Mn was added to CuSnTiGa filler metal to obtain diamond tools with high bond strength and high grinding efficiency. Using scanning electron microscopy and energy spectroscopy, it was found that with the increase of Mn element in the CuSnTiGa
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Dynamics of dislocation dipoles in graphene at high temperatures Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-10 L.Kh. Galiakhmetova, L.R. Safina, R.T. Murzaev, J.A. Baimova
Defects in two-dimensional structures as graphene can considerably affect their mechanical and physical properties. Therefore, a systematic study of the time evolution of the defect dynamics in graphene is of high importance. The dynamics of edge dislocation dipoles in planar graphene at high temperatures have been studied by means of molecular dynamics simulation. Different dislocation motion scenarios
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Exploration of optical and gamma radiation shielding characteristics of zinc oxide nanoparticles doped functionalized multi-walled carbon nanotubes nanohybrids based polyaniline ternary nanocomposites Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-09 E.S. Ali, Shams A.M. Issa, Hesham M.H. Zakaly, N.T. El-Shamy, H.A. Saudi, D.E. Abulyazied
This study explores the synthesis and characterization of polyaniline (PANI)-based nanocomposites integrated with functionalized multi-walled carbon nanotubes (FMWCNTs) and zinc oxide (ZnO) nanoparticles. Leveraging the inherent properties of PANI, such as cost-effectiveness and tunability, and the unique mechanical, electrical, and optical characteristics of FMWCNTs and ZnO, we aim to develop advanced
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Effect of P and Ce co-doping on the photocatalytic performance of g-C3N4: Experimental and theoretical studies Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-09 Xiaochen Yu, Xiao He, Xu Zhang, Yadi Peng, Pengfei Zhao, Ziqiao Zhang, Yifan Liu, Lingcheng Zhang, Peng Zhao
Element doping strategies are commonly employed to achieve effective photocatalysts. In this work, a novel form of P and Ce co-doped g-CN nanosheets was synthesized using a one-step thermal polymerization technique, exhibiting remarkable efficiency in the degradation of organic pollutants under visible light. The prepared catalysts underwent comprehensive characterization through XRD, FT-IR, SEM, TEM
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Improved performance of H-diamond MOSFETs with ZrO2/Al2O3 gate dielectric stacks deposited by electron beam method Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-07 Fei Wang, Wei Wang, GenQiang Chen, PengHui Yang, YanFeng Wang, MingHui Zhang, RuoZheng Wang, WenBo Hu, HongXing Wang
H-diamond MOSFETs with ZrO/AlO gate dielectric stacks were fabricated using an electron beam (EB) evaporation technique. The fixed positive charge in the ZrO contact layer depleted the two-dimensional hole gas to achieve normally off operation. Thanks to the leakage suppression of AlO blocking layer, the device exhibited a considerably low gate leakage current of 1.8 × 10 A/cm at = −5 V. Contributed
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Photocatalytic degradation of tetracycline by g-C3N4 homostructure modified by cyano group and nitrogen defect Diam. Relat. Mater. (IF 4.1) Pub Date : 2024-02-07 Wenhao Cai, Xueli Wu, Gaimei Ren, Jiao Tan, Xun He, Chuanjun Tu, Yanli Liu, Yubo He
The efficiency and cleanliness of photocatalytic technology make it a promising candidate for widespread use. In recent years, the escalation of environmental pollution has accentuated its severity. Consequently, the significance of photocatalytic degradation technology has grown considerably. Graphite carbon nitride (g-CN) has emerged as a promising material in the field of photocatalytic degradation