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Electrical resistivity of Sn–3.0Ag–0.5Cu solder joint with the incorporation of carbon nanotubes Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2021-02-25 Norliza Ismail; Azman Jalar; Atiqah Afdzaluddin; Maria Abu Bakar
The main objective of this study is to investigate the electrical properties of Sn–3.0Ag–0.5Cu solder joint with the incorporation of carbon nanotube instead of solder bulk. Sn–3.0Ag–0.5Cu solder paste with the incorporation of carbon nanotube up to 0.04 wt% was fabricated by using mechanical mixing method. Fabricated solder pastes were then soldered on printed circuit board via reflow soldering at
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Conversion of jet biofuel range hydrocarbons from palm oil over zeolite hybrid catalyst Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2021-02-10 Norsahika Mohd Basir; Norkhalizatul Akmal Mohd Jamil; Halimaton Hamdan
The catalytic conversion of palm oil was carried out over four zeolite catalysts—Y, ZSM-5, Y-ZSM-5 hybrid, and Y/ZSM-5 composite—to produce jet biofuel with high amount of alkanes and low amount of aromatic hydrocarbons. The zeolite Y-ZSM-5 hybrid catalyst was synthesized using crystalline zeolite Y as the seed for the growth of zeolite ZSM-5. Synthesized zeolite catalysts were characterized by X-ray
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Effects of post-annealing on MoS2 thin films synthesized by multi-step chemical vapor deposition Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2021-02-10 Muhammad Hilmi Johari; Mohamad Shukri Sirat; Mohd Ambri Mohamed; Yutaka Wakayama; Abdul Rahman Mohmad
Multi-step chemical vapor deposition (CVD) is a synthesis method which is capable of producing a uniform, large area, and high-quality thin films. In this work, we report the effect of post-annealing on the structural and optical properties of few-layers (FL) MoS2 thin films synthesized by multi-step CVD. Based on atomic force microscopic image, the thickness of the MoS2 thin film is ∼3 nm, which is
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Annealing temperature dependency of structural, optical and electrical characteristics of manganese-doped nickel oxide nanosheet array films for humidity sensing applications Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2021-02-04 N Parimon; MH Mamat; IB Shameem Banu; N Vasimalai; MK Ahmad; AB Suriani; A Mohamed; M Rusop
Manganese-doped nickel oxide nanosheet array films are successfully prepared on a nickel oxide seed-coated glass substrate by an immersion method. Various annealing temperatures between 300°C and 500°C are applied to the manganese-doped nickel oxide nanosheet array films to study their effect on the properties of nickel oxide, including humidity sensing performance. Field emission scanning electron
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On the performance of polymer-inorganic perovskite oxide composite light-emitting diodes: The effect of perovskite SrTiO3 additives Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2021-01-29 Ummi Kalsom Noor Din; Muhamad Mat Salleh; Tengku Hasnan Tengku Aziz; Ahmad Rifqi Md Zain; Mohd. Ambri Mohamed; Akrajas Ali Umar
This study reports the performances of a single structured light-emitting diode (LED) devices based on polymer material poly(9,9-di-n-hexylfluorenyl-2,7-diyl) (PHF) mixed with various concentrations of perovskite oxide strontium titanate (SrTiO3) particles deposited as a composite PHF: SrTiO3 emitting layer. The performances of the single structured organic LED indium tin oxide (ITO)/PHF/aluminum (Al)
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Gold-nanourchin complexed silicon dioxide-probe on gap-fingered interdigitated electrode surface for Parkinson’s Disease determination by current–volt measurement Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2021-01-18 Xiaohong Li; Wei Shi; Wenyan Zhang; Weiyao Chen; Dan Cao; Subash CB Gopinath; Periasamy Anbu; Na Liu
Parkinson’s disease (PD) is a nervous disorder, affects physical movement, and leads to difficulty in balancing, walking, and coordination. A novel sensor is mandatory to determine PD and monitor the progress of the treatment. Neurofilament light chain (NfL) has been recognized as a good biomarker for PD and also helps to distinguish between PD and atypical PD syndromes. Immunosensor was generated
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Synthesis and characterization of Fe, Co, and Ni colloids in 2-mercaptoethanol Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-12-29 Galo Cárdenas-Triviño; Sergio Triviño-Matus
Metal colloids in 2-mercaptoethanol using nanoparticles (NPs) of iron (Fe), cobalt (Co), and nickel (Ni) were prepared by chemical liquid deposition method. Transmission electron microscopy, electron diffraction, UV-VIS spectroscopy, and scanning electron microscopy with electron dispersive X-ray spectroscopy characterized the resulting colloidal dispersions. The NPs exhibited sizes with ranges from
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Multi-response optimization of chromium/gold-based nanofilm Kretschmann-based surface plasmon resonance glucose sensor using finite-difference time-domain and Taguchi method Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-12-24 Najmiah Radiah Mohamad; Mohd Farhanulhakim Mohd Razip Wee; Mohd Ambri Mohamed; Azrul Azlan Hamzah; P Susthitha Menon
Kretschmann-based surface plasmon resonance sensor utilizing chromium and gold nanofilms is ideal for label-free biomedical sensing. In this work, Taguchi’s L9 orthogonal array method was used to optimize the effects of three control factors and noise factor, which are the incident optical wavelength, chromium and gold nanofilm thicknesses, and their root-mean-square surface roughness, on the performance
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Formation of anisotropic gold nanoparticles on indium tin oxide substrates as a plasmonic sensing material Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-11-26 Nur Liyana Razali; Marlia Morsin; Suratun Nafisah; Nur Zehan An’nisa Md Shah; Farhanahani Mahmud; Soon Chin Fhong; Tengku Hasnan Tengku Abdul Aziz
A simple technique of seed-mediated growth has been successfully performed to grow anisotropy gold nanoparticles on solid substrates. The growth of the gold nanoparticles has been carried out in the presence of a binary surfactant mixture of hexadecyltrimethylammonium bromide with two different molecular weights of a capping agent, namely polyvinylpyrrolidone: 40,000 and 55,000. In this study, the
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Design of 2D GaN photonic crystal based on hole displacement for L3 cavity Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-11-26 Nur Dalila Mohd Zamani; Mohd Nuriman Nawi; Dilla Duryha Berhanuddin; Burhanuddin Yeop Majlis; Ahmad Rifqi Md Zain
In this article, we report modeling, simulation, and analysis of shifting 2D photonic crystal cavity side holes in GaN-AlN-sapphire layered structure. The design was simulated with Lumerical finite-difference time-domain. A lattice constant a, 157 nm, and a hole diameter d, 106 nm, were used in the design. The cavities are based on L3, which we demonstrated by simply shifting two holes away from a
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Synthesis of gold nanoparticles using Platycodon grandiflorum extract and its antipathogenic activity under optimal conditions Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-11-20 Periasamy Anbu; Subash CB Gopinath; S Jayanthi
Gold nanoparticles have many applications in the biomedical field, mainly for drug delivery, cancer therapy, and detection of pathogenic microorganisms. In this study, gold nanoparticles synthesized using Platycodon grandiflorum (Balloon flower plant) extracts were evaluated for their antibacterial potential. Gold nanoparticles were synthesized at 20–50°C using different volumes of the leaf extract
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Incorporation of zinc oxide nanoparticles in cotton textiles for ultraviolet light protection and antibacterial activities Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-11-04 Abebe Belay; Melaku Mekuria; Getachew Adam
The textile materials functionalized with nanostructures have proven to be useful for many applications, such as antimicrobial, ultraviolet (UV) light protection, and self-cleaning substrates. The objective of this research is to synthesize and characterize zinc oxide (ZnO) nanoparticles (NPs) for the applications of UV absorbers and antibacterial activities. ZnO NPs were synthesized at different temperatures
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Anionic effect on nanostructure and morphology of bio-schwertmannite dynamically produced within cellular reproduction Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-10-28 Huixin Xiong; Xiancai Lu; Rucheng Wang
Schwertmannite has been considered as the host mineral and potentially excellent adsorbent of contaminates from waters, and it has various morphologies of spheroid with pincushions, whiskers, hedge-hogs, and needles. In this work, using the (high-resolution transmission and field-emission scanning) electron microscopes, we studied nanostructure, morphological evolution, and difference in chemical composition
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Prediction of the structural and electronic properties of MoxTi1−xS2 monolayers via first principle simulations Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-10-21 Ankit Kumar Verma; Federico Raffone; Giancarlo Cicero
Two-dimensional transition metal dichalcogenides have gained great attention because of their peculiar physical properties that make them interesting for a wide range of applications. Lately, alloying between different transition metal dichalcogenides has been proposed as an approach to control two-dimensional phase stability and to obtain compounds with tailored characteristics. In this theoretical
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Energy efficiency of a flat-plate solar collector using thermally treated graphene-based nanofluids: Experimental study Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-10-14 Omer A Alawi; Haslinda Mohamed Kamar; Hussein A Mohammed; AR Mallah; Omar A Hussein
A covalent functionalization approach was utilized for the preparation of highly dispersed pentaethylene glycol-thermally treated graphene-water as the absorbing material inside a flat-plate solar collector. Four mass fractions of nanofluids were prepared (0.025, 0.05, 0.075, and 0.1 wt% pentaethylene glycol-thermally treated graphene-water). Graphene nanoparticles were characterized by energy dispersive
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Quantum dot-modified titanium dioxide nanoparticles as an energy-band tunable electron-transporting layer for open air-fabricated planar perovskite solar cells Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-10-12 Kanyanee Sanglee; Surawut Chuangchote; Taweewat Krajangsang; Jaran Sritharathikhun; Kobsak Sriprapha; Takashi Sagawa
Perovskite solar cells have been attracted as new representatives for the third-generation photovoltaic devices. Simple strategies for high efficiency with the long-term stability of solar cells are the challenges for commercial solar cell technology. Another challenge of the development toward industrial scale in perovskite solar cells is the production under the ambient and high humidity. In this
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Novel nanocomposite membranes based on cross-linked eco-friendly polymers doped with sulfated titania nanotubes for direct methanol fuel cell application Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-10-12 MH Gouda; Abdelaziz H Konsowa; Hassan A Farag; Noha A Elessawy; Tamer M Tamer; Mohamed S Mohy Eldin
Developing low cost and highly active fuel cell is one of the high-priority research directions for fuel cell commercialization, whereas durable electrodes and electrolyte membranes are keys for its optimization. Herein, a novel nanocomposite electrolyte membranes for direct methanol fuel cell were prepared from eco-friendly polymer blend composed of poly(vinyl alcohol) (PVA) and iota carrageenan (IC)
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Formulation design and pharmacokinetic evaluation of docosahexaenoic acid containing self-nanoemulsifying drug delivery system for oral administration Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-09-30 Nabil A Alhakamy; Hibah M Aldawsari; Khaled M Hosny; Javed Ahmad; Sohail Akhter; Ahmed K Kammoun; Adel F Alghaith; Hani Z Asfour; Mohammed W Al-Rabia; Shadab Md
Docosahexaenoic acid is a omega-3-fatty acid which together with other long-chain omega-3-fatty acid known to have protective effect against various diseases including hypertension, myocardial infarction, Alzheimer disease, and cancers. Poor bioavailability owning to limited aqueous solubility limits its effective therapeutic delivery. Self-nanoemulsifying drug delivery systems are known to enhance
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Substitutional impurities in monolayer hexagonal boron nitride as single-photon emitters Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-09-24 Michele Re Fiorentin; Kiptiemoi Korir Kiprono; Francesca Risplendi
Single-photon emitters in hexagonal boron nitride have attracted great attention over the last few years due to their excellent optoelectronical properties. Despite the vast range of results reported in the literature, studies on substitutional impurities belonging to the 13th and 15th groups have not been reported yet. Here, through theoretical modeling, we provide direct evidence that hexagonal boron
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Strain gauge properties of Pd+-ion-implanted polymer Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-09-23 Francesca Di Benedetto; Ciro Esposito; Maria Lucia Protopapa; Emanuela Piscopiello; Marcello Massaro; Gennaro Cassano; Valentino Filiberto; Martino Palmisano; Leander Tapfer
Pd+ ions (90 keV) were implanted at normal incidence and at room temperature in different highly insulating (>200 GΩ) thermoplastic polymers (poly(methyl methacrylate), polypropylene, polyethylene terephthalate glycol-modified, and polycarbonate). At high fluence and optimized process parameters, the ion implantation gives rise to the formation of a nanocomposite thin surface layer constituted by Pd
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Effect of different preparation processes on tribological properties of graphene Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-08-18 Yong Liu; Yi Dong; Yangang Zhang; Siyuan Liu; Yu Bai
Two processes of physical liquid phase stripping and chemical redox reduction were used to obtain graphene sheets. Fourier transform infrared spectroscopy and Raman spectroscopy test methods were used to compare and analyze the structure and disorder of graphene. The obtained graphene was modified with oleic acid and stearic acid. The dispersion stability of graphene as a lubricating oil additive was
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Carbon-based fully printable self-powered ultraviolet perovskite photodetector: Manganese-assisted electron transfer and enhanced photocurrent Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-07-31 Shuhong Xu; Guangguang Huang; Chunlei Wang; Haibao Shao; Yiping Cui
In this work, we improved the photocurrent of self-powered ultraviolet photodetector via doping manganese in CsPbCl3 perovskite nanocrystals light harvester. The doped manganese in nanocrystals has the following three features to assist electron transfer from CsPbCl3 nanocrystals to titanium dioxide: (i) the fast exciton-to-manganese energy transfer process benefits for competing electrons with perovskite
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Wideband absorber based on conductive ink frequency selective surface with polarization insensitivity and wide-incident-angle stability Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-06-30 Guangsheng Deng; Kun Lv; Hanxiao Sun; Yuan Hong; Xiaoying Zhang; Zhiping Yin; Jun Yang
In this article, a wideband, polarization-insensitive, and wide-incident-angle stable absorber based on conductive ink frequency selective surface is presented. The presented absorber is compatible with screen printing technology. The design and absorption principle of the proposed absorber is presented, and simulation analysis is conducted. The simulation results show that in the frequency range 6
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Comparative analysis of crystallization behavior induced by different mineral fillers in polypropylene nanocomposites Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-06-04 Luciana A. Castillo; Silvia E. Barbosa
A comparative analysis of crystallization behavior induced by several mineral fillers in polypropylene nanocomposites was performed. Morphological changes and thermal properties of nanocomposites were evaluated, considering the influence of shape, crystalline morphology, and concentration of mineral particles. For this study, hydrated magnesium silicates with different particle morphologies, such as
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Dispersion of chitosan nanoparticles stable over a wide pH range by adsorption of polyglycerol monostearate Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-05-13 Hyo-Sun Kim; Song-Hee Lee; Chae-Jung Eun; Jeseung Yoo; Young-Soo Seo
We have developed stable chitosan colloids over a wide pH range without cross-linkers or gelling agents. The colloid was prepared using chitosan nanoparticle obtained from pulverization of bulk chitosan powder, followed by surface treatment using small amount of ascorbic acid (AA) and polyglycerol monostearate (PGMS) in water. Chitosan nanoparticles were well dispersed in a diluted AA solution due
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Study on modification mechanism of workability and mechanical properties for graphene oxide-reinforced cement composite Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-05-06 Yuxia Suo; Rongxin Guo; Haiting Xia; Yang Yang; Feng Yan; Qianmin Ma
Graphene oxide/cement composite was prepared using a graphene oxide aqueous solution. The workability and mechanical properties of graphene oxide/cement composite with different concentrations for graphene oxide and the ratio of water to cement were investigated. The results observed were the fluidity of cement pastes decreased noticeably with the addition of graphene oxide and increased with the increase
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Preparation, characterization, and in vitro evaluation of amphiphilic peptide P12 and P12-DOX nanomicelles as antitumor drug carriers Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-04-06 Ping Song; Wuchen Du; Wanzhen Li; Longbao Zhu; Weiwei Zhang; Xinxing Gao; Yugui Tao; Fei Ge
Polymerized polypeptide nanomicelles have attracted much attention as novel drug carriers because of their good biocompatibility and degradability. To prepare doxorubicin (DOX)-loaded nanomicelles, an amphiphilic peptide, FFHFFH-KKGRGD (P12), was synthesized by solid-phase synthesis, and the physicochemical and drug-release properties, as well as the cytotoxicity of the nanomicelles, were evaluated
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Preparation of modified paints with nano-structured additives and its potential applications Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-03-23 Ricardo Solano; David Patiño-Ruiz; Adriana Herrera
Recently, an increase in the production of intelligent nanomaterials has been reported for the application of solid surface coating. These nanomaterials provide a wide number of functionalities such as anticorrosive, antibacterial, and self-cleaning properties. Hence, titanium dioxide (TiO2) and zinc oxide (ZnO) nanoparticles were synthesized using a green chemistry approach. These nanoparticles were
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One-step nitrogen plasma process for bimetallic impregnation to obtain N-TiO2−X/Au/Ag composite Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-03-13 R Trejo-Tzab; JA Aguilar-Jiménez; P Quintana-Owen; Alejandro Ávila-Ortega; MA Alvarez-Lemus; RA Medina-Esquivel
The main motivation of this work is to deposit two different metals (gold and silver) on titanium oxide nanoparticles surface in a one-step simple and fast physical process by applying a nitrogen plasma as the main source of nitrogen atoms to obtain nanostructured N-TiO2 − X/Au/Ag materials. The obtained nanomaterials were characterized by X-ray photoelectron spectroscopy, X-ray diffraction, diffuse
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Gas-phase elemental mercury removal by nano-ceramic material Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-02-19 Tao Zhu; Weidong Jing; Xing Zhang; Wenjing Bian; Yiwei Han; Tongshen Liu; Yiming Hou; Zefu Ye
The nano-ceramic which is mesoporous silica material was applied to test the removal efficiency of gas-phase Hg0 using a fixed-bed reactor. The physical and chemical properties of nano-ceramic were investigated by various techniques such as BET surface area (BET), X-ray diffraction, fourier transform infrared spectrometer (FTIR), and scanning electron microscope (SEM); then, the sample was tested for
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Strain-induced effects on the electronic properties of 2D materials Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-02-03 Sara Postorino; Davide Grassano; Marco D’Alessandro; Andrea Pianetti; Olivia Pulci; Maurizia Palummo
Thanks to the ultrahigh flexibility of 2D materials and to their extreme sensitivity to applied strain, there is currently a strong interest in studying and understanding how their electronic properties can be modulated by applying a uniform or nonuniform strain. In this work, using density functional theory (DFT) calculations, we discuss how uniform biaxial strain affects the electronic properties
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Fabrication of silver-doped zinc oxide nanorods piezoelectric nanogenerator on cotton fabric to utilize and optimize the charging system Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2020-01-24 Sumera Rafique; Ajab Khan Kasi; Jafar Khan Kasi; Aminullah; Muzamil Bokhari; Zafar Shakoor
Textile-based piezoelectric nanogenerator generates electrical energy from human motion. Here a novel type of textile-based piezoelectric nanogenerator is reported which is fabricated using the growth of silver-doped zinc oxide on carton fabric. Along with the optical and structural characterization of silver-doped zinc oxide nanorods, the electrical characterization was also performed for silver-doped
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Zinc oxide nanoparticles from microwave-assisted solvothermal process: Photocatalytic performance and use for wood protection against xylophagous fungus Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2019-12-13 Matheus Lemos de Peres; Rafael de Avila Delucis; Sandro Campos Amico; Darci Alberto Gatto
Nano- and micro-oxides are promising materials due to several interesting characteristics such as photocatalytic and antimicrobial role. In this work, zinc oxide nanorods were obtained by microwave-assisted solvothermal process and their photocatalytic performance and action for wood protection against wood-decay fungus was studied. The morphological (scanning electron microscopy and transmission electron
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Purification of fuel ethanol engine exhaust with platinum-loaded Ce0.5Zr0.5O2 catalyst Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2019-12-09 Fei Zhao; Chunyu Wang; Xianjing Liu; Qingyue Luo; Ling Zhu
This work aimed at exploring a new kind of purification catalysts for fuel ethanol engine exhaust. Platinum loaded on Ce0.5Zr0.5O2 was prepared by impregnation method and characterized by X-ray diffraction, Brunner–Emmet–Teller measurements (BET), temperature-programmed reduction of hydrogen, scanning electron microscope, and X-ray photoelectron spectra. The three-way catalyst platinum/ceria–zirconia/fw
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Tunable formation of copper metal, oxide, chloride and hydroxyl chloride nanoparticles from aqueous copper solutions using nanoscale zerovalent iron particles Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2019-11-11 Richard Crane; Devin Sapsford
The influence of different parameters (solid–liquid ratio, initial pH, initial Cu concentration and anion type) on the cementation of aqueous copper (Cu) with nanoscale zerovalent iron (nZVI) has been studied. The work has been established to study both the influence such parameters have on the kinetics and efficacy of the cementation process but also the physicochemical composition of resultant Cu-bearing
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3-D magnetic graphene balls as sorbents for cleaning oil spills Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2019-10-14 Tao Tao; Guangyao Li; Yanli He; Xiufang Yang
A 3-D magnetic graphene ball (MGB) material was prepared using cellulose as the carbon source. Carbon-encapsulated iron nanoparticles (CEINs) were first prepared by hydrothermal carbonization of cellulose powder at 180°C. Then, the prepared CEINs were catalytically graphitized to graphene-encapsulated iron nanoparticles (GEINs) at 900°C. Finally, GEINs were treated in carbon dioxide at 700°C, during
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Comparison of heat transfer performance of ZnO-PG, α-Al2O3-PG, and γ-Al2O3-PG nanofluids in car radiator Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2019-09-16 XiaoRong Zhou; Yi Wang; Kai Zheng; Haozhong Huang
In this study, the cooling performance of nanofluids in car radiators was investigated. A car radiator, temperature measuring instrument, and other components were used to set up the experimental device, and the temperature of nanofluids passing through the radiator was measured by this device. Three kinds of nanoparticles, γ-Al2O3, α-Al2O3, and ZnO, were added to propylene glycol to prepared nanofluids
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Captive-air-bubble aerophobicity measurements of antibiofouling coatings for underwater MEMS devices Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2019-07-24 Massimo Mariello; Francesco Guido; Vincenzo Mariano Mastronardi; Francesco De Donato; Maria Salbini; Virgilio Brunetti; Antonio Qualtieri; Francesco Rizzi; Massimo De Vittorio
In this article, we report the measurement of underwater aerophobicity, through the captive-bubble method, for different polymeric coatings employed to protect microscale and nanoscale flexible electronic devices for seawater applications. Controlling the morphology and wettability of the coating, in particular with the incorporation of nanoparticles of fluorinated polymers, allows to adjust the h
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Atomistic investigation of hybrid plasmonic systems Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2019-07-24 Giulia Giannone; Fabio Della Sala; Stefania D’Agostino
By using time-dependent density functional theory, we investigate in a fully quantum mechanical framework the interactions, in an ultra-near-field regime, between a localized surface plasmon excitable in a silver tetrahedral cluster and a molecular exciton with excitation energy in the same range. We show that, for metal–molecule distances below 5 Å, the optical response of the system results characterized
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Synthesis of nano-carbon by in-liquid plasma method and its application to a support material of Pt catalyst for fuel cell Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2019-06-19 Abdulrahman Alsaeedi; Yoshiyuki Show
One of the applications of nano-carbon is a support material of platinum (Pt) catalyst for fuel cells. In this study, the nano-carbon was successfully synthesized by in-liquid plasma in ethanol. The synthesized nano-carbon was characterized by the transmission electron microscope and the Raman spectroscopy. Moreover, the nano-carbon was applied to a support material of Pt catalyst for a proton exchange
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Investigation on tensile properties of epoxy/graphene nano-platelets/carboxylated nitrile butadiene rubber ternary nanocomposites using response surface methodology Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2019-06-19 Mohammadhossein Saberian; Faramarz Ashenai Ghasemi; Ismail Ghasemi; Sajjad Daneshpayeh
In this study, the response surface methodology was used to investigate the tensile properties of epoxy/graphene nano-platelets/carboxylated nitrile butadiene rubber ternary nanocomposites. Box–Benhken method was used to design experiments for four factors consisting of graphene nano-platelets (at 0, 0.75, and 1.5 wt%), carboxylated nitrile butadiene rubber (0, 5, and 10 wt%), hardener contents (80
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Lifetime assessment of high-density polyethylene–silica nanocomposites Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2019-06-05 A Dorigato; LE Govaert; A Pegoretti
In this work, the effect of fumed silica on the long-term resistance of high-density polyethylene was investigated. Different amounts of functionalized fumed silica nanoparticles were dispersed in a high-density polyethylene matrix by melt compounding, and compression molded specimens were tested under tensile mode in the quasi-static ramp and creep conditions. In particular, tensile tests at different
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Synthesis of cadmium hydroxide nanostructure via composite-hydroxide-mediated approach Nanomater. Nanotechnol. (IF 2.0) Pub Date : 2019-06-02 J Adnan; M Arfan; T Shahid; MZ Khan; R Masab; AH Ramish; S Ahtasham; AG Wattoo; M Hashim; A Zahoor; MF Nasir
Polycrystalline cadmium hydroxide nanomaterials have successfully been synthesized by composite-hydroxide-mediated approach with growth time variation. The influence of growth time on structural, morphological, elemental, and optical properties was explored using X-ray diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy, energy dispersive X-ray spectroscopy, and ultraviolet–visible
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