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Nano-twin induced exceptionally superior cryogenic mechanical properties of a Ni-based GH3536 (Hastelloy X) superalloy Mater. Today Nano Pub Date : 2021-01-16 Qingqing Ding; Hongbin Bei; Xiao Wei; Yanfei Gao; Ze Zhang
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Photoelectrochemical self-powered photodetector based on 2D Liquid-Exfoliated Bismuth nanosheets: With novel structures for portability and flexibility Mater. Today Nano Pub Date : 2021-01-12 Bo Wang; Yang Zhou; Zongyu Huang; Hui Qiao; Chenguang Duan; Xiaohui Ren; Ziyu Wang; Jianxin Zhong; Xiang Qi
Bismuth as an element of group VA (P, As, Sb, Bi), which is considered as beyond graphene materials, has attracted much attention due to its stable topological insulator properties. Herein, photoelectrochemical (PEC)-type photodetector based on two-dimensional bismuth nanosheets was designed and fabricated. By using solid-electrolyte to replace the traditional electrolyte, we have achieved a novel
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Transfer of an ultrathin single-crystal silicon film from a silicon-on-insulator to a polymer Mater. Today Nano Pub Date : 2020-12-17 L.G. Michaud; E. Azrak; C. Castan; F. Fournel; F. Rieutord; S. Tardif; P. Montméat
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Boron nitride nanocomposites for microwave absorption: A review Mater. Today Nano Pub Date : 2020-12-15 F. Wang; C. Bai; L. Chen; Y. Yu
In the past decades, great progress in electromagnetic microwave absorption (MA) materials in both civil and military fields have been made due to the high demand for the elimination of electromagnetic interference. Recently, hexagonal boron nitride (h-BN) based materials have been regarded as one of the promising MA composite materials because of their remarkable dielectric property, excellent thermal
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Recent advances of electrically conductive metal-organic frameworks in electrochemical applications Mater. Today Nano Pub Date : 2020-11-18 Chaowei Li; Xiaojuan Sun; Yagang Yao; Guo Hong
With the drastic increase of global energy and sensing demand in this century, the development of sustainable energy and highly sensitive sensor has become progressively paramount. Electrochemical energy storage devices with the ability to store sustainable energy, electrochemical-sensing and electrocatalysis technologies such as O2 reduction reaction (ORR), O2 evolution reaction (OER), H2 evolution
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Strategies for engineering the MXenes toward highly active catalysts Mater. Today Nano Pub Date : 2020-11-20 Q. Zhu; Y. Cui; Y. Zhang; Z. Cao; Y. Shi; J. Gu; Z. Du; B. Li; S. Yang
Two-dimensional (2D) transition metal carbides, nitrides and carbonitrides (MXenes) have been extensively studied in catalysis due to their high specific surface area, favorable electrochemical properties, excellent corrosion resistance, high mechanical strength, superior electrical and thermal conductivity. Additionally, the unique 2D features with adjustable surface properties of MXene enable its
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Unraveling the effects of anions in NixAy@CC (A=O, S, P) on Li-sulfur batteries Mater. Today Nano Pub Date : 2020-12-07 K. Xiao; Z. Liu; Z. Chen; X. Cao; Z. Liu; Y. Huang; H. Deng; X. Chen; Z.X. Shen; J. Liu
Nickel-based compounds have been regarded as potential sulfur carriers in Li-sulfur (Li-S) battery. However, the relationship between the anions in those compounds, which are crucial to the intrinsic properties, and their electrochemical performances remains unclear. Herein, nickel compounds with the same morphologies, i.e., Ni5P4, NiO, and NiS, grown on carbon cloths (noted as NixAy@CC (A = O, S,
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Defects, photophysics and passivation in Pb-based colloidal quantum dot photovoltaics Mater. Today Nano Pub Date : 2020-10-29 J. Gan; M. Yu; R.L.Z. Hoye; K.P. Musselman; Y. Li; X. Liu; Y. Zheng; X. Zu; S. Li; J.L. MacManus-Driscoll; L. Qiao
Colloidal quantum dots (CQDs) are a class of third-generation materials for photovoltaics (PVs) that are promising for enabling high efficiency devices with potential for exceeding the Shockley-Queisser limit. This is due to their potential to decrease thermal dissipation via multiple exciton generation during charge conversion and collection, which could potentially lead to an increase in the photovoltage
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Influence of shell materials on the optical performance of VO2 core–shell nanoparticle–based thermochromic films Mater. Today Nano Pub Date : 2020-10-27 Y.M. Xie; X.P. Zhao; S.A. Mofid; J.Y. Tan; B.P. Jelle; R.G. Yang
VO2 nanoparticle–based thermochromic films have shown great promise for applications in smart windows because of their relatively high luminous transmittance and solar modulation ability. To improve the lifetime of VO2 nanoparticles, environmentally stable oxide materials such as TiO2, SiO2, and ZnO have been utilized as protecting shells. However, the shell material changes the optical performance
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Armed lithium metal anodes with functional skeletons Mater. Today Nano Pub Date : 2020-11-05 C. Jin; O. Sheng; M. Chen; Z. Ju; G. Lu; T. Liu; J. Nai; Y. Liu; Y. Wang; X. Tao
Lithium (Li) metal, owing to its high theoretical capacity of 3860 mAh/g and the lowest reduction potential of −3.04 V, has promoted widespread interests in the development of Li metal batteries (LMBs). LMBs coupling Li metal anodes with industrially mature cathodes (LiNixCoyMn1-x-yO2) and novel cathodes (sulfur, O2) can in principle deliver higher energy density than commercial Li-ion batteries. However
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High quantum efficiency and stability of biohybrid quantum dots nanojunctions in bacteriophage-constructed perovskite Mater. Today Nano Pub Date : 2020-09-28 Jong-Min Lee; Jin Woo Choi; Il Jeon; Ye Zhu; Tao Yang; Hoje Chun; Jongmoon Shin; Juyun Park; Joohee Bang; Kyounga Lim; Won-Geun Kim; Yeji Kim; Hyuk Jeong; Eun Jung Choi; Vasanthan Devaraj; Jeong Seok Nam; Hyungju Ahn; Yong-Cheol Kang; Chuanbin Mao
Forming heterojunctions is a traditional approach for improving the performance of semiconducting nanomaterials. However, using a biological nanostructure to achieve such a goal has rarely been studied. Here we showcase a novel biohybrid junction comprising a functional nanobiomaterial (bacteriophage) and a semiconductor nanomaterial (perovskite quantum dots). We found that M13 bacteriophage, genetically
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Proton-conductive membranes with percolated transport paths for aqueous redox flow batteries Mater. Today Nano Pub Date : 2020-09-28 A. Mukhopadhyay; Y. Yang; Z. Cheng; P. Luan; A. Natan; H. Zhu
Tremendous efforts have been dedicated to developing sustainable and affordable ion exchange membranes for flow batteries. Challenges remain in terms of high cost, low coulombic efficiency caused by the crossover of active species, and stability. Inspired by the highly hydrophilic and interconnected 3D networks of nanofibers of bacterial cellulose (BC), an unprecedented ion exchange membrane possessing
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Approaching the theoretical capacity limit of Na2FeSiO4-based cathodes with fully reversible two-electron redox reaction for sodium-ion battery Mater. Today Nano Pub Date : 2020-09-15 W.H. Guan; Q.Y. Lin; Z.Y. Lan; W.L. Pan; X. Wei; W.P. Sun; R.T. Zheng; Y.H. Lu; J. Shu; H.G. Pan; M. Yan; Y.Z. Jiang
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Controllable synthesis of Gd-doped SmB6 nanobelt arrays for modulating their surface transport behaviors Mater. Today Nano Pub Date : 2020-09-10 H. Gan; B. Ye; L. Zhou; T. Zhang; Y. Tian; S. Deng; H. He; F. Liu
Samarium hexaboride (SmB6) nanobelts are believed as better platforms to study the interaction between strongly correlated electron states and topological states than their bulk topological Kondo insulator (TKI) counterparts because they have more abundant surface states. To date, there are few reports focused on the modulation of surface transport behaviors of SmB6 nanobelts because of the absence
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Recent progress in electrochemical reduction of CO2 by oxide-derived copper catalysts Mater. Today Nano Pub Date : 2020-08-13 S. Wang, T. Kou, S.E. Baker, E.B. Duoss, Y. Li
Oxide-derived copper (Cu) catalysts often show significantly improved performance for carbon dioxide (CO2) reduction reactions compared with metallic Cu. In this article, we summarize the recently reported methods for preparing oxide-derived Cu catalysts and discuss the current understanding of the reaction mechanisms, including the role of mixed oxidation states of copper, subsurface oxygen, local
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Recent advances in the application of phosphates and borates as electrocatalysts for water oxidation Mater. Today Nano Pub Date : 2020-08-02 Y. Meng, G. Ni, X. Jin, J. Peng, Q.Y. Yan
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Recent progresses of 3D printing technologies for structural energy storage devices Mater. Today Nano Pub Date : 2020-07-28 L. Zeng, P. Li, Y. Yao, B. Niu, S. Niu, B. Xu
Although existing energy storage devices (ESDs) that are prepared by traditional technologies can meet the demands of many application scenarios in our life, there are still many special application scenarios that cannot be implemented, such as flexible devices, wearable devices, and structural devices. Three-dimensional (3D) printing, an advanced technology that can realize rapid production of structural
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Synthesis of homogeneous carbon quantum dots by ultrafast dual-beam pulsed laser ablation for bioimaging Mater. Today Nano Pub Date : 2020-07-07 L. Cui, X. Ren, J. Wang, M. Sun
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Metal-support interaction for heterogeneous catalysis: from nanoparticles to single atoms Mater. Today Nano Pub Date : 2020-07-07 Y. Lou, J. Xu, Y. Zhang, C. Pan, Y. Dong, Y. Zhu
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Probing an intermediate state by X-ray absorption near-edge structure in nickel-doped 2LiBH4–MgH2 reactive hydride composite at moderate temperature Mater. Today Nano Pub Date : 2020-07-06 X. Huang, X. Xiao, Y. He, Z. Yao, X. Ye, H. Kou, C. Chen, T. Huang, X. Fan, L. Chen
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Hybrid heterostructures and devices based on two-dimensional layers and wide bandgap materials Mater. Today Nano Pub Date : 2020-07-03 Z. Wu, W. Jie, Z. Yang, J. Hao
With the further development of Moore’s law, the process nodes of integrated circuit have reached 7 nm or even smaller size. In addition to the significant increase in cost, when the scale continues to shrink, there will inevitably be short channel effect. For example, because of tunneling and reduction in the separation of drain and barrier, the channel will be difficult to be completely turned off
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Ultrahigh-rate sodium-ion battery anode enabled by vertically aligned (1T-2H MoS2)/CoS2 heteronanosheets Mater. Today Nano Pub Date : 2020-06-12 T. Zhang, Y. Feng, J. Zhang, C. He, D.M. Itkis, J. Song
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Exceptionally thermal-stable Al2O3/TiO2 nanofibers by depressing surface-initiated grain growth as new supports for anti-sintering Pt nanoparticles Mater. Today Nano Pub Date : 2020-06-09 W. Fu, Z. Li, W. Xu, Y. Wang, Y. Sun, Y. Dai
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Deep learning analysis on microscopic imaging in materials science Mater. Today Nano Pub Date : 2020-06-04 M. Ge, F. Su, Z. Zhao, D. Su
Microscopic imaging providing the real-space information of matter, plays an important role for understanding the correlations between structure and properties in the field of materials science. For the microscopic images of different kinds of objects at different scales, it is a time-consuming task to retrieve useful information on morphology, size, distribution, intensity etc. Alternatively, deep
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Using the room temperature creep to strengthen nanotwinned Ni: the scaling behavior between the twin thickness and the grain size Mater. Today Nano Pub Date : 2020-05-20 J. Li, J.Y. Zhang, G. Liu, J. Sun
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Low-strain titanium-based oxide electrodes for electrochemical energy storage devices: design, modification, and application Mater. Today Nano Pub Date : 2020-05-19 C.-A. Zhou, Z.J. Yao, X.H. Xia, X.L. Wang, C.D. Gu, J.P. Tu
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Tunable, room-temperature multiferroic Fe-BaTiO3 vertically aligned nanocomposites with perpendicular magnetic anisotropy Mater. Today Nano Pub Date : 2020-05-19 B. Zhang, J. Huang, B.X. Rutherford, P. Lu, S. Misra, M. Kalaswad, Z. He, X. Gao, X. Sun, L. Li, H. Wang
Room-temperature ferromagnetic materials with perpendicular magnetic anisotropy are widely sought after for spintronics, magnetic data storage devices, and stochastic computing. To address this need, a new Fe-BaTiO3 vertically aligned nanocomposite (VAN) has been fabricated—combining both the strong room-temperature ferromagnetic properties of Fe nanopillars and the strong room-temperature ferroelectric
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Magnetic nanoparticles in regenerative medicine: what of their fate and impact in stem cells? Mater. Today Nano Pub Date : 2020-05-07 A. Van de Walle, J.E. Perez, A. Abou-Hassan, M. Hémadi, N. Luciani, C. Wilhelm
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Niobium-based oxide anodes toward fast and safe energy storage: a review Mater. Today Nano Pub Date : 2020-04-29 H. Ding, Z. Song, H. Zhang, H. Zhang, X. Li
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Fullerene micro/nanostructures: controlled synthesis and energy applications Mater. Today Nano Pub Date : 2020-04-28 T. Xu, W. Shen, W. Huang, X. Lu
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Microwave chemistry, recent advancements, and eco-friendly microwave-assisted synthesis of nanoarchitectures and their applications: a review Mater. Today Nano Pub Date : 2020-04-09 Anuj Kumar, Yun Kuang, Zheng Liang, Xiaoming Sun
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In situ forming LiF nanodecorated electrolyte/electrode interfaces for stable all-solid-state batteries Mater. Today Nano Pub Date : 2020-04-01 X. Shi, Y. Pang, B. Wang, H. Sun, X. Wang, Y. Li, J. Yang, H.-W. Li, S. Zheng
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Recent advances of metal nanoclusters for aerobic oxidation Mater. Today Nano Pub Date : 2020-03-31 L. Qian, G. Zheng
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Photocathode engineering for efficient photoelectrochemical CO2 reduction Mater. Today Nano Pub Date : 2020-03-29 P. Ding, T. Jiang, N. Han, Y. Li
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Ultrafast laser-induced black silicon, from micro-nanostructuring, infrared absorption mechanism, to high performance detecting devices Mater. Today Nano Pub Date : 2020-03-27 J.-H. Zhao, X.-B. Li, Q.-D. Chen, Z.-G. Chen, H.-B. Sun
As the foremost semiconductor, silicon (Si) is the ‘lifeblood’ of the modern microelectronics and optoelectronics industries. The development of Si infrared (IR) photodetectors is of great significance for Si-based optoelectronic integration and communication. The use of black Si, which can extend the absorption edge of the Si bandgap to IR wavelengths below the bandgap, is a promising strategy to
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Can we find solution to eliminate Li penetration through solid garnet electrolytes? Mater. Today Nano Pub Date : 2020-03-03 W.L. Huang, N. Zhao, Z.J. Bi, C. Shi, X.X. Guo, L.-Z. Fan, C.-W. Nan
High-dense garnet electrolytes have sufficient mechanical strength and ion transference number of unity, through which blocking of Li penetration is expected. Nevertheless, the situation of Li growth through the solid garnet electrolyte is even worse than that in the case of liquid electrolyte. Many investigations have been carried out in terms of mechanism analysis and solution exploration. In this
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Gas transport through two-dimensional nanoslits Mater. Today Nano Pub Date : 2020-02-11 W. Ying, A. Khan, X. Peng
Two-dimensional (2D) material nanosheets have been widely investigated for gas separation due to their atomic thick layered structures. For 2D nanosheet, there mainly are two transport paths for the gas: (1) the pores in the nanosheet plane; and (2) the nanoslits constructed by layer-stacked nanosheets. The in-plane pores separate the gases by size-exclusion or functional groups on the pores. The 2D
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Multi-electron reactions of vanadium-based nanomaterials for high-capacity lithium batteries: challenges and opportunities Mater. Today Nano Pub Date : 2020-01-18 X. Xu, F. Xiong, J. Meng, Q. An, L. Mai
Achieving higher energy density is a very important target for the next-generation lithium-ion batteries (LIBs), which requires the innovation of electrode materials. Using multi-electron reaction electrodes for higher capacity is an effective approach to achieve the goal for higher energy density. Vanadium-based materials are an important group that can realize multi-electron reactions because of
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Polyanion-type electrode materials for advanced sodium-ion batteries Mater. Today Nano Pub Date : 2020-01-17 L.N. Zhao, T. Zhang, H.L. Zhao, Y.L. Hou
Electrical energy storage (EES) exploiting secondary battery technologies is ideal for large-scale energy storage needs due to the rapid growth in proliferation of renewable energy sources and the emerging markets of grid-scale battery applications. Sodium-ion batteries (SIBs), a more sustainable EES option alternative to lithium-ion batteries (LIBs), have attracted intensive interests over the past
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Enhanced hydrogen storage/sensing of metal hydrides by nanomodification Mater. Today Nano Pub Date : 2019-12-07 Y. Luo, Q. Wang, J. Li, F. Xu, L. Sun, Y. Zou, H. Chu, B. Li, K. Zhang
Metals/metal hydrides have attracted much attention for hydrogen storage and sensing owing to their excellent ability to store hydrogen. The nanomodification strategy has a remarkable effect on the improvement of hydrogen storage and sensing properties. Herein, the nanomodification strategy mainly includes nanoconfinement for metal hydrides, nanosized metals/metal hydrides, and nanoadditives for metal
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Nanomaterials for implantable batteries to power cardiac devices Mater. Today Nano Pub Date : 2019-11-28 T. Zhang, Z. Li, W. Hou, Y. Yang
Batteries have been used in various biomedical devices, such as neurostimulators, cardiac pacemakers, and implantable cardiac defibrillators. Compared to applications in electronics and electric vehicles, those implantable batteries need to be extremely safe and stable as they are placed inside human bodies to play a vital role in curing human diseases. They also need to have high energy density to
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Interconversion between nanoribbons and nanospheres mediated by detachable ‘invisibility suit’ Mater. Today Nano Pub Date : 2019-11-26 Y.-H. Luo, X.-T. He, C. Wang, J.-Y. Wang, Z.-Y. Zheng, J. Zhao, L.-H. Guo, L.-H. Zhai, B.-W. Sun
Taming the ultrathin nanomaterials with the desired stability and functionality is one of the challenges of chemistry and materials science. Developing a detachable smart ’invisibility suit’ may represent an attractive strategy for coping with this dilemma. Here, a protection-deprotection strategy for ultrathin nanomaterials of hydrogen-bonded organic frameworks (HOFs), by putting on and taking off
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Flexible and transparent Au nanoparticle/graphene/Au nanoparticle ‘sandwich’ substrate for surface-enhanced Raman scattering Mater. Today Nano Pub Date : 2019-11-09 Jun Dong, Xing Zhao, En Cao, Qingyan Han, Liang Liu, Wenwen Zhang, Wei Gao, Jian Shi, Zhuanping Zheng, Dongdong Han, Mengtao Sun
In this work, we designed and fabricated a simple and convenient Au nanoparticle/graphene/Au nanoparticle (AuNP/G/AuNP) flexible ‘sandwich’ substrate on the surface of the polyethylene (PE) film through self-assembly. The coupling effect between the AuNPs enables this substrate to strongly enhance the local electromagnetic field, and graphene can also provide additional chemical improvement. Experimental
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Nanohybrid thin-film composite carbon molecular sieve membranes Mater. Today Nano Pub Date : 2019-11-06 W. Ogieglo, T. Puspasari, M.K. Hota, N. Wehbe, H.N. Alshareef, I. Pinnau
Industrial separations belong to some of the most energy-intensive technological processes because of the reliance on heat-consuming unit operations involving a phase change, such as distillation. Membrane technology promises large cuts to those energy needs; however, its progression is hindered as currently available membranes lack separation performance as well as chemical and mechanical stability
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Empowering hydrogen storage performance of MgH2 by nanoengineering and nanocatalysis Mater. Today Nano Pub Date : 2019-10-28 X.L. Zhang, Y.F. Liu, X. Zhang, J.J. Hu, M.X. Gao, H.G. Pan
With advantages of high hydrogen capacity, excellent reversibility, and low cost, magnesium hydride (MgH2) has been considered as one of the most promising candidates for solid-state hydrogen storage. However, the practical use of MgH2 as a hydrogen storage medium still needs to overcome great barriers both in the thermodynamics and kinetics. In this respect, nanotechnology plays an important role
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Cellular nano-transistor: An electronic-interface between nanoscale semiconductors and biological cells Mater. Today Nano Pub Date : 2019-10-22 S. Kim, B. Keisham, V. Berry
A biocellular transistor transduces the biochemical activity of an interfaced cell into an electrical signal. Interfacial coupling of microcellular species with semiconducting nanomaterials in a cellular nano-transistor enables the confinement of transduced charge-carriers to one or two dimensions and at the bio/nano-interface, resulting in a highly sensitive change in carrier density. In contrast
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Semiconductor nanowires: to grow or not to grow? Mater. Today Nano Pub Date : 2019-10-16 P.C. McIntyre, A. Fontcuberta i Morral
Semiconductor nanowires have demonstrated exciting properties for nanophotonics, sensors, energy technologies, and end-of-roadmap and beyond-roadmap electronic devices. Fabrication schemes for nanowires are varied, but they fall into three general categories: (1) top-down lithographic patterning and etching of bulk crystals and epitaxial films; (2) bottom-up, locally catalyzed crystal growth of nanowires;
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Emerging synaptic devices: from two-terminal memristors to multiterminal neuromorphic transistors Mater. Today Nano Pub Date : 2019-09-30 S. Jiang, S. Nie, Y. He, R. Liu, C. Chen, Q. Wan
The conventional von-Neumann computing architecture is facing challenges including the heat wall, the memory wall, and the end of Moore’s law, which become even more severe in today’s era of big-data. Therefore, researchers are committed to exploit a new computing paradigm to address these issues and satisfy our ever-growing appetite for data and information. Inspired by our brain, new-concept synaptic
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Recent advances in nanostructured electrode-electrolyte design for safe and next-generation electrochemical energy storage Mater. Today Nano Pub Date : 2019-09-28 X.-X. Zeng, Y.-T. Xu, Y.-X. Yin, X.-W. Wu, J. Yue, Y.-G. Guo
The pursuit for high-efficiency energy utilization stimulates for rapid development of electrochemical storage techniques. While the energy density demand is elevated, the safety consideration has stepped onto a new height. Hence, these two aspects gain much attention in the evolution of electrochemical energy storage. Correspondingly, the electrodes and electrolytes need special design to achieve
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Controlling dispersion and accessibility of Pd nanoparticles via 2D-to-3D zeolite transformation for shape-selective catalysis: [email protected] case Mater. Today Nano Pub Date : 2019-09-10 Y. Zhang, K. Fulajtárová, M. Kubů, M. Mazur, M. Shamzhy, M. Hronec, J. Čejka
Metal nanoparticles (NPs) can be encapsulated into zeolites to prepare active catalysts. However, when using conventional encapsulation methods, the location of metal NPs cannot be controlled, which limits the dispersion of metal precursors. Here, we report a new strategy for the encapsulation of Pd NPs into an MWW zeolite during its 2D-to-3D transformation by introducing diethylenediamine palladium
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Brightening upconverting nanocrystals using laser-induced surface reconstruction Mater. Today Nano Pub Date : 2019-09-09 J. Lei, X. Guo, Q. Min, L. Yang, Q. Yang, C. Wang, H. Luo, X. Yu, J. Qiu, Q. Zhan, X. Xu
Upconversion nanoparticles exhibit ordinary emission brightness for the existence of non-radiative transition induced by the surface defects, which fundamentally limits their promising applications. Here, a reconstruction process to rule out the amorphous layer and defects related to the surface of the as-synthesized particles is achieved with the use of 980-nm continuous laser irradiation. More importantly
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NiCoP nanopeapods embedded in carbon nanotube arrays as bifunctional catalysts for efficient overall water splitting Mater. Today Nano Pub Date : 2019-08-30 J.L. Bian, Z.Y. Song, Y.Z. Zhang, C.W. Cheng
The development of earth-abundant and durable electrocatalyts with high activity is important to realize efficient overall water splitting. Herein, we report the design and fabrication of a bifunctional catalyst of NiCoP nanopeapods embedded in carbon nanotube arrays (NiCoP nanopeapods/CNTs) for overall water splitting. The unique nanopeapods structure and synergistic effect between the bimetallic
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Dehybridization effect in improved dehydrogenation of LiAlH4 by doping with two-dimensional Ti3C2 Mater. Today Nano Pub Date : 2019-08-30 Y. Xia, H. Zhang, Y. Sun, L. Sun, F. Xu, S. Sun, G. Zhang, P. Huang, Y. Du, J. Wang, S.P. Verevkin, A.A. Pimerzin
Lowering the thermodynamic and kinetic barriers for dehydrogenation of high-capacity hydrides has been a key challenge for the realization of practical hydrogen energy. One of the most efficient strategies is doping hydrides with catalysis while nanosizing the composites. Although numerous catalytic additives have been investigated, more efficient dopants are still under exploration, and the underling
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Plasmonic Cu nanostructures in ZnO as hyperbolic metamaterial thin films Mater. Today Nano Pub Date : 2019-08-29 J. Huang, X. Wang, X.L. Phuah, P. Lu, Z. Qi, H. Wang
Plasmonic metals, such as Cu and Al, have been considered as potential low-loss alternatives for Au and Ag for photonic structures and devices. However, challenges remain in the fabrication and applications of Cu nanostructures, because of its easy oxidation issues. In this work, a new metamaterial structure of plasmonic Cu nanostructures embedded in a dielectric ZnO matrix has been designed and successfully
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Recent progress of self-powered wearable monitoring systems integrated with microsupercapacitors Mater. Today Nano Pub Date : 2019-08-28 Y. Lu, Z. Lou, K. Jiang, D. Chen, G. Shen
Self-powered wearable monitoring systems are considered to be one of the key technologies in the next generation of smart health monitoring system. To realize personal portable devices with mobile electronics applications, wearable monitoring systems that can work sustainably and continuously without an external power supply are highly desired. In this article, the recent progress and advantages of
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Two-dimensional non-layered materials Mater. Today Nano Pub Date : 2019-08-27 N. Zhou, R. Yang, T. Zhai
Owing to atomically thin structure and high-activity surface, two-dimensional (2D) non-layered materials exhibit many intriguing properties, rendering them a bright application prospect in high-performance and functional devices. Recently, great progress have been achieved in the synthesis and applications of 2D non-layered materials. Therefore, in this review, the recent advances of 2D non-layered
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Liquid-involved synthesis and processing of sulfide-based solid electrolytes, electrodes, and all-solid-state batteries Mater. Today Nano Pub Date : 2019-07-30 J. Xu, L. Liu, N. Yao, F. Wu, H. Li, L. Chen
Solid-state battery has been widely accepted as the next-generation energy-storage technology because of its better safety and potentially higher energy density. Solid electrolyte plays the most critical role in its performance, among which sulfides show the highest lithium-ion conductivities. To realize the mass production and practical application of sulfide-based electrolytes and all-solid-state
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A review of naturally derived nanostructured materials for safe lithium metal batteries Mater. Today Nano Pub Date : 2019-07-24 J. Liu, H. Yuan, X.-B. Cheng, W.-J. Chen, M.-M. Titirici, J.-Q. Huang, T.-Q. Yuan, Q. Zhang
Lithium metal batteries (LMBs) are regarded as one of the most promising candidates for next-generation energy storage. However, the inherent challenges of Li metal anode, such as uncontrollable dendrite growth, unstable Li/electrolyte interfaces, and infinite volume changes, induce severe safety hazards and inferior cyclic stability, dragging the LMBs still inviable currently. Natural materials have
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Facile synthesis of the 3D interconnecting petal-like NiCoO2/C composite as high-performance supercapacitor electrode materials Mater. Today Nano Pub Date : 2019-07-15 J.H. Lin, H. Chen, M.M. Shuai, W.Z. Wu, Y. Wang, W.G. Zhang, Q.D. Ling
In the present work, a novel NiCoO2 nanoparticle/amorphous carbon composite was synthesized through an intercalation-calcination process under very mild reaction conditions (400 °C, without high vacuum). The NiCoO2/C composite possesses a unique 3D interconnecting petal-like architecture, together with appropriate compositing of NiCoO2 nanoparticles. The distinctive nanostructure endows a high specific
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A review on the crystalline silicon bottom cell for monolithic perovskite/silicon tandem solar cells Mater. Today Nano Pub Date : 2019-07-13 L.L. Yan, C. Han, B. Shi, Y. Zhao, X.D. Zhang
Perovskite/silicon tandem solar cells have reached certified efficiencies of 28% (on 1 cm2 by Oxford PV) in just about 4 years, mostly driven by the optimized design in the perovskite top cell and crystalline silicon (c-Si) bottom cell. In this review, we focus on the structural adjustment of the bottom cell based on the structural evolution of monolithic perovskite/silicon tandem solar cells to improve
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