Results 91 to 100 of about 15,200 (256)

Advances and Perspectives in Graphene‐Based Quantum Dots Enabled Neuromorphic Devices

Advanced Science, EarlyView.
Graphene‐based QDs are zero‐dimensional carbon nanomaterials with pronounced quantum confinement and tunable electronic structures. Herein, we summarize their synthesis strategies and functionalization methods, and highlight their functional roles and operating mechanisms in devices, as well as recent advances in neuromorphic electronics. We anticipate
Yulin Zhen, Wei Zeng, Zherui Zhao, JiYu Zhao, Ziyan Huang, Zhuo Chen, Kui Zhou, Guanglong Ding, Su‐Ting Han, Ye Zhou   +9 more
wiley   +1 more source

Strain-Engineered Thermal Transport at One- to Two-Dimensional Junctions in 3D Nanostructures

C
In the present study, molecular dynamics simulations with three interatomic potentials (Polymer Consistent Force Field, Adaptive Intermolecular Reactive Empirical Bond Order, and Tersoff) are employed to investigate strain-dependent interfacial thermal ...
Moath Al Hayek, Aayush Patel, Joshua Ellison, Jungkyu Park   +3 more
doaj   +1 more source

Influence of Defects in Boron Nitride Nanotubes in the Adsorption of Molecules. Insights from B3LYP-D2* Periodic Simulations

Crystals, 2016
The adsorption of H2O, NH3 and HCOOH as polar molecules and C6H6 and CH4 as non-polar ones on a series of zig-zag (6,0) single-walled boron nitride nanotubes (BNNTs) both being defect-free (P_BNNT) and containing defects at the nanotube walls has been ...
Oriol Matarín, Albert Rimola
doaj   +1 more source

Oriented Graphene Nanoribbons Embedded in Hexagonal Boron Nitride Trenches

, 2017
Graphene nanoribbons (GNRs) are ultra-narrow strips of graphene that have the potential to be used in high-performance graphene-based semiconductor electronics. However, controlled growth of GNRs on dielectric substrates remains a challenge.
Chen, Lingxiu, Cong, Chunxiao, Deng, Lianwen, He, Li, Jiang, Mianheng, Li, Lei, Li, Tianxin, Tang, Shujie, Wang, Haomin, Wang, Hui Shan, Wu, Tianru, Xia, Hui, Xie, Hong, Xie, Xiaoming, Yu, Ting, Zhang, Daoli   +15 more
core   +1 more source

A Wood Plasticine With Controlled Phase‐Change Behavior and Malleability for Energy‐Closed‐Loop and Conformally Adaptive Thermal Management

Advanced Science, EarlyView.
A photothermal wood plasticine exhibiting controlled phase‐change behavior and malleable property is developed. The developed wood plasticine can provide all‐day, on‐demand, and low‐loss solar heating for geometrically diverse objects, including thermoelectric generator, human body, and battery, through its controlled crystallization‐melting ...
Jiazuo Zhou, Yifan Liu, Lei Qiao, Yuehe Gu, Taikun Yao, Wenbo Zhang, Fangmiao Wang, Yudong Li, Xinyao Ji, Lingyi Kong, Haiyue Yang, Yao Xiao, Chengyu Wang   +12 more
wiley   +1 more source

Evaluating the Effectiveness of Shielding Material, Vehicle Shape and Astronaut Position for Deep Space Travel [PDF]

, 2020
Background: As future crewed, deep space missions are being planned, it is important to assess how spacecraft design can be used to minimize radiation exposure.
Bilbao y Leon, Sama, Bond, Daniel, Goddard, Braden, Singleterry, Robert   +3 more
core   +1 more source

From Materials to Systems: Challenges and Solutions for Fast‐Charge/Discharge Na‐Ion Batteries

Advanced Energy Materials, EarlyView.
This review systematically analyzes the key characteristics limiting the fast‐charge/discharge capability of Na‐ion batteries (SIBs) from a multi‐scale perspective encompassing electrode materials, the electrode‐electrolyte interface, and the system. Furthermore, it presents practical solution strategies for the fundamental issues arising at each scale,
Bonyoung Ku, Sangbin Park, Sunha Hwang, Sunghyun Lim, Won‐Sub Yoon, Jongsoon Kim   +5 more
wiley   +1 more source

Nanotube Piezoelectricity

, 2003
We combine ab initio, tight-binding methods and analytical theory to study piezoelectric effect of boron nitride nanotubes. We find that piezoelectricity of a heteropolar nanotube depends on its chirality and diameter and can be understood starting from ...
E. J. Mele, E.J. Mele, F. Bernardini, J. Widany, J.P. Lu, N. Troullier, Na Sai, R. Tenne, R.D. King-Smith, S.M. Nakhmanson, V.V. Kochervinskiĭ, X. Gonze   +11 more
core   +1 more source

Deciphering Intricacies in Directional CO2 Conversion From Electrolysis to CO2 Batteries

Advanced Energy Materials, EarlyView.
This review will delve into the inherent connections and distinctions of CO2‐directed conversion in ECO2RR and CO2 batteries, in terms of product types, catalyst selection, catalytic mechanisms, and electrochemical performances, while proposing a benchmarking framework for the evaluation of CO2 batteries and innovative CO2 battery configurations for ...
Changfan Xu, Huaping Zhao, Lizhuang Chen, Weidong Shi, Guosheng Shao, Yong Lei   +5 more
wiley   +1 more source

Adsorption Properties of Oxygen on H-Capped (5, 5) Boron Nitride Nanotube (BNNT)- A Density Functional Theory

E-Journal of Chemistry, 2011
The density functional theory (DFT) has been used to simultaneously investigate physic/chemi-sorption properties of oxygen on the (5, 5) boron nitride nanotube (BNNT). Geometry optimizations were carried out at B3LYP/6-31G* level of theory using gaussian
Mohammad T. Baei, F. Kaveh, P. Torabi, S. Zahra Sayyad- Alangi   +3 more
doaj   +1 more source