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相关论文: Few-layer flakes of Molybdenum Disulphide produced…

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Two-dimensional (2D) molybdenum disulfide (MoS2) holds great promise in electronic and optoelectronic applications owing to its unique structure and intriguing properties. The intrinsic defects such as sulfur vacancies (SVs) of MoS2…

Ultrathin sheets of MoS2 are a newly discovered 2D semiconductor that holds great promise for nanoelectronics. Understanding the pattern of current flow will be crucial for developing devices. In this talk, we present images of current flow…

介观与纳米尺度物理 · 物理学 2017-09-13 Sagar Bhandari , Ke Wang , Kenji Watanabe , Takashi Taniguchi , Philip Kim , Robert M. Westervelt

Piezoelectricity offers precise and robust conversion between electricity and mechanical force. Here we report the first experimental evidence of piezoelectricity in a single layer of molybdenum disulfide (MoS2) crystal as a result of…

材料科学 · 物理学 2014-09-01 Hanyu Zhu , Yuan Wang , Jun Xiao , Ming Liu , Shaomin Xiong , Zi Jing Wong , Ziliang Ye , Xiaobo Yin , Xiang Zhang

A device has been built and tested, in which a ceramic superconducting cathode and a copper anode cause electrical discharges in low pressure gases, at temperatures between 50 and 70 K. The electrodes are connected to a capacitors array…

综合物理 · 物理学 2007-05-23 Evgeny Podkletnov , Giovanni Modanese

We developed a facile and scalable 3-step hydrothermal, electrodeposition, and annealing technique to synthesize a variety of nanowire heterostructures. The heterojunction catalysts of CP-ZnO-MoS2 and CP-ZnO-ZnS-MoS2 both saw an increase in…

材料科学 · 物理学 2025-03-10 Lee Kendall , Dawn Ford , Giovanni Zangari , Stephen McDonnell

Based on the consideration of increasing the number of initial electrons and providing an appropriate distribution of electric field strength for discharge space, a method of adopting the wire-cylindrical type electrode structure with a…

等离子体物理 · 物理学 2020-08-26 Shuai Zhao , Yong Hao , Tao Qiao , Weisheng Cui

Molybdenum disulfide (MoS2) has drawn great interest for tunable photonics and optoelectronics advancement. Its solution processing, though scalable, results in randomly networked ensembles of discrete nanosheets with compromised properties…

The electronic properties of ultrathin crystals of molybdenum disulfide consisting of N = 1, 2, ... 6 S-Mo-S monolayers have been investigated by optical spectroscopy. Through characterization by absorption, photoluminescence, and…

材料科学 · 物理学 2015-05-18 Kin Fai Mak , Changgu Lee , James Hone , Jie Shan , Tony F. Heinz

Layered transition metal dichalcogenides display a wide range of attractive physical and chemical properties and are potentially important for various device applications. Here we report the electronic transport and device properties of…

介观与纳米尺度物理 · 物理学 2014-01-21 Wenjuan Zhu , Tony Low , Yi-Hsien Lee , Han Wang , Damon B. Farmer , Jing Kong , Fengnian Xia , Phaedon Avouris

We fabricated the 1D nanoscrolled monolayer MoS2 (1L-MoS2) with superior characteristics from 1L-MoS2 film in a facile route, using a suitable organic solvent with optimum surface tension, evaporation rate and dielectric constant, which…

材料科学 · 物理学 2024-02-22 C. Abinash Bhuyan , Kishore K. Madapu , K. Prabakar , K. Ganesan , A. Pandian , Sandip Dhara

MoS2 nanoparticles are proven catalysts for processes such as hydrodesulphurization and hydrogen evolution, but unravelling their atomic-scale structure under catalytic working conditions has remained significantly challenging. Ambient…

Developing techniques for high-quality synthesis of mono and few-layered 2D materials with lowered complexity and cost continues to remain an important goal, both for accelerating fundamental research and for applications development. We…

材料科学 · 物理学 2020-10-27 Davoud Hejazi , Renda Tan , Neda Kari Rezapour , Mehrnaz Mojtabavi , Meni Wanunu , Swastik Kar

We report on a modified transfer technique for atomically thin materials integrated onto microelectromechanical systems (MEMS) for studying strain physics and creating strain-based devices. Our method tolerates the non-planar structures and…

Phosphorene, a two-dimensional (2D) monolayer of black phosphorus, has attracted considerable theoretical interest, although the experimental realization of monolayer, bilayer, and few-layer flakes has been a significant challenge. Here we…

We designed solution-processed, flexible hybrid graphene flake/2H-MoS2 quantum dot (QD) heterostructures, showing enhanced electrocatalytic activity for the hydrogen evolution reaction (HER) with respect to their native individual…

Polarization control is of fundamental importance for modern optical systems, and optical polarizers serve as critical components for enabling this functionality. Here, we experimentally demonstrate optical polarizers by integrating 2D…

Among the large family of transition metal dichalcogenides (TMDCs), recently ReS2 has stood out due to its nearly layer-independent optoelectronic and physicochemical properties. These are related to its 1T distorted octahedral structure,…

Edge structures are highly relevant to the electronic, magnetic and catalytic properties of two-dimensional (2D) transition metal dichalcogenides (TMDs) and their one dimensional (1D) counterpart, i.e., nanoribbons, which should be…

材料科学 · 物理学 2018-10-18 Wei Huang , Xiaowei Wang , Xujing Ji , Ze Zhang , Chuanhong Jin

We detect electroluminescence in single layer molybdenum disulphide (MoS2) field-effect transistors built on transparent glass substrates. By comparing absorption, photoluminescence, and electroluminescence of the same MoS2 layer, we find…

介观与纳米尺度物理 · 物理学 2017-07-26 R. S. Sundaram , M. Engel , A. Lombardo , R. Krupke , A. C. Ferrari , Ph. Avouris , M. Steiner

Two-dimensional (2D) materials have garnered significant attention in recent years due to their atomically thin structure and unique electronic and optoelectronic properties. To harness their full potential for applications in…