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Probing the Intrinsic Optical Quality of CVD Grown MoS2
Amina Zafar, Haiyan Nan, Zainab Zafar +4
The optical emission efficiency of two dimensional layered transition metal dichalcogenides (TMDs) is one of the most important parameter that affects their optoelectronic performa…
Defects as a factor limiting carrier mobility in WSe2: a spectroscopic investigation
Zhangting Wu, Zhongzhong Luo, Yuting Shen +8
The electrical performance of two dimensional transitional metal dichalcogenides (TMDs) is strongly influenced by the amount of structural defects inside. In this work, we provide…
High-Performance Monolayer WS2 Field-effect Transistors on High-k Dielectrics
Yang Cui, Run Xin, Zhihao Yu +13
The combination of high-quality Al2O3 dielectric and thiol chemistry passivation can effectively reduce the density of interface traps and Coulomb impurities of WS2, leading to a s…
Two-dimensional Quasi-Freestanding Molecular Crystals for High-Performance Organic Field-Effect Transistors
Daowei He, Yuhan Zhang, Qisheng Wu +18
Two-dimensional atomic crystals are extensively studied in recent years due to their exciting physics and device applications. However, a molecular counterpart, with scalable proce…
Strong Photoluminescence Enhancement of MoS2 through Defect Engineering and Oxygen Bonding
Haiyan Nan, Zilu Wang, Wenhui Wang +9
We report on a strong photoluminescence (PL) enhancement of monolayer MoS2 through defect engineering and oxygen bonding. Micro- PL and Raman images clearly reveal that the PL enha…
Plasma-assisted fabrication of monolayer phosphorene and its Raman characterization
Wanglin Lu, Haiyan Nan, Jinhua Hong +7
There have been continuous efforts to seek for novel functional two-dimensional semiconductors with high performance for future applications in nanoelectronics and optoelectronics.…
Hopping Transport through Defect-induced Localized States in Molybdenum Disulfide
Hao Qiu, Tao Xu, Zilu Wang +12
Molybdenum disulfide is a novel two-dimensional semiconductor with potential applications in electronic and optoelectronic devices. However, the nature of charge transport in back-…