409 citations · 1.4k across the 10 of their papers we have counts for
10 papers
Defect Engineering for Modulating the Trap States in Two-dimensional Photoconductor
Jie Jiang, Chongyi Ling, Tao Xu +10
Defect induced trap states are essential in determining the performance of semiconductor photodetectors. The de-trap time of carriers from a deep trap could be prolonged by several…
Raman spectroscopy of optical phonon and incommensurate charge density wave modes in 2H-TaSe2 exfoliated flakes
Lin Cui, Qiaoling Huang, Gaomin Li +2
2H-TaSe2 is a model transition metal dichalcogenide material that develops charge density waves (CDWs).Here we present variable-temperature Raman spectroscopy study on both incomme…
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…
High-performance graphene photodetector by interfacial gating
Xitao Guo, Wenhui Wang, Haiyan Nan +10
Graphene based photo-detecting has received great attentions and the performance of such detector is stretching to both ends of high sensitivity and ultra-fast response. However, l…
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…
Broadband Photovoltaic Detectors based on an Atomically Thin Heterostructure
Mingsheng Long, Erfu Liu, Peng Wang +19
Van der Waals junctions of two-dimensional materials with an atomically sharp interface open up unprecedented opportunities to design and study functional heterostructures. Semicon…
High responsivity phototransistors based on few-layer ReS2 for weak signal detection
Erfu Liu, Mingsheng Long, Junwen Zeng +18
Two-dimensional transition metal dichalcogenides are emerging with tremendous potential in many optoelectronic applications due to their strong light-matter interactions. To fully…
Comment on "Raman spectra of misoriented bilayer graphene"
Zhenhua Ni, Yingying Wang, Ting Yu +2
In a recent paper [Phys. Rev. B 78, 113407 (2008)], Poncharal et al. studied the Raman spectra of misoriented bilayer graphene. They found that the blueshift of 2D band of misorien…
Edge chirality determination of graphene by Raman spectroscopy
YuMeng You, ZhenHua Ni, Ting Yu +1
Raman imaging on the edges of single layer micromechanical cleavage graphene (MCG) was carried out. The intensity of disorder-induced Raman feature (D band at ~1350 cm-1) was found…
Reduction of Fermi velocity in folded graphene observed by resonance Raman spectroscopy
Zhenhua Ni, Yingying Wang, Ting Yu +2
The 1+1 layer folded graphene sheets that deviate from AB stacking are successfully fabricated and their electronic structures are investigated by Raman spectroscopy. Significant b…