We performed a theoretical investigation of chalcogen atoms replacement in WS2/WSe2 heterostructure by isovalent Te atoms in order to reveal its effects on the band gap, electronic structure and density of states . The doped heterostructures were found to preserve semiconductor properties, whereas the...
(6): 2354–2363 Mixed-dimensional WS2/WSe2/Si unipolar barrier heterostructure for high- performance photodetection Zihao Huang1, Mengmeng Yang1, Zhicong Qiu1, Zhongtong Luo1, Yu Chen2*, Chun Du3*, Jiandong Yao4, Huafeng Dong5, Zhaoqiang Zheng1* and Jingbo Li6 ABSTRACT The use of ...
WSe2-石墨烯异质结的光电特性研究 热度: 相关推荐 ObservationofMoiréExcitonsinWSe 2 /WS 2 HeterostructureSuperlattices ChenhaoJin 1 †, EmmaC.Regan 1,2 †,AimingYan 1,3 ,M.IqbalBaktiUtama 1,4 ,DanqingWang 1,2 , YingQin 5 ,SijieYang 5 ,ZhirenZheng 1 ,KenjiWatanabe 6 ,TakashiTaniguchi...
Figure 2a shows the interlayer exciton PL spectra from the flat WS2/WSe2 heterostructure for 0.05-μW (black curve), 1-μW (red curve) and 100-μW (blue curve) laser excitation power, P, at 4 K. The spectrally integrated PL intensity of the interlayer exciton with respect to P is...
Distinct moiré exciton dynamics in WS2/WSe2 heterostructure Feng Kai Xiong Wang Xiaodong Cui Quantum Frontiers (2025) Tunable exciton valley-pseudospin orders in moiré superlattices Richen Xiong Samuel L. Brantly Chenhao Jin Nature Communications (2024) When excitons crystallize Nadine Leisgang ...
图1. 使用光纤尖端动态调谐WSe2/WS2异质结中的莫尔激子。 图2. 外加应力下WSe2/WS2异质结中莫尔层间激子的实验结果。 图3. 外加应力下WSe2/WS2异质结中莫尔层内激子的实验结果。 图4. WSe2/WS2异质结中计算的莫尔激子位移。 文献信息 Dynamic Tuning of Moiré Excitons in a WSe2/WS2Heterostructure via...
Here, we demonstrate a dynamic local deformation of the twisted heterostructures using a diamond anvil cell (DAC), enabling in-situ dynamic modulation of moiré potential in twisted WS 2 —WSe 2 heterostructures at room temperature. Deformation of the twisted heterostructure increases the moiré ...
3.2.2 转移制备WS2/WSe2 异质结 ... 28 3.2.3 WS2/WSe2 异质结退火 ... 29 3.3 WS2/WSe2 异质结的荧光/拉曼光谱表征 ...
Here, we investigated the heterostructure of WSe 2 /WS 2 with different layer thicknesses by steady-state and transient absorption spectroscopy. We observed different ultrafast charge transfer behaviors in 1L-WSe 2 /2L-WS 2 and 2L-WSe 2 /2L-WS 2 few-layer heterostructures. We demonstrate that...
layered heterostructure using multilayered grapheneas electrodes to enable electron-dominated ambipolar electrical transport.WS 2 exhibits mobility of 20 cm 2 V –1 s –1 and an on/off ratio of 10 5 , whereasWSe 2 exhibits mobility of 5 cm 2 V –1 s –1 and an on/off ratio of 10 4...