双层 MoS2 中的激子和三激子动力学。
Exciton and Trion Dynamics in Bilayer MoS2.
机构信息
School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China.
Research School of Engineering, College of Engineering and Computer Science, the Australian National University, Canberra, ACT, 2601, Australia.
出版信息
Small. 2015 Dec 22;11(48):6384-90. doi: 10.1002/smll.201501949. Epub 2015 Nov 6.
The control of exciton and triondynamics in bilayer MoS2 is demonstrated, via the comodulations by both temperature and electric field. The calculations here show that the band structure of bilayer MoS2 changes from indirect at room temperature toward direct nature as temperature decreases, which enables the electrical tunability of the K-K direct PL transition in bilayer MoS2 at low temperature.
通过温度和电场的协同调制，展示了双层 MoS2 中激子和三电子动力学的控制。这里的计算表明，双层 MoS2 的能带结构从室温下的间接带隙转变为直接带隙，这使得在低温下可以对双层 MoS2 的 K-K 直接 PL 跃迁进行电调谐。
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