二硒化钨
晶体管
光电子学
材料科学
极化(电化学)
电场
圆极化
光发射
光学
物理
化学
电压
催化作用
物理化学
微带线
过渡金属
量子力学
生物化学
作者
Yijin Zhang,Takashi Oka,Ryuji Suzuki,Justin Ye,Yoshihiro Iwasa
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2014-05-16
卷期号:344 (6185): 725-728
被引量:676
标识
DOI:10.1126/science.1251329
摘要
Controlling Chiral Light Emission Circularly polarized light plays important roles in a number of applications such as displays, communication, and sensing. Thus, the ability to produce compact and readily controllable polarized light sources is important, and dichalcogenide materials such as tungsten diselenide may provide a route to such sources. Zhang et al. (p. 725 , published online 17 April; see the Perspective by Zaumseil ) formed an electric-double-layer transistor structure with WSe2 and used a gated ionic liquid to control the carrier density. Electrical control of the output light was achieved with the polarization being switched by reversing the polarity of the applied field and injected charge.
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