Characteristics of the PtSe2 low-energy photon detector. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Characteristics of the PtSe2 low-energy photon detector.

Caption

a, Schematic diagram of the experimental geometry, with photon-beam spot profile (diameter: 800 μm), derived from two-dimensional scanning of the photodetector. b, The band diagram at the different metal junction regions with/without bias. c, Bias dependence of responsivity at 0.12 THz and 0.3 THz for different channel lengths. d, The conversion efficiency of the nanogap slit photodetector versus the incident power at room temperature.

Credit

by Lin Wang, Li Han, Wanlong Guo, Libo Zhang, Chenyu Yao, Zhiqingzi Chen, Yulu Chen, Cheng Guo, Kaixuan Zhang, Chia-Nung Kuo, Chin Shan Lue, Antonio Politano, Huaizhong Xing, Mengjie Jiang, Xianbin Yu, Xiaoshuang Chen, and Wei Lu

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License

CC BY

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