Photogating WS2 Photodetectors Using Embedded WSe2 Charge Puddles

Tsai, TH; Liang, ZY; Lin, YC; Wang, CC; Lin, KI; Suenaga, K; Chiu, PW

Chiu, PW (corresponding author), Natl Tsing Hua Univ, Dept Elect Engn, Hsinchu 30013, Taiwan.; Chiu, PW (corresponding author), Acad Sinica, Inst Atom & Mol Sci, Taipei 10617, Taiwan.

ACS NANO, 2020; 14 (4): 4559

Abstract

Performance of 2D photodetectors is often predominated by charge traps that offer an effective photogating effect. The device features an ultrahigh ga......

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