Surface State Induced Filterless SWIR Narrow-Band Si Photodetector

• Published in: IEEE electron device letters Vol. 44; no. 7; p. 1
• Main Authors: Wang, Li, Pan, Yan, Xing, Jia-Le, Mao, Jian-Bo, Ba, Yong-Jin, Cao, Lu, Wang, Mo-Lin, Wu, Chun-Yan, Zhang, Xiang, Luo, Lin-Bao
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.07.2023; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Absorption; Electrodes; Flat surfaces; Light irradiation; Microstructure; Narrowband; Narrowband photodetector; Photodetectors; Photometers; planar-type; Radiation effects; Sensitivity; short-wavelength infrared; Silicon; surface state

In this letter, planar type self-powered short-wavelength infrared narrowband Si photodetector was realized based on a simple Schottky structure by increasing surface states and enlarging the distance between Schottky electrode and light irradiation region. With the assistance of pyramid microstruct...