Performance enhanced Metal‐Semiconductor‐Metal photodetector based on double‐layer ZnO nanorods | Zendy

Chu Lingling | Zendy; Xu Chao | Zendy; Feng Bo | Zendy; Nie Chao | Zendy; Hu Yunxue | Zendy

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Performance enhanced Metal‐Semiconductor‐Metal photodetector based on double‐layer ZnO nanorods

Author(s) -

Chu Lingling,

Xu Chao,

Feng Bo,

Nie Chao,

Hu Yunxue

Publication year - 2022

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/ell2.12363

Subject(s) - nanorod , photodetector , photocurrent , materials science , optoelectronics , layer (electronics) , hydrothermal circulation , semiconductor , metal , nanotechnology , chemical engineering , engineering , metallurgy

This study reports that photodetectors based on double‐layer ZnO nanorods grown on AZO seed layer by hydrothermal method. Compared with the photodetectors with single‐layer nanorods, the on/off ratio of the photodetectors with double‐layer ZnO nanorods is increased by ∼2.52 times, the photoresponsivity is increased ∼5.50 times, the sensitivity is increased ∼3.34 times and the response time was shortened by 0.97 and 6.65 s, respectively. Furthermore, the photocurrent derivative also shows that the photodetectors based on double‐layer ZnO nanorods has a faster response speed.

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