Photo-Diodes Based on CH3NH3PbCl3 Perovskite Single Crystals by Epitaxial Growth for Ultraviolet Photo-Detection

Organic-inorganic hybrid methylammonium lead halide perovskite MAPbX3 (where MA = CH 3 NH 3 , and X = Cl, Br, I) single crystals are potential semiconductors for photo-detection due to their excellent optoelectronic performance. In particular, MAPbCl 3 single crystal is a wide-band-gap (2.9 eV) semi...

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Bibliographic Details
Published in:Frontiers in physics 2021-03, Vol.9
Main Authors: Zhao, Jingda, Wang, Xin, Pan, Yuzhu, Xu, Yubing, Li, Yuwei, Chen, Jing, Wu, Jun, Li, Qing, Zhao, Zhiwei, Zhang, Xiaobing, Akram, Javed, Bae, Byung Seong, Yang, Haining, Lei, Wei
Format: Article
Language:English
Subjects:
epitaxial growth
perovskite
photo-diodes
single crystal
UV detection
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Summary:Organic-inorganic hybrid methylammonium lead halide perovskite MAPbX3 (where MA = CH 3 NH 3 , and X = Cl, Br, I) single crystals are potential semiconductors for photo-detection due to their excellent optoelectronic performance. In particular, MAPbCl 3 single crystal is a wide-band-gap (2.9 eV) semiconductor which is suitable for ultraviolet (UV) detection. In this work, n − -n + photo-diodes are fabricated through solution-processed epitaxial growth, growing Bi-doped MAPbCl 3 epitaxial layer on MAPbCl 3 single crystal substrate. The epitaxial layer effectively improves the interface between n − -type and n + -type layers and leads to low dark current. This work provides useful information for UV detection based on perovskites.
ISSN:2296-424X
2296-424X
DOI:10.3389/fphy.2021.659782