Bidirectionally Regulated Ultraviolet and Visible Dual‐Band Photoresponse Characteristics of Self‐Powered BiOI/WO3 Photodetectors
Fan Liu,
Jianping Xu,
Shaobo Shi
et al.
Abstract:Images captured in inadequate illumination or uneven brightness conditions are prone to suffer from loss of detail and reduced contrast. Self‐powered BiOI/WO3 heterojunction PDs with bidirectionally regulated ultraviolet (UV) and visible dual‐band photoresponse characteristics can help to solve the problems. By varying the growth time of BiOI nanoflakes (NFs) on WO3 nanorod arrays (NRs), different stoichiometric ratios and crystal and band structures of BiOI are achieved. The I− ions migration inside the BiOI … Show more
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