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Issue 6, 2019
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Zinc oxide ultraviolet photodetectors: rapid progress from conventional to self-powered photodetectors

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Abstract

Currently, the development of ultraviolet (UV) photodetectors (PDs) has attracted the attention of the research community because of the vast range of applications of photodetectors in modern society. A variety of wide-band gap nanomaterials have been utilized for UV detection to achieve higher photosensitivity. Specifically, zinc oxide (ZnO) nanomaterials have attracted significant attention primarily due to their additional properties such as piezo-phototronic and pyro-phototronic effects, which allow the fabrication of high-performance and low power consumption-based UV PDs. This article primarily focuses on the recent development of ZnO nanostructure-based UV PDs ranging from nanomaterials to architectural device design. A brief overview of the photoresponse characteristics of UV PDs and potential ZnO nanostructures is presented. Moreover, the recent development in self-powered PDs and implementation of the piezo-phototronic effect, plasmonic effect and pyro-phototronic effect for performance enhancement is highlighted. Finally, the research perspectives and future research direction related to ZnO nanostructures for next-generation UV PDs are summarized.

Graphical abstract: Zinc oxide ultraviolet photodetectors: rapid progress from conventional to self-powered photodetectors

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Article information


Submitted
28 Feb 2019
Accepted
28 Mar 2019
First published
02 Apr 2019

This article is Open Access

Nanoscale Adv., 2019,1, 2059-2085
Article type
Review Article

Zinc oxide ultraviolet photodetectors: rapid progress from conventional to self-powered photodetectors

B. Deka Boruah, Nanoscale Adv., 2019, 1, 2059
DOI: 10.1039/C9NA00130A

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    [Original citation] - Published by The Royal Society of Chemistry.

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