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Nano Research 2016, 9(12): 3695-3704 https://doi.org/10.1007/s12274-016-1240-5
Research Article | Issue | Published: 10 September 2016

Temperature dependence of pyro-phototronic effect on self-powered ZnO/perovskite heterostructured photodetectors

Show Author's Information Wenbo Peng1,2,§,  Ruomeng Yu1,§,  Xingfu Wang1,§,  Zhaona Wang1,  Haiyang Zou1,  Yongning He2,  Zhong Lin Wang1,3( )
School of Materials Science and EngineeringGeorgia Institute of TechnologyAtlanta, Georgia, 30332-0245USA
School of Electronic and Information EngineeringXi'an Jiaotong UniversityXi'an710049China
Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing100083China

§ These authors contributed equally to this work.

Keywords:
perovskite, temperature dependence, ZnO, self-powered, pyro-phototronic effect
Cite this article:
Peng W, Yu R, Wang X, et al. Temperature dependence of pyro-phototronic effect on self-powered ZnO/perovskite heterostructured photodetectors. Nano Research, 2016, 9(12): 3695-3704. https://doi.org/10.1007/s12274-016-1240-5
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Abstract Full text Electronic supplementary material About this article

Self-powered ZnO/perovskite heterostructured ultraviolet (UV) photodetectors (PDs) based on the pyro-phototronic effect have been recently reported as a promising solution for energy-efficient, ultrafast-response, and high-performance UV PDs. In this study, the temperature dependence of the pyro-phototronic effect on the photo-sensing performance of self-powered ZnO/perovskite heterostructured PDs was investigated. The current responses of these PDs to UV light were enhanced by 174.1% at 77 K and 28.7% at 300 K owing to the improved pyro-phototronic effect at low temperatures. The fundamentals of the pyro-phototronic effect were thoroughly studied by analyzing the chargetransfer process and the time constant of the current response of the PDs upon UV illumination. This work presents in-depth understandings about the pyrophototronic effect on the ZnO/perovskite heterostructure and provides guidance for the design and development of corresponding optoelectronics for ultrafast photo sensing, optothermal detection, and biocompatible optoelectronic probes.


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Electronic supplementary material
About this article

Temperature dependence of pyro-phototronic effect on self-powered ZnO/perovskite heterostructured photodetectors

Show Author's information Wenbo Peng1,2,§, Ruomeng Yu1,§, Xingfu Wang1,§, Zhaona Wang1, Haiyang Zou1, Yongning He2, Zhong Lin Wang1,3( )
School of Materials Science and EngineeringGeorgia Institute of TechnologyAtlanta, Georgia, 30332-0245USA
School of Electronic and Information EngineeringXi'an Jiaotong UniversityXi'an710049China
Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing100083China

§ These authors contributed equally to this work.

Abstract

Self-powered ZnO/perovskite heterostructured ultraviolet (UV) photodetectors (PDs) based on the pyro-phototronic effect have been recently reported as a promising solution for energy-efficient, ultrafast-response, and high-performance UV PDs. In this study, the temperature dependence of the pyro-phototronic effect on the photo-sensing performance of self-powered ZnO/perovskite heterostructured PDs was investigated. The current responses of these PDs to UV light were enhanced by 174.1% at 77 K and 28.7% at 300 K owing to the improved pyro-phototronic effect at low temperatures. The fundamentals of the pyro-phototronic effect were thoroughly studied by analyzing the chargetransfer process and the time constant of the current response of the PDs upon UV illumination. This work presents in-depth understandings about the pyrophototronic effect on the ZnO/perovskite heterostructure and provides guidance for the design and development of corresponding optoelectronics for ultrafast photo sensing, optothermal detection, and biocompatible optoelectronic probes.

Keywords: perovskite, temperature dependence, ZnO, self-powered, pyro-phototronic effect

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Publication history
Copyright
Acknowledgements

Publication history

Received: 14 June 2016
Revised: 26 July 2016
Accepted: 28 July 2016
Published: 10 September 2016
Issue date: December 2016

Copyright

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2016

Acknowledgements

Acknowledgements

This research was supported by the U.S. Department of Energy, Office of Basic Energy Sciences (No. DE-FG02-07ER46394). W. B. P. would like to thank for the support from China Scholarship Council (CSC).

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