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The resistive switching (RS) mechanism of hybrid organic-inorganic perovskites has not been clearly understood until now. A switchable diode-like RS behavior in MAPbBr3 single crystals using Au (or Pt) symmetric electrodes is reported. Both the high resistance state (HRS) and low resistance state (LRS) are electrode-area dependent and light responsive. We propose an electric-field-driven inner p-n junction accompanied by a trap-controlled space-charge-limited conduction (SCLC) conduction mechanism to explain this switchable diode-like RS behavior in MAPbBr3 single crystals.


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Electric modulation of conduction in MAPbBr3 single crystals

Show Author's information Shanming KEaShangyu LUOaJinhui GONGaLiwen QIUaRenhong LIANGaYangbo ZHOUaBingcheng LUOa,bBaochang CHENGaLi WANGa( )Longlong SHUa( )
School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China
State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, China

Abstract

The resistive switching (RS) mechanism of hybrid organic-inorganic perovskites has not been clearly understood until now. A switchable diode-like RS behavior in MAPbBr3 single crystals using Au (or Pt) symmetric electrodes is reported. Both the high resistance state (HRS) and low resistance state (LRS) are electrode-area dependent and light responsive. We propose an electric-field-driven inner p-n junction accompanied by a trap-controlled space-charge-limited conduction (SCLC) conduction mechanism to explain this switchable diode-like RS behavior in MAPbBr3 single crystals.

Keywords:

resistive switching (RS), rectifying behavior, hybrid organic-inorganic perovskites, p-n structure
Received: 27 August 2020 Revised: 24 November 2020 Accepted: 27 November 2020 Published: 24 February 2021 Issue date: April 2021
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Publication history

Received: 27 August 2020
Revised: 24 November 2020
Accepted: 27 November 2020
Published: 24 February 2021
Issue date: April 2021

Copyright

© The Author(s) 2020

Acknowledgements

This work was supported by the National Natural Science Foundation of China (Nos. 11964017, 51972157, 11864022, and 51662028) and the Natural Science Foundation of Jiangxi Province (No. 20192ACB21017).

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