Issue 30, 2017

Highly stable and flexible photodetector arrays based on low dimensional CsPbBr3 microcrystals and on-paper pencil-drawn electrodes

Abstract

We propose a novel configuration of photodetectors (PDs) using solution-prepared low dimensional CsPbBr3 microcrystals, pencil-drawn graphite and paper as the active materials, electrodes and substrates, respectively. A decent external quantum yield and responsivity of up to 485% and 2.1 A W−1 were obtained at a low operating voltage of 9 V. The PDs well maintained their functionality under bending conditions and were highly stable in an open environment. Integrated PD arrays can be facilely drawn, via which clear mask-filtrated imaging was acquired.

Graphical abstract: Highly stable and flexible photodetector arrays based on low dimensional CsPbBr3 microcrystals and on-paper pencil-drawn electrodes

Supplementary files

Article information

Article type
Communication
Submitted
13 May 2017
Accepted
02 Jul 2017
First published
05 Jul 2017

J. Mater. Chem. C, 2017,5, 7441-7445

Highly stable and flexible photodetector arrays based on low dimensional CsPbBr3 microcrystals and on-paper pencil-drawn electrodes

F. Cao, D. Yu, X. Li, Y. Zhu, Z. Sun, Y. Shen, Y. Wu, Y. Wei and H. Zeng, J. Mater. Chem. C, 2017, 5, 7441 DOI: 10.1039/C7TC02108A

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