Robust and air-stable sandwiched organo-lead halide perovskites for photodetector applications

Banavoth Murali, Makhsud I. Saidaminov, Ahmed L. Abdelhady, Wei Peng, Jiakai Liu, Jun Pan, Osman M. Bakr, Omar F. Mohammed

Research output: Contribution to journalArticlepeer-review

54 Scopus citations

Abstract

We report the simplest possible method to date for fabricating robust, air-stable, sandwiched perovskite photodetectors. Unlike conventionally designed photodetectors, our proposed sandwiched structure does not require electron/hole transporting layers or expensive electrodes. We demonstrate that photocurrent and sensitivity are enhanced by an order of magnitude in the MAPbI3-MAPbBr3 heterojunction compared to the homojunctions of their analogues. This simpler approach may have applications in the perovskite-only class of solar cells with the goal of scaling up towards commercialization.

Original languageBritish English
Pages (from-to)2545-2552
Number of pages8
JournalJournal of Materials Chemistry C
Volume4
Issue number13
DOIs
StatePublished - 2016

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