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Royal Society of Chemistry, Journal of Materials Chemistry C Materials for optical and electronic devices, 42(9), p. 15212-15220, 2021

DOI: 10.1039/d1tc03370k

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Strong Fermi-level pinning at metal contacts to halide perovskites

Journal article published in 2021 by Kootak Hong, Ki Chang Kwon, Kyoung Soon Choi ORCID, Quyet Van Le ORCID, Seung Ju Kim ORCID, Ji Su Han, Jun Min Suh ORCID, Soo Young Kim ORCID, Carolin M. Sutter-Fella ORCID, Ho Won Jang ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The extrinsic Pb0 interfacial trap states induce strong Fermi-level pinning at metal/CH3NH3PbI3 interfaces. This is due to the interfacial reaction between the deposited metals and iodine from CH3NH3PbI3.