Suppressed Mn2+ doping in organometal halide perovskite nanocrystals by formation of two-dimensional (CH3NH3)2MnCl4

Moon Ryul Sihn; Artavazd Kirakosyan; Min-Gi Jeon; Jihoon Choi

doi:10.1039/D1CC00334H

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Suppressed Mn²⁺ doping in organometal halide perovskite nanocrystals by formation of two-dimensional (CH₃NH₃)₂MnCl₄†

Moon Ryul Sihn,^a Artavazd Kirakosyan,^a Min-Gi Jeon^a and Jihoon Choi

*^a

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* Corresponding authors

^a Department of Materials Science and Engineering, Chungnam National University 99 Daehak-ro, Yuseong-gu, Daejeon, Republic of Korea
E-mail: jihoonc@cnu.ac.kr

Abstract

The additional (CH₃NH₃)₂MnCl₄ phase was observed upon increasing the Mn²⁺ dopant concentration, preventing the formation of Mn²⁺-doped CH₃NH₃PbCl₃ NCs. We introduce an approach to avoid the formation of an impurity phase by switching the sequence for the addition of MnCl₂ in the crystal growth process.

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Article information

DOI: https://doi.org/10.1039/D1CC00334H
Article type: Communication
Submitted: 20 Jan 2021
Accepted: 06 Apr 2021
First published: 21 Apr 2021

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Chem. Commun., 2021,57, 5055-5058

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Suppressed Mn²⁺ doping in organometal halide perovskite nanocrystals by formation of two-dimensional (CH₃NH₃)₂MnCl₄

M. R. Sihn, A. Kirakosyan, M. Jeon and J. Choi, Chem. Commun., 2021, 57, 5055 DOI: 10.1039/D1CC00334H

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