The regulatory effect of triphenylphosphine oxide on perovskites for morphological and radiative improvement

Danyang Jiang; Tao Jiang; Yuee Tian; Kaichuan Wen; Chunbo Duan; Nana Wang; Qiang Li; Jianpu Wang; Hui Xu

doi:10.1039/D1TC01320C

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The regulatory effect of triphenylphosphine oxide on perovskites for morphological and radiative improvement†

Danyang Jiang,‡^a Tao Jiang,‡^b Yuee Tian,^a Kaichuan Wen,^b Chunbo Duan,^a Nana Wang,*^b Qiang Li,

*^a Jianpu Wang*^b and Hui Xu

*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Functional Inorganic Material Chemistry (Chinese Ministry of Education), Heilongjiang University, 74 Xuefu Road, Harbin 150080, China
E-mail: liqiang@hlju.edu.cn, hxu@hlju.edu.cn

^b Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, 211816 Nanjing, China
E-mail: iamnnwang@njtech.edu.cn, iamjpwang@njtech.edu.cn

Abstract

The influence of a triphenylphosphine oxide (TPPO) additive on the morphology and emission of FAPbBr₃ perovskites is investigated, which indicates the defect passivation through P [double bond, length as m-dash] O coordination for morphological improvement and emission enhancement, owing to the reduced non-radiative recombination rate and the stabilized FAPbBr₃ crystal phase as evidenced by transient and temperature-dependent emission spectra.

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Article information

DOI: https://doi.org/10.1039/D1TC01320C
Article type: Communication
Submitted: 23 Mar 2021
Accepted: 21 Apr 2021
First published: 22 Apr 2021

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J. Mater. Chem. C, 2021,9, 6399-6403

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The regulatory effect of triphenylphosphine oxide on perovskites for morphological and radiative improvement

D. Jiang, T. Jiang, Y. Tian, K. Wen, C. Duan, N. Wang, Q. Li, J. Wang and H. Xu, J. Mater. Chem. C, 2021, 9, 6399 DOI: 10.1039/D1TC01320C

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Journal of Materials Chemistry C

The regulatory effect of triphenylphosphine oxide on perovskites for morphological and radiative improvement†

Abstract

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The regulatory effect of triphenylphosphine oxide on perovskites for morphological and radiative improvement

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