Pressure-induced fluorescence enhancement of FAαPbBr2+α composite perovskites

Lan Anh Thi Nguyen; Duong Nguyen Minh; Ye Yuan; Sudeshna Samanta; Lin Wang; Dongzhou Zhang; Naohisa Hirao; Jaeyong Kim; Youngjong Kang

doi:10.1039/C8NR09780A

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Pressure-induced fluorescence enhancement of FA_αPbBr_2+α composite perovskites†

Lan Anh Thi Nguyen,

^ab Duong Nguyen Minh,^c Ye Yuan,^d Sudeshna Samanta,^bd Lin Wang,^d Dongzhou Zhang,^e Naohisa Hirao,^f Jaeyong Kim

*^ab and Youngjong Kang

*^cg

Author affiliations

* Corresponding authors

^a Department of Physics, Hanyang University, Seoul, Korea

^b HYU-HPSTAR-CIS High Pressure Research Center, Hanyang University, Seoul, Korea
E-mail: kimjy@hanyang.ac.kr

^c Department of Chemistry, Hanyang University, Seoul, Korea

^d Center for High Pressure Science & Technology Advanced Research, Shanghai 201203, China

^e Partnership for Extreme Crystallography, University of Hawaii at Manoa, Honolulu, HI 96822, USA

^f Japan Synchrotron Radiation Research Institute, Hyogo 679-5198, Japan

^g Research Institute for Natural Sciences and Institute of Nano Science and Technology, Hanyang University, Seoul, Korea
E-mail: youngjkang@hanyang.ac.kr

Abstract

FA_αPbBr_2+α composite perovskites consisting of 0D FA₄PbBr₆ and 3D FAPbBr₃ have been synthesized by a solid state reaction. Due to the endotaxy passivation of FAPbBr₃ by FA₄PbBr₆, FAPbBr₃ crystals were stably deformed without agglomeration from the cubic to the orthorhombic structure by compression, which led to a significant PL enhancement.

This article is part of the themed collection: Halide Perovskite Nanocrystals

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Article information

DOI: https://doi.org/10.1039/C8NR09780A
Article type: Communication
Submitted: 04 Dec 2018
Accepted: 05 Mar 2019
First published: 08 Mar 2019

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Nanoscale, 2019,11, 5868-5873

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Pressure-induced fluorescence enhancement of FA_αPbBr_2+α composite perovskites

L. A. T. Nguyen, D. N. Minh, Y. Yuan, S. Samanta, L. Wang, D. Zhang, N. Hirao, J. Kim and Y. Kang, Nanoscale, 2019, 11, 5868 DOI: 10.1039/C8NR09780A

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