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나노 구조 물리 연구단
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Synthesis and Characterization of Multiple-Cation Rb(MAFA)PbI3 Perovskite Single Crystals

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Title
Synthesis and Characterization of Multiple-Cation Rb(MAFA)PbI3 Perovskite Single Crystals
Author(s)
Hyojung Kim; Hye Ryung Byun; Mun Seok Jeong
Publication Date
2019-02
Journal
SCIENTIFIC REPORTS, v.9, no.2022, pp.1 - 7
Publisher
NATURE PUBLISHING GROUP
Abstract
We synthesized multiple-cation Rb(MAFA)PbI3 perovskite single crystals for the first time. The effect of Rb+ substitution was systemically investigated, and the addition of 1.5 M 5% RbI was the optimum condition to obtain high-quality Rb(MAFA)PbI3 single crystals. Lattice shrinkage occurred in the Rb(MAFA)PbI3 single crystal because of the small ionic radius of Rb+, resulting in blue-shifted absorption and photoluminescence (PL) peaks. The 1.5 M 5% RbI-added (MAFA)PbI3 single crystal showed the longest carrier lifetime of 18.35 ns, exhibiting the highest photoresponse than other crystals. We believe that this work will provide a basic insight into the mixed-cation perovskite single crystals for the future optoelectronic applications. © The Author(s) 2019
URI
https://pr.ibs.re.kr/handle/8788114/5903
ISSN
2045-2322
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
Files in This Item:
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