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나노 구조 물리 연구단
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Light Soaking Phenomena in Organic Inorganic Mixed Halide Perovskite Single Crystals

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Title
Light Soaking Phenomena in Organic Inorganic Mixed Halide Perovskite Single Crystals
Author(s)
Hye Ryung Byun; Dae Young Park; Hye Min Oh; Gon Namkoong; Mun Seok Jeong
Publication Date
2017-11
Journal
ACS PHOTONICS, v.4, no.11, pp.2813 - 2820
Publisher
AMER CHEMICAL SOC
Abstract
Recently, organic inorganic mixed halide perovskite (MAPbX(3); MA = CH3NH3+, X = Cl-, Br-, or I-) single crystals with low defect densities have been highlighted as candidate materials for high-efficiency photovoltaics and optoelectronics. Here we report the optical and structural investigations of mixed halide perovskite (MAPbBr(3-x)I(x))singlecrystals. Mixed halide perovskite single crystals showed strong light soaking phenomena with light illumination conditions that were correlated to the trapping and detrapping events from defect sites. By systematic investigation with optical analysis, we found that the pseudocubic phase of mixed halide perovskites generates light soaking phenomena. These results indicate that photoinduced changes are related to the existence of multiple phases or halide migrations. © 2017 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/4045
ISSN
2330-4022
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
Files in This Item:
Light Soaking_ACS Photomics_Mun Seok Jeong.pdfDownload

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