Bulk Chiral Halide Perovskite Single Crystals for Active Circular Dichroism and Circularly Polarized Luminescence

被引：131

作者：

Dang, Yangyang ^{[1
,2
,3
,4
,5
]}

Liu, Xiaolong ^{[4
,5
,6
]}

Sun, Yajing ^{[1
,2
]}

Song, Jiewu ^{[4
,5
]}

Hu, Wenping ^{[1
,2
,3
]}

Tao, Xutang ^{[4
,5
]}

机构：

[1] Tianjin Univ, Sch Sci, Tianjin Key Lab Mol Optoelect Sci, Tianjin 300072, Peoples R China

[2] Tianjin Univ, Sch Sci, Dept Chem, Tianjin 300072, Peoples R China

[3] Tianjin Univ, Collaborat Innovat Ctr Chem Sci & Engn, Tianjin 300072, Peoples R China

[4] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

[5] Shandong Univ, Inst Crystal Mat, Jinan 250100, Peoples R China

[6] Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2020年 / 11卷 / 05期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

QUANTUM DOTS; SPIN SELECTIVITY; ORIGIN; LIGHT; COLOR;

D O I：

10.1021/acs.jpclett.9b03718

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Motivated by the chirality research of the hybrid halide perovskite, we reported the controllable growth of single crystals of (R)-, (S)-, and (R,S)-C6H5CH(CH3)NH3 (MBA)-based lead (Pb) halide perovskites. The crystal structures were redetermined and further refined to clarify the previously ambiguous crystal structure problems. We further investigated the chiral optical properties of these single crystals including nonlinear optical (NLO) properties and photoluminescence (PL) properties. The as-fabricated (R)- and (S)-MBAPbBr(3) single crystals not only show notable circular dichroism (CD) signals in the absorption spectra but also exhibit obvious circularly polarized luminescence (CPL) characteristics. The available chiral hybrid perovskite single crystals open up the possibility to study these intrinsic chirality properties for optoelectronic applications.

引用

页码：1689 / 1696

页数：15

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