Integrating Achiral and Chiral Organic Ligands in Zero-Dimensional Hybrid Metal Halides to Boost Circularly Polarized Luminescence

Liu，Yulian; Luo，Zhishan; Wei，Yi; Li，Chen; Chen，Yulin; He，Xin; Chang，Xiaoyong; Quan，Zewei

2023-09-11

10.1002/anie.202306821

Angewandte Chemie - International Edition   Impact Factor & Quartile

1433-7851

1521-3773

Chiral zero-dimensional hybrid metal halides (0D HMHs) could combine excellent optical properties and chirality, making them promising for circularly polarized luminescence (CPL). However, chiral 0D HMHs with efficient CPL have been rarely reported. Here, we propose an efficient strategy to achieve simultaneously high photoluminescence quantum yield (PLQY) and large dissymmetry factor (g), by integrating achiral and chiral ligands into 0D HMHs. Specifically, three pairs of chiral 0D hybrid indium-antimony chlorides are synthesized by combing achiral guanidine with three types of chiral methylbenzylammonium-based derivatives as the organic cations. These chiral 0D HMHs exhibit near-unity PLQY and large g values up to around ±1×10. The achiral guanidine ligand is not only essential to crystallize these hybrid indium-antimony chlorides to achieve near-unity PLQYs, but also greatly enhances the chirality induction from organic ligands to inorganic units in these 0D HMHs. Furthermore, the choice of different chiral ligands can modify the strength of hydrogen bonding interactions in these 0D HMHs, to maximize their g values. Overall, this study provides a robust way to realize efficient CPL in chiral HMHs, expanding their applications in chiroptical fields.

Achiral Ligand Chiral Metal Halide Chirality Induction Circularly Polarized Luminescence

SCI

English

NI Journal Papers ; NI论文

First ; Corresponding

Guangdong Science and Technology Department[2022A1515010918];National Natural Science Foundation of China[52072166];Science, Technology and Innovation Commission of Shenzhen Municipality[RCJC20210609104441068];

Chemistry

Chemistry, Multidisciplinary

WOS:001042195800001

WILEY-V C H VERLAG GMBH

CHEMISTRY

2-s2.0-85166932355

Scopus

Department of Chemistry and Academy for Advanced Interdisciplinary Studies,Southern University of Science and Technology (SUSTech),Shenzhen,Guangdong,518055,China

Liu，Yulian,Luo，Zhishan,Wei，Yi,et al. Integrating Achiral and Chiral Organic Ligands in Zero-Dimensional Hybrid Metal Halides to Boost Circularly Polarized Luminescence[J]. Angewandte Chemie - International Edition,2023,62(37).

Liu，Yulian.,Luo，Zhishan.,Wei，Yi.,Li，Chen.,Chen，Yulin.,...&Quan，Zewei.(2023).Integrating Achiral and Chiral Organic Ligands in Zero-Dimensional Hybrid Metal Halides to Boost Circularly Polarized Luminescence.Angewandte Chemie - International Edition,62(37).

Liu，Yulian,et al."Integrating Achiral and Chiral Organic Ligands in Zero-Dimensional Hybrid Metal Halides to Boost Circularly Polarized Luminescence".Angewandte Chemie - International Edition 62.37(2023).