Influence of the substituents of the thiol ligand on the optical properties of AuCu14

Yu-Jing Zhao; Jin-Sen Yang; Jing Li; Yu-Bing Si; Lu-Yao Xiao; Zhao-Yang Wang; Jia-Hua Hu; Xi-Yan Dong; Shuang-Quan Zang

doi:10.1039/D4CC01747A

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Influence of the substituents of the thiol ligand on the optical properties of AuCu₁₄†

Yu-Jing Zhao,‡^a Jin-Sen Yang,‡^ab Jing Li,^c Yu-Bing Si,^a Lu-Yao Xiao,^a Zhao-Yang Wang,

^a Jia-Hua Hu,*^a Xi-Yan Dong

^ab and Shuang-Quan Zang

Author affiliations

* Corresponding authors

^a Laboratory of Crystalline Molecular Functional Materials, Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
E-mail: jhhu@zzu.edu.cn

^b College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China

^c School of Science, Xuchang University, Xuchang, China

Abstract

Detailed photophysical processes of two AuCu₁₄ clusters with different substituents (–F or –C(CH₃)₃) of the thiol ligand were studied in this work. The electronic effect of the substituents led to structural shrinkage, thus enhancing the luminous intensity. The internal conversion (IC) and intersystem crossing (ISC) rates in the AuCu₁₄-C(CH₃)₃ crystal were slower compared with the AuCu₁₄-F crystal, which was caused by the steric effect.

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Article information

DOI: https://doi.org/10.1039/D4CC01747A
Article type: Communication
Submitted: 13 Apr 2024
Accepted: 15 Jun 2024
First published: 19 Jun 2024

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Chem. Commun., 2024,60, 7374-7377

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Influence of the substituents of the thiol ligand on the optical properties of AuCu₁₄

Y. Zhao, J. Yang, J. Li, Y. Si, L. Xiao, Z. Wang, J. Hu, X. Dong and S. Zang, Chem. Commun., 2024, 60, 7374 DOI: 10.1039/D4CC01747A

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Chemical Communications