[Au14(2-SAdm)9(Dppe)2]+: a gold nanocluster with a crystallization-induced emission enhancement phenomenon

Dong Liu; Guiqi Gao; Yongyu Zhang; Qinzhen Li; Sha Yang; Jinsong Chai; Haizhu Yu; Manzhou Zhu

doi:10.1039/D3CC06335F

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[Au₁₄(2-SAdm)₉(Dppe)₂]⁺: a gold nanocluster with a crystallization-induced emission enhancement phenomenon†

Dong Liu,‡^a Guiqi Gao,‡^a Yongyu Zhang,^a Qinzhen Li,^a Sha Yang,

^a Jinsong Chai,

*^a Haizhu Yu

*^a and Manzhou Zhu

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry and Centre for Atomic Engineering of Advanced Materials, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Institutes of Physical Science and Information Technology and Anhui Province Key, Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University, Hefei, China
E-mail: chaijs@ahu.edu.cn, yuhaizhu@ahu.edu.cn, zmz@ahu.edu.cn

Abstract

In this work, a gold nanocluster [Au₁₄(2-SAdm)₉(Dppe)₂]⁺ was synthesized and structurally determined by X-ray crystallography. The crystals of this cluster exhibit a 50-fold enhancement in quantum yield (5.05% for crystals) compared with its solution. Crystallographic analysis reveals that the weak intermolecular interactions (C–H⋯π, π⋯π) can inhibit the molecular vibration and thus generate the crystallization-induced emission enhancement phenomenon.

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Article information

DOI: https://doi.org/10.1039/D3CC06335F
Article type: Communication
Submitted: 31 Dec 2023
Accepted: 04 Jan 2024
First published: 05 Jan 2024

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Chem. Commun., 2024,60, 1337-1340

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[Au₁₄(2-SAdm)₉(Dppe)₂]⁺: a gold nanocluster with a crystallization-induced emission enhancement phenomenon

D. Liu, G. Gao, Y. Zhang, Q. Li, S. Yang, J. Chai, H. Yu and M. Zhu, Chem. Commun., 2024, 60, 1337 DOI: 10.1039/D3CC06335F

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