Metal synergistic effect on cluster optical properties: based on Ag25 series nanoclusters

Qianqin Yuan; Xi Kang; Daqiao Hu; Chenwanli Qin; Shuxin Wang; Manzhou Zhu

doi:10.1039/C9DT02493J

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Metal synergistic effect on cluster optical properties: based on Ag₂₅ series nanoclusters†

Qianqin Yuan,^a Xi Kang,

^a Daqiao Hu,^a Chenwanli Qin,^a Shuxin Wang

*^a and Manzhou Zhu

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry and Centre for Atomic Engineering of Advanced Materials, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University, Hefei, Anhui 230601, China
E-mail: ixing@ahu.edu.cn, zmz@ahu.edu.cn

Abstract

Due to their high biological stability and strong fluorescence, thiolated metal nanoclusters have shown great potential as a new generation of bio-nano-materials. However, the ambiguous mechanism of fluorescence impedes the design and synthesis of highly fluorescent nanoclusters. In this work, Ag₂₅ nanocluster and its dopants were chosen as a model to study the effect of metal synergy on the optical properties. Significantly, when the valence electrons shrank to the center of the metal kernel, an enhanced fluorescence was observed, and vice versa. This finding will hopefully make a significant contribution to the property regulations of the metal nanoclusters and stimulate more excellent applications of the luminescent nanoclusters.

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Article information

DOI: https://doi.org/10.1039/C9DT02493J
Article type: Paper
Submitted: 13 Jun 2019
Accepted: 01 Aug 2019
First published: 15 Aug 2019

Download Citation

Dalton Trans., 2019,48, 13190-13196

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Metal synergistic effect on cluster optical properties: based on Ag₂₅ series nanoclusters

Q. Yuan, X. Kang, D. Hu, C. Qin, S. Wang and M. Zhu, Dalton Trans., 2019, 48, 13190 DOI: 10.1039/C9DT02493J

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Dalton Transactions