Concise Report
Luminescence Regulation of Silver-Thiolate Clusters Protected by 1,2-Dithiolate-o-carborane
Li-Juan Liu,
Thomas C. W. Mak,
Shuang-Quan Zang,
Li-Juan Liu
College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001 China
Search for more papers by this authorThomas C. W. Mak
College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001 China
Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, SAR, China
Search for more papers by this authorCorresponding Author
Shuang-Quan Zang
College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001 China
E-mail: [email protected]Search for more papers by this authorLi-Juan Liu,
Thomas C. W. Mak,
Shuang-Quan Zang,
Li-Juan Liu
College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001 China
Search for more papers by this authorThomas C. W. Mak
College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001 China
Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, SAR, China
Search for more papers by this authorCorresponding Author
Shuang-Quan Zang
College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001 China
E-mail: [email protected]Search for more papers by this authorMain observation and conclusion
Engineering the surface of the metal clusters with the core structure maintained and tuning their luminescence in a wide range is still a challenge in the nanomaterial research. We modified six mono-pyridyl ligands with different electronic effects (conjugation effect or induction effect) on a superatomic silver cluster [Ag14(C2B10H10S2)6(CH3CN)8] (denoted as Ag14) through in situ site-specific surface engineering, and obtained the corresponding clusters [Ag14(C2B10H10S2)6(CH3CN)6(L1/L2)2] (denoted as NC-1, 2, L1/L2 = 4-acetylpyridine/ 4-carboxypyridine) and [Ag14(C2B10H10S2)6(L3/L4/L5/L6)8] (denoted as NC-3, 4, 5, 6, L3/L4/L5/L6 = 4-phenylpyridine/4-(1-naphthyl)pyridine/9-(4-pyridine)anthracene/9-(4-pyridine)pyrene). Through the modification of the Ag14 cluster, a wide-range luminescence from blue to red was realized. This work might provide a practical guide for improving the emission performance of metal clusters via surface engineering.
Supporting Information
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Appendix S1: Supporting Information |
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