Luminescence Regulation of Silver-Thiolate Clusters Protected by 1,2-Dithiolate-o-carborane

• 作者: Li-Juan Liu Thomas C.W.Mak Shuang-Quan Zang
• 来源期刊: 中国化学（英文版）
• 年，卷（期）: 2021,（1）
• 所属期刊栏目: Concise Reports
• 页码范围: 81-86
• 页数: 6页
• 语种: 英文
• DOI: 10.1002/cjoc.202000250

摘要

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 en-gineering,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)pyri-dine/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 sur-face engineering.