State Key Laboratory of Materials Processing and Die & Mould Technology School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, P.R. China.
Nanoscale. 2018 Oct 18;10(40):18915-18919. doi: 10.1039/c8nr06399k.
The tert-butylethynide ligand has been employed to construct an atomically precise all-tert-butylethynide-protected silver superatom nanocluster, Ag51(tBuC[triple bond, length as m-dash]C)32 (hereafter denoted as Ag51). The identity of Ag51 is confirmed by high resolution ESI-MS and elemental analysis. Single crystal X-ray analysis revealed that the structure of Ag51 features a three-shell arrangement, Ag@Ag8/Ag6@Ag36@C24/C8. Ag51 exhibits a strong solvatochromic effect, and the emissions are strongly dependent on the solvent polarity and are tunable from blue to red by changing the solvent from less polar dichloromethane to highly polar methanol.
三键连接的叔丁基乙炔配体被用来构建一个原子精度的全叔丁基乙炔保护的银超原子纳米团簇，Ag51(tBuC≡C)32（以下简称 Ag51）。Ag51 的身份通过高分辨 ESI-MS 和元素分析得到确认。单晶 X 射线分析表明，Ag51 的结构具有三层排列，Ag@Ag8/Ag6@Ag36@C24/C8。Ag51 表现出很强的溶剂化变色效应，通过从非极性二氯甲烷到极性甲醇的溶剂变化，其发射可以从蓝色调至红色调，具有很强的可调谐性。
