Synthesis, single crystal X-ray analysis, and TEM for a single-sized Au11 cluster stabilized by SR ligands:: The interface between molecules and particles

被引：66
|
作者：
Nunokawa, K
Onaka, S
Ito, M
Horibe, M
Yonezawa, T
Nishihara, H
Ozeki, T
Chiba, H
Watase, S
Nakamoto, M
机构：
[1] Nagoya Inst Technol, Grad Sch Engn, Dept Environm Technol, Showa Ku, Nagoya, Aichi 4668555, Japan
[2] Univ Tokyo, Grad Sch Sci, Dept Chem, Bunkyo Ku, Tokyo 1130033, Japan
[3] Tokyo Inst Technol, Dept Chem & Mat Sci, Meguro Ku, Tokyo 1528551, Japan
[4] Osaka Municipal Tech Res Inst, Joto Ku, Osaka 5368553, Japan
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2006年 / 691卷 / 04期
关键词：
Au-S-py complex; Au-11; cluster; TEM; SR-modified Au cluster;
D O I：
10.1016/j.jorganchem.2005.09.043
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
An SR-modified Au cluster with a sub-nanometer size, Au-11(S-4-NC5H4)(3)(PPh3)(7) (1), has been synthesized by NaBH4 reduction of Au(S-py)(PPh3)or by reacting [Au-9(PPh3)(8)](NO3)(3) with HS-4-py in good yield. Its molecular structure has been elucidated by single crystal X-ray diffraction, and TEM observation has been achieved for the first time for this size of SR-modified An clusters. The core structure is best described in terms of an incomplete icosahedron. CV measurements in CH2Cl2 have suggested that the cluster does not coagulate in solution with significant concentration. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：638 / 642
页数：5
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