Ligand Exchange on Au25 Cluster with Chiral Thiols

被引：71

作者：

Si, Satyabrata ^{[2
]}

Gautier, Cyrille ^{[3
]}

Boudon, Julien ^{[3
]}

Taras, Rossana ^{[4
]}

Gladiali, Serafino ^{[4
]}

Buergi, Thomas ^{[1
]}

机构：

[1] Univ Heidelberg, Inst Phys Chem, D-69120 Heidelberg, Germany

[2] CNRS UdS, IPCMS, UMR 7504, F-67034 Strasbourg 2, France

[3] Univ Neuchatel, Inst Phys, CH-2009 Neuchatel, Switzerland

[4] Univ Sassari, Dipartimento Chim, I-07100 Sassari, Italy

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 30期

基金：

瑞士国家科学基金会;

关键词：

GOLD CLUSTERS; OPTICAL-ACTIVITY; PROTECTED AU-25; CRYSTAL-STRUCTURE; NANOPARTICLES; SIZE; STABILITY; ORIGIN;

D O I：

10.1021/jp9044385

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ligand exchange oil [Au-25(SCH2CH2Ph)(18)(-)] [TOA(+)] is studied with two chiral ligands R/S-BINAS and NILC/NIDC in THF with induction of metal-based optical activity. Under the applied condition the ligand exchange is only partial, showing that also within a mixed ligand shell significant optical activity can be induced. The ligand exchange resulted in the change of particle size as observed by UV-vis spectroscopy.

引用

页码：12966 / 12969

页数：4

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