High temperature nucleation and growth of glutathione protected ∼ Ag75 clusters

被引：65

作者：

Chakraborty, Indranath ^{[1
]}

Udayabhaskararao, Thumu ^{[1
]}

Pradeep, Thalappil ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem, DST Unit Nanosci DST UNS, Madras 600036, Tamil Nadu, India

来源：

CHEMICAL COMMUNICATIONS | 2012年 / 48卷 / 54期

关键词：

LIGAND-EXCHANGE REACTIONS; AU-25; CLUSTERS; SILVER NANOCLUSTERS; QUANTUM CLUSTERS; GOLD CLUSTERS; AU; STABILITY; AU-38; STATE; AG;

D O I：

10.1039/c2cc33099g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the first high temperature solution state synthesis of glutathione (-SG) protected atomically precise silver clusters. Noble metal cluster synthesis from metal ions generally requires ice cold temperatures as they are extremely sensitive and high temperature routes are used only for core reduction methods, starting from nanoparticles. The clusters formed by the new route have distinct features in their absorption profile and they exhibit red luminescence. They are characterised by other spectroscopic and microscopic techniques and a tentative formula of Ag-75(SG)(40) has been assigned.

引用

页码：6788 / 6790

页数：3

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