Nanoporous gold nanoparticles

被引：116

作者：

Wang, Dong ^{[1
]}

Schaaf, Peter

机构：

[1] Ilmenau Univ Technol, Dept Mat Elect, Inst Mat Engn, D-98684 Ilmenau, Germany

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2012年 / 22卷 / 12期

关键词：

AU; ELECTRODES; CLUSTERS; ARRAYS;

D O I：

10.1039/c2jm15727f

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：

Nanoporous gold nanoparticles are fabricated by combining a thermal dewetting process of Au/Ag bilayer films and a dealloying process. As the gold concentration is small enough within the dewetted nanoparticles, a complete chemical removal of Ag can be achieved and there is a size shrinking during the dealloying process. The nanoporous gold nanoparticles possess a much higher surface-to-volume ratio than bulk nanoporous gold films or gold nanoparticles. The nanoporous nanoparticles have a potential usage in chemical, photonic, and catalytic applications.

引用

页码：5344 / 5348

页数：5

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