Facile synthesis of hollow urchin-like gold nanoparticles and their catalytic activity

被引：34
|
作者：
Wang, Wei [1 ,2 ]
Pang, Yujia [1 ]
Yan, Jian [1 ]
Wang, Guibao [2 ]
Suo, Hui [2 ]
Zhao, Chun [2 ]
Xing, Shuangxi [1 ]
机构：
[1] NE Normal Univ, Inst Colloid & Interface Chem, Fac Chem, Changchun 130024, Peoples R China
[2] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
来源：
GOLD BULLETIN | 2012年 / 45卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Hollow structure; Urchin-like structure; Gold nanoparticles; Catalytic activity; REPLACEMENT REACTION; NANOSTRUCTURES; NANOCAGES; NANOCRYSTALS;
D O I：
10.1007/s13404-012-0052-y
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The galvanic replacement reaction between Ag nanoparticles (NPs) and HAuCl4 followed by addition of ascorbic acid led to the formation of AuNPs sharing both urchin-like and hollow structures. The AgNPs took as sacrificial templates to guide the hollow structure and the intermediates provided rough surface and active sites for the further deposition of AuNPs, which originated from the reduction of excess HAuCl4 by ascorbic acid. These unique structured AuNPs presented excellent optical properties and great advantages in catalysis applications.
引用
收藏
页码：91 / 98
页数：8
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