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我院近期科研成果被国际学术媒体报道
张桥教授课题组与孙宝全教授课题组合作在Nano Research上发表论文
发布时间:2017-11-24 9:14:36 点击:

题目

Cooperative Interactions among CTA+, Brand Ag+ during Seeded Growth of Gold Nanorods

 

作者

Yong Xu,a Lei Chen,a Xingchen Ye,b Xuchun Wang,a Jiaqi Yu,a Yang Zhao,a Muhan Cao,a Zhouhui Xia,a Baoquan Sun,a* Qiao Zhanga*

 

单位

aJiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China

bDepartment of Chemistry, University of California Berkeley, Berkeley, CA 94720, USA

 

摘要

We have carried out a comprehensive study on the formation mechanism of Au nanorods (AuNRs) in binary surfactant mixtures composed of quaternary ammonium halide and sodium oleate (NaOL). We identify the cetyltrimethyl ammonium (CTA)-Br-Ag+ complex as the key ingredient in directing the anisotropic growth of AuNRs. Based on the improved understanding of the cooperative interactions among CTA+, Br and Ag+, we further demonstrate that AgBr, which is readily solubilized by the cetyltrimethyl ammonium bromide (CTAB) or cetyltrimethyl ammonium chloride (CTAC) micelles, can be employed as the combined source of Ag+ and Brfor the preparation of AuNRs. The growth of high-quality AuNRs can be completed within 15 min under extremely low bromide content (0.1 mM).

 

影响因子

7.354

 

分区情况

一区

 

链接

https://link.springer.com/article/10.1007/s12274-016-1404-3


 

责任编辑:向丹婷



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