期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 124, 期 23, 页码 12850-12854出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.0c04274
关键词
-
资金
- AgriLife Research of Texas AM
- Governor's University Research Initiative (GURI) grant program of Texas A&M University, GURI Grant [12-2016, M1700437]
Plasmonic catalysis is based on a unique property of noble metal nanostructures to harvest electromagnetic radiation converting it into hot carriers. These high energy species can catalyze chemical reactions in molecules located in the vicinity to surfaces of the plasmonic nanostructures. However, traditional plasmonic metals such as gold (Au) are useful only for a limited number of chemical reactions. The spectrum of chemical reactions can be broadened up by coupling plasmonic and catalytic metals, such as platinum (Pt), in one nanostructure. In this study, we use tipenhanced Raman spectroscopy (TERS) to probe photocatalytic properties of gold-platinum nanoplates (Au@PtNPs). We found that Au ca highly efficiently proto- reduced 4-nitrobenzenethiol (4-NBT) to p,p'-dimercaptoazobisbenzene (DMAB) with the yield similar to the one observed for gold nanoplates (AuNPs). These Au@PtNPs could be used to proto-oxidize 4-aminothiophenol (4-ATP) first to 4-NBT and then 4-NBT to DMAB, whereas photo-oxidation of 4-ATP on the surface of AuNPs directly proceeds to DMAB.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据