热重塑金和金钯微板上光催化反应的针尖增强拉曼成像
Tip-enhanced Raman imaging of photocatalytic reactions on thermally-reshaped gold and gold-palladium microplates.
作者信息
Li Zhandong, El-Khoury Patrick Z, Kurouski Dmitry
机构信息
Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas 77843, USA.
Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, Richland, Washington 99352, USA.
出版信息
Chem Commun (Camb). 2021 Jan 28;57(7):891-894. doi: 10.1039/d0cc07060b.
Tip-enhanced Raman spectroscopy (TERS) is used to investigate plasmonic and photocatalytic properties of walled gold-palladium microplates (WAu@PdMPs), an alloy bimetallic nanostructures with unique chemical selectivity, and high sensitivity. We found that WAu@PdMPs can reduce 4-nitrobenzenethiol simultaneously to p,p'-dimercaptoazobisbenzene (DMAB) and 4-aminothiophenol, whereas such reduction yields only DMAB on the surface of monometallic nanostructures.
针尖增强拉曼光谱（TERS）用于研究壁式金钯微板（WAu@PdMPs）的等离子体和光催化特性，WAu@PdMPs是一种具有独特化学选择性和高灵敏度的合金双金属纳米结构。我们发现，WAu@PdMPs可以同时将4-硝基苯硫酚还原为对，对'-二巯基偶氮苯（DMAB）和4-氨基苯硫酚，而在单金属纳米结构表面进行这种还原反应时仅生成DMAB。
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