Ag Nanoparticle-Decorated Cu2S Nanosheets for Surface Enhanced Raman Spectroscopy Detection and Photocatalytic Applications

被引：7
|
作者：
Nasr, Osama [1 ]
Jiang, Jian-Ru [2 ]
Chuang, Wen-Shuo [1 ]
Lee, Sheng-Wei [2 ]
Chen, Chih-Yen [1 ]
机构：
[1] Natl Sun Yat Sen Univ, Dept Mat & Optoelect Sci, Kaohsiung 804201, Taiwan
[2] Natl Cent Univ, Inst Mat Sci & Engn, Taoyuan 320317, Taiwan
来源：
NANOMATERIALS | 2021年 / 11卷 / 10期
关键词：
Cu2S nanosheets; Ag nanoparticles; SERS probes; photodegradation; photocatalysts; PLASMON RESONANCE SPECTROSCOPY; SCATTERING; ARRAYS; WATER; DEGRADATION; NANOWIRES; GOLD;
D O I：
10.3390/nano11102508
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this article, we demonstrate a facile, rapid, and practical approach to growing high-quality Cu2S nanosheets decorated with Ag nanoparticles (NPs) through the galvanic reduction method. The Ag/Cu2S nanosheets were efficiently applied to the surface-enhanced Raman scattering (SERS) and photocatalytic degradation applications. The photodegradation of RhB dye with the Ag/Cu2S nanosheets composites occurred at a rate of 2.9 times faster than that observed with the undecorated Cu2S nanosheets. Furthermore, the Ag/Cu2S nanosheets displayed highly sensitive SERS detection of organic pollutant (R6G) as low as 10(-9) M. The reproducibility experiments indicated that the Ag/Cu2S nanosheets composites could be used for dual functionality in a new generation of outstandingly sensitive SERS probes for detection and stable photocatalysts.
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页数：8
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