Abstract:
金、银、铜等贵金属的纳米结构都具有表面等离激元共振效应,在表面增强拉曼散射(SERS)和光催化领域具有重要的应用价值。合金纳米颗粒有望兼具多种金属的优点,赋予金属纳米颗粒更多优良品质。本论文中,我们通过改进“Brust”法,成功合成了直径1~5 nm的Au_1Ag_1和Au_1Cu_1合金纳米颗粒,所制备的合金纳米颗粒在空气中具有良好的稳定性,并在有机溶剂中具有良好的溶解性。利用溶液法组装的Au_1Ag_1和Au_1Cu_1合金SERS基底,分别对532 nm和785 nm的激发光表现出良好SERS性能。相同条件下,Au_1Ag_1基底比Au基底对R6G探针分子的拉曼信号强度提高了2~4倍,表...
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Source :
光散射学报
Year: 2022
Issue: 01
Volume: 34
Page: 73-77
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 11
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