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1 research outputs found
银和去合金银-金纳米粒子的SERS活性研究
Author
吴德印
周海辉
+3 more
田中群
胡建强
连天泉
Publication venue
Publication date
30/09/2004
Field of study
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用乙二醇还原硝酸银,聚乙烯吡咯烷酮作表面活性剂合成了大量的银纳米颗粒。银纳米颗粒和HAuCl4发生置换反应后形成去合金银-金纳米粒子。以吡啶和SCN-作为探针分子研究了它们的SERS活性。结果表明,当探针分子吸附于银纳米颗粒和去合金银-金纳米粒子上时,探针分子的特征振动峰强度增强、频率发生位移。SERS可表征纳米粒子物理和化学性质的变化
Xiamen University Institutional Repository