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Rh纳米粒子电化学制备及其表面增强拉曼效应

Electrochemical preparation of Rh nanoparticles and their application as SERS substrates
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摘要 利用电化学手段在氧化铟锡(ITO)导电玻璃表面成功制备了Rh纳米粒子,并发现包裹剂、支持电解质以及电化学参数对产物的形貌及尺寸有着显著影响.通过对上述参数的调控实现了Rh纳米粒子的形貌可控制备,得到了准球形、岛状以及片层状的Rh纳米粒子.此外对岛状Rh纳米粒子在表面增强拉曼光谱中的应用进行了研究.结果表明该种结构具有良好的表面增强拉曼活性. Rhodium nanoparticles （Rh NPs） were successfully fabricated on indium tin oxide （ITO） substrates through an electrochemical route. Capping agents, supporting electrolytes and electrochemical parameters were found to significantly affect the morphologies and sizes of the products in this process. Variously shaped Rh NPs including quasi- spherical nanoparticles, nano-islands and nanoplates were obtained by tuning the aforementioned parameters. Further research on the application of the Rh nanoislands-modified ITO in surface enhanced Raman scattering （SERS） indicates that it serves as an effective SERS substrate.
作者 李媛媛 许顿 谢永红 孙杰 金涛 刘彦君 刁鹏
机构地区 北京航空航天大学材料科学与工程学院
出处 《北京科技大学学报》 EI CAS CSCD 北大核心 2013年第5期642-650,共9页 Journal of University of Science and Technology Beijing
基金 国家自然科学基金资助项目(20973020/B0306)
关键词 铑 纳米粒子 电化学沉积 ITO玻璃 拉曼效应 rhodium nanoparticles electrochemical deposition ITO glass Raman scattering
分类号 O614.82 [理学—无机化学]
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参考文献37

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北京科技大学学报
2013年 第5期

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