中国激光, 2012, 39 (11): 1115001, 网络出版: 2012-10-18   

碳纳米管和金属纳米粒子复合结构的拉曼光谱特性

Raman Spectrum of Carbon Nanotubes Coated by Au Nano Particles Film
作者单位
重庆大学光电工程学院光电技术及系统教育部重点实验室, 重庆 400044
摘要
提出了一种基于碳纳米管和金属纳米粒子的表面增强拉曼基底,并进行了实验研究。采用化学方法制备了单壁和多壁碳纳米管薄膜;利用离子溅射方法在碳纳米管薄膜上形成Au纳米粒子,构成基于碳纳米管和金属纳米粒子复合结构的表面增强拉曼散射基底。对此样品进行了扫描电子显微镜(SEM),反射谱、拉曼谱等表征测试。研究表明,该基底由于碳纳米管极大的比表面积,可吸附更多的金属纳米粒子,增强拉曼散射信号强度。
Abstract
A new structure based on carbon nanotubes and nano particles for Raman enhancement is presented. Experimental analysis is carried on. With chemical way, single-walled and multi-walled carbon nanotube films are obtained. Carbon nanotube film coated by Au nano particles samples are prepared with sputtering. Scanning electron microscope (SEM) image, reflectivity spectrum and Raman spectrum are measured. Experimental results indicate that the Raman intensity is enhanced due to Au nano particles function.
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张洁, 陈俞霖, 朱永. 碳纳米管和金属纳米粒子复合结构的拉曼光谱特性[J]. 中国激光, 2012, 39(11): 1115001. Zhang Jie, Chen Yulin, Zhu Yong. Raman Spectrum of Carbon Nanotubes Coated by Au Nano Particles Film[J]. Chinese Journal of Lasers, 2012, 39(11): 1115001.

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