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由于贵金属纳米颗粒/石墨烯复合基底可为喇曼光谱分析技术提供灵敏度高、稳定性好、生物相容性好的基底而备受关注。首先从电磁原理和化学原理两个角度出发,系统地探讨了贵金属纳米颗粒/石墨烯复合基底表面增强喇曼散射(SERS)的机理,进而概述了石墨烯及贵金属纳米颗粒的制备方法及其性能特征,并详细介绍了化学气相沉积法制备石墨烯和物理法制备贵金属纳米颗粒的过程。在此基础上,对不同贵金属纳米颗粒/石墨烯复合基底SERS的国内外研究进展进行了综合的阐述和分析,主要介绍了贵金属Ag,Au和Pt的纳米颗粒复合体系,最后对贵金属纳米颗粒/石墨烯复合基底SERS技术在各个领域的应用及其发展前景进行了展望。
As the noble metal nanoparticle / graphene composite substrate for Raman spectroscopy techniques to provide high sensitivity, good stability, good biocompatibility of the substrate and much attention. Firstly, the mechanisms of enhanced Raman scattering (SERS) on the surface of noble metal nanoparticle / graphene composite substrate are systematically discussed from the aspects of electromagnetic principle and chemical principle, and then the preparation methods and properties of graphene and noble metal nanoparticles are summarized Features, and detailed introduction of chemical vapor deposition of graphene and physical preparation of precious metal nanoparticles process. On this basis, the research progresses on SERS of different noble metal nanoparticle / graphene composite substrates are comprehensively described and analyzed. The nanoparticle composite systems of noble metals Ag, Au and Pt are mainly introduced. Finally, the effects of noble metal nanoparticles / Graphene composite substrate SERS technology in various fields and its prospects for the development of prospects.