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中文摘要：
概述了我们在表面增强拉曼散射（SERS）化学增强机理方面的一些研究工作,介绍了分子-金属的成键作用和光诱导电荷转移对Raman谱峰强度与电位关系的影响,基于光电场下纳米粒子光学性质的物理增强机理,并针对SERS机理研究中尚存在的基本问题提出了建立SERS统一理论的展望.
英文摘要：
In order to further develop surface-enhanced Raman spectroscopy to a versatile and ultra-sensitive diagnostic tool for surface,analytical,life and materials sciences,it is highly desirable to comprehensively reveal the mechanism of surface-enhanced Raman scattering（SERS）.In this review article,emphasis is put on recent work of our group on the chemical enhancement（CE）mechanism.Three types of CE are classified as the enhancement by chemical-bonding,surface complex or photo-induced charge transfer.The electromagnetic（EM）field enhancement mechanism will then be introduced briefly,although it is to be considered the major contribution to SERS.Finally,a prospect of establishing the unified theory,that combines the CE and EM mechanism,will be discussed.
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