针尖增强拉曼光谱的发展及其在表界面中的应用
曹茂丰,冯慧姝,包一凡,王 翔*,任 斌

(厦门大学化学化工学院,固体表面物理化学国家重点实验室,能源材料化学协同创新中心,福建 厦门 361005)

针尖增强拉曼光谱; 纳米分辨; 表界面; 电化学

Development of tip-enhanced Raman spectroscopy and its application in surfaces and interfaces
CAO Maofeng,FENG Huishu,BAO Yifan,WANG Xiang*, REN Bin

(State Key Laboratory of Physical Chemistry of Solid Surfaces,Collaborative Innovation Center of Chemistry for Energy Materials,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,China)

tip-enhanced Raman spectroscopy; nanometer resolution; surface interface; electrochemistrydoi:10.6043/j.issn.0438-0479.202005025

DOI: 10.6043/j.issn.0438-0479.202006048

备注

表界面在重要的能源材料过程中扮演着极其重要的角色,对表界面纳米尺度和分子水平的表征有助于揭示其构效关系.针尖增强拉曼光谱(TERS)技术结合了等离激元增强拉曼光谱和扫描探针显微镜(SPM)技术,能够同时在纳米尺寸和分子尺度上表征表界面的物理形貌信息和化学指纹信息,因此被广泛地应用于催化、材料等领域的研究.本文首先从TERS技术在表界面研究中的优势出发,回顾TERS技术在厦门大学的发展历程,详细阐述了包括TERS针尖和仪器构型等TERS技术的核心问题; 进而分析讨论了近年来TERS技术在超高真空、固气界面和固液(电化学)界面研究中的应用; 最后总结了TERS技术中亟待解决的问题并展望TERS技术未来的发展方向.

Surface/interfaces are of great significance in the fields of energy and materials.The characterization at nanoscale and molecular level helps to reveal a reliable structure-function relationship.Tip-enhanced Raman spectroscopy(TERS)is an organic combination of plasmon-enhanced Raman spectroscopy and scanning probe microscopy(SPM),which enables simultaneous acquisition of the topography and chemical information of the surfaces and interfaces at the nanoscale and molecular level.It has been widely used in the fields of catalysis and materials.In this review,we start from the advantages of TERS for the interfacial study,followed by brief introduction of the history of developing TERS techniques in Xiamen University.We then focus on some key issues of TERS,including the TERS tips and configurations of the TERS instruments,and recent applications of TERS studies in ultrahigh vacuum,solid-gas interface and solid-liquid(including electrochemical interface)system.Finally,we conclude with the bottlenecks and propose the future development of TERS.