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Recent advances in Raman spectroelectrochemistry on single-crystal surfaces

Science China Chemistry 2023年第12期66卷 3360-3371页

作者： Quan-Feng He Jia Yu Jin-Chao Dong Jian-Feng Li State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringCollege of EnergyiChEMXiamen UniversityXiamen 361005China Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM) Xiamen 361005China Beijing National Laboratory for Molecular Sciences CAS Research/Education Center for Excellence in Molecular SciencesCAS Key Laboratory of Molecular Nanostructure and NanotechnologyInstitute of ChemistryChinese Academy of SciencesUniversity of Chinese Academy of SciencesBeijing 100190China

Benefiting from a principally contaminant-free and well-defined surface,single-crystal electrodes offer new insights into interfacial processes and are important in *** early impetus for using single-crystal electrodes in electrocatalysis was to investigate the surface structure at the atomic level for the reactions that are sensitive to the *** studies were usually performed in an ultra-high vacuum with atomic force microscopy(AFM),scanning tunneling microscope(STM),and X-ray methods to avoid the ***,such characterizations are limited in their ability to identify chemical species definitively,a limitation that has similarly plagued the study of *** advances in shellisolated nanoparticle-enhanced Raman spectroscopy(SHINERS)have enabled the detection of reaction intermediates on singlecrystal electrodes,in which shell-isolated nanoparticles on the single-crystal electrode can enhance the Raman signal from the surface,without changing the surface structure and electrochemical ***,this work aims to review recent advances in Raman spectroelectrochemical studies on single-crystal electrode *** discussion focuses on how SHINERS technology has enabled the effective detection of intermediate species and,when combined with the electrochemical method,has yielded novel insights into the dynamic evolution of surface structure and electrocatalytic reaction ***,the challenges and future of single-crystal electrodes are introduced.

关键词： single-crystal electrode shell-isolated nanoparticle-enhanced Raman spectroscopy interfacial structures adsorption

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Shell-isolated Nanoparticle-enhanced Raman Spectroscopy towards In-Situ Investigating of Interfacial Structure

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Chinese Journal of Structural Chemistry 2020年第8期39卷 1372-1376,1357页

作者：张月皎 RADJENOVIC Petar M 李剑锋 College of Energy State Key Laboratory for Physical Chemistry of Solid SurfacesCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China

Since the discovery of surface-enhanced Raman spectroscopy(SERS),it has been rapidly applied to the in situ study of electrochemical ***-isolated nanoparticle-enhanced Raman spectroscopy(SHINERS)stands out as one of the most powerful tools for the in situ study of interfacial structures,especially on well-defined single crystal *** perspective paper focuses on the study of interfacial structures with the SHINERS technique,including the electronic structure of heterogeneous metal surfaces,and the detection of molecules absorbed on the surface,as well as intermediate species,during electrochemical ***,we present an outlook on future research and development of SHINERS for studying interfacial structures.

关键词： SHINERS single-crystal electrode spectroelectrochemistry interface structure in-situ

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