The SurFace Raman Spectroscopic Study of Small Organinc Molecules at Roughened Platinum Electrodes

有机小分子在粗糙铂电极上表面拉曼光谱的初步研究李筱琴任斌佘春兴田中群（厦门大学固体表面物理化学国家重点实验室化学系物理化学研究所361005）THESurfACErAMAnSPECTrOSCOPICSTudyOfSMAlOrgAnInCMOlECu...Abstract Combining a conFocal Raman microscope with sepciFic roughening procedure, we are able to obtain surFace Raman spectra of dissociative adsorption of small organic molecules at roughened Pt electrodes.The results reveal that the electrocatalytic oxidation mechanisms For these molecules at roughened Pt electrodes are diFFerent From those at single crystalling or smooth Pt electrodes.国家自然科学基金;国家教委资

电化学原位拉曼光谱的应用及进展

常规电化学研究方法是以电信号为激励和检测手段，它提供的是电化学体系的各种微观信息的总和，难以准确地鉴别复杂体系的各反应物、中间物和产物，并解释电化学反应机理．近年来，由谱学方法（以光为激励和检测手段）与常规电化学方法相结合产生的谱学电化学技术得到迅速...作者联系地址：厦门大学化学系固体表面物理化学国家重点实验

Raman Spectroscopic Investigation of the Coadsorption of Pyridine and Hydrogen (or Oxygen Containing Species) at Roughened Platinum Electrodes

拉曼光谱研究粗糙铂电极表面吡啶和氢（或含氧物种）的共吸附蔡文斌任斌佘春兴田中群（固体表面物理化学国家重点实验室厦门大学化学系物理化学研究所厦门361005）rAMAnSPECTrOSCOPICInVESTIgATIOnOfTHECOAdSOrPTI...Abstract Raman spectroscopic investigation of the competitive coadsorption of pyridine and H (or O containing species) at a roughened Pt elecrode is reported.The experimental results show that the relative Raman intensiy of the two coadsorbed species depends on the potential.Pronounced irrversibility has been Found For the coadsorption behavior of O containing species, in contrast to the lack of this eFFect For overpotential depostied(OPD)H.中国博士后科学基

电化学原位拉曼光谱的应用及进展

通讯联系人：田中群The applicat ion of in_situ Raman spect roscopy , part icularly surface enhanced Raman spectroscopy ( SERS) , in electrochemistry is reviewed, including electrosorption, elect roplating,corrosion, conduct ing polymers, batteries and nonaqueous media. Recent w ork on extending Raman study to t ransit ion metal surfaces as w ell as semiconductor surfaces are also outlined. The current advance in SERS study and the prospectus are also given.国家杰出青年科学基金,国家教委跨世纪人才基

各种过渡金属、合金和半导体电极上的表面拉曼光谱

各种过渡金属、合金和半导体电极上的表面拉曼光谱高劲松任斌黄群健王仲权蔡文斌李筱琴刘峰名佘春兴田中群（厦门大学固体表面物理化学国家重点实验室化学系物理化学研究所361005）SurfACErAMAnSPECTrOSCOPyOfTrAnSITIOnME...国家自然科学基金委;国家教委资

拉曼光谱研究Pt电极上欠电位沉积Sn对甲醇氧化的影响

本文采用拉曼光谱研究Ｐｔ电极上欠电位沉积（亚）单原子层的Ｓｎ对甲醇氧化的影响，初步的结果表明，欠电位沉积Ｓｎ促进了Ｐｔ上甲醇的电催化氧化，与纯Ｐｔ电极体系相比较，作为表面毒性中间物的ＣＯ在较负电位下即可被氧化。本文对其可能的机理进行了初步的讨

Pt-Ru电极上的CH_3OH吸附和氧化的电化学拉曼光谱研究

通过在经过特殊表面粗糙的Pt上欠电位沉积不同覆盖度的Ru原子 ,制备出具有表面增强拉曼活性的Pt Ru电极 ,同时利用高灵敏度的共焦显微拉曼光谱仪 ,成功地原位研究了粗糙Pt Ru电极上CH3 OH的解离吸附和氧化过程 .根据在不同电极电位下所获得的表面拉曼谱 ,初步探讨了Pt Ru电极上CH3 OH催化氧化的反应机理