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首页> 外文会议>International symposium on progress in surface Raman spectroscopy >Dissociative Adsorption of C_1 Organic Molecules on A Roughened Pt Electrode in Acidic Solution
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Dissociative Adsorption of C_1 Organic Molecules on A Roughened Pt Electrode in Acidic Solution

机译：在酸性溶液中粗糙化Pt电极上的C_1有机分子的解离吸附

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The research of electrocatalytic oxidation of one-carbon organic molecules such as methanol, formaldehyde and formic acid has been faxscinating electrochemists for more than thirty years, owing to its significance in energy conversion and reaction mechanisms, The surface adsorbed species involved in these electrocatalytic reactions, especially reactive and posisoning itnermediates, have been investigated by electrochemical, spectroscopic and other physicochemical methods`(1), However, Raman spectroscopy has hardly been used as a techniqur so far to study the elctrocatalytic oxidation processes of these reactants on Pt electrodes mainly due to its low sensitivity for the surface adsorbed species from that electrode. With an appropriate surface roughening procedure of bare Pt electrodes~(2). to gain the SERS effect and by using a confocal Raman microscope (LabRam I), we are able to obtain good quality surface Raman signal of adsorbed CO as the dissociative product of one-carbon organic molecules on rough Pt electrodes.
机译：一碳有机分子如甲醇，甲醛和甲酸的电催化氧化的研究一直是传感的电化学家超过三十年，由于其在能量转化和反应机制方面的意义，所涉及这些电催化反应的表面吸附物种，特别是通过电化学，光谱和其他物理化学方法（1）研究了反应性和波动的Itnermediat，然而，迄今为止，拉曼光谱难以研究这些反应物对PT电极的基准催化氧化过程的主要原因其对该电极的表面吸附物种的低灵敏度。具有裸PT电极的适当表面粗糙化程序〜（2）。为了获得SERS效应并通过使用共聚焦拉曼显微镜（Labram I），我们能够获得粗糙PT电极上的一碳有机分子的解离产品的良好质量表面拉曼信号。

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