长光程双薄层光谱电化学池的研制

本文报告了一种长光程双薄层光谱电化学池的设计和制作方法。测定了它的主要性能指标。因为光轴与电极溶液界面平行而邻近，所以该电池具有长的光程（约１ｃｍ），而且可用不透光的导体材料作为工作电极。透光的溶液薄层由工作电极薄片分为两层，因此，光的透过率增加一倍。电池的光电化学响应特性用Ｆｅ（ＣＮ）~３－＿６ｇ／Ｆｅ（ＣＮ）~４＿６作为测试物质，测量了它的循环伏安曲线和循环伏安吸收曲线及稳态电势阶跃曲线。

The Development of a Two Thin Layers Spectroelectrochemical Cell with Long Optical Path Length

This paper reports a method of designing and making a two-thin-layersspectroelectrochemical cell with long optical path length.Its fundamental properties havebeen determined.Because the optical axis is parallel and adjacent to electrode/solution in terface,this cell has a long optical path length(1cm),and the opaque conductive materials canbe used for the working electrode.The optical transparent layer of solution have been divided into two thin-layers by a thin piece of working electrode,therefore,the optical transmittance has been increased by 200 per cent.The optical and electrochemical responses of the cell, using fern/ferrocyanide as the testspecies,are described for cyclic voltammetry, cyclic voltabsorptometry,and steady-statepotential step measurements.