Study of electrogenerated reactants using optically transparent electrodes
Study of electrogenerated reactants using optically transparent electrodes
复制标题
使用光学透明电极研究电生反应物
DOI:
10.1021/ar50103a001
复制
发表时间:
1976
影响因子:
18.3
通讯作者:
W. Heineman
中科院分区:
文献类型:
--
作者:
T. Kuwana;W. Heineman
In 1964 the use of an optically transparent electrode (OTE) for the in situ spectral observation of an electrogenerated product by light passing through the electrode was experimentally dem0nstrated.l This idea of an OTE evolved from an earlier remark by Professor R. N. Adams to the effect, “wouldn’t it be nice to have a ‘see-through’ electrode to spectrally identify the colored species being formed”.2 OTE’s have been developed now to the point where it is relatively easy to optically examine an electrogenerated species for identification or characterization purposes. Also, the analysis of the shape of the optical absorbance as a function of time during some electrochemical perturbation can greatly assist in evaluating the mechanism and kinetics of these species. The first OTE consisted of a glass surface which had been coated with a thin transparent film of antimonydoped tin oxide (Nesa glass). It was used for both transmission and internal reflection spectroelectrochemical experiment^.^?^ Other OTE’s such as germanium plates for infrared,425 thin platinum films “painted” on glass,” minigrids (thin wire screens)? and vapor-deposited metal films on transparent substrates8-12 have been reported. During the past 10 years, progress in OTE spectroelectrochemistry has included: (1) development and characterization of a variety of OTE and spectroelectrochemical cells; development of high sensitivity, optical monitoring systems including computer signal averaging and rapid scanning spectrophotometers; (2) computer analysis of optical absorbance ( A ) vs. time ( t )