PHOTON-DRIVEN REDUCTION REACTIONS ON SILVER

被引：19

作者：

KOSTECKI, R

AUGUSTYNSKI, J

机构：

[1] Département de Chimie Minérale Analytique et Appliquée, Université de Genève, Genève 4

来源：

JOURNAL OF APPLIED ELECTROCHEMISTRY | 1993年 / 23卷 / 06期

关键词：

D O I：

10.1007/BF00721947

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Irradiation of a polycrystalline silver electrode with near-u.v./visible light in solutions containing either dissolved carbon dioxide or nitrate ions produces strong enhancement of the cathodic current. Maximum photocurrent efficiency is observed for the photon energies of about 3.5 eV characteristic of surface plasmons on silver. In the presence of carbon dioxide in solution, the electrode illumination not only increases the rate of CO2 to CO reduction but also shifts the onset of the CO production by about 0.5 V to less cathodic potentials.

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页码：567 / 572

页数：6

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