物理化学学报 >> 1991, Vol. 7 >> Issue (02): 238-241.doi: 10.3866/PKU.WHXB19910223

研究简报 上一篇    下一篇

对四-2,3-吡啶并紫菜嗪铬的薄膜电极的光电化学研究

杨迈之; Marc DE Backer   

  1. 北京大学化学系,北京 100871;法国国家科研中心CNRS U. A. 253 表面与界面实验室
  • 收稿日期:1989-11-04 修回日期:1990-10-09 发布日期:1991-04-15

A Study of Photoelectrochemical Properties of Thin Film of Chromium Tetra-2,3-Pyridinoporphyrazine

Yang Mai-Zhi; Marc DE Backer   

  1. Chemistry Department of Peking University, Beijing 100871; CNRS U.S. 253 Surface and Interface Lab., LILLE, France
  • Received:1989-11-04 Revised:1990-10-09 Published:1991-04-15

关键词: 光电化学, 光电流, 原位光致发光

Abstract: Photocurrent spectra and photoluminescence measurements of the electrode covered by a thin film of chromium tetra-2,3-pyridinoporphyrazine by conventional 3-electrode system method have been performed. The cathodic photocurrent has been measured. The shape of the photocurrent spectrum is similar to that of photoluminescence spectrum. Their intensities change as a function of the applied potential. Two photoluminescence peaks are located at about 470 nm and 520 nm. The results indicate that the thin film behaves like a p-type semiconductor with a band gap width of about 2 eV.

Key words: Photoelectrochemistry, Photocurrent, in situ photoluminescence