钒氧酞菁薄膜瞬态光电压性能的研究

doi:10.7517/j.issn.1674-0475.2002.02.96

影像科学与光化学 ›› 2002, Vol. 20 ›› Issue (2): 96-99.DOI: 10.7517/j.issn.1674-0475.2002.02.96

钒氧酞菁薄膜瞬态光电压性能的研究

张青¹, 黄德音¹, 刘燕刚¹, 薛敏钊¹, 陈凌冰²

1. 上海交通大学, 化学化工学院, 上海, 200030;
2. 复旦大学, 物理系, 上海, 200433

收稿日期:2001-04-13 修回日期:2001-11-05 出版日期:2002-03-23 发布日期:2002-03-23
通讯作者: 黄德音
基金资助:
国家自然科学基金资助项目(69677003)

SYNTHESIS OF VANADYL PHTHALOCYANINE AND STUDY ON STRUCTURES AND PHOTOVOLTAIC PROPERTIES OF ITS FILMS

ZHANG Qing¹, HUANG DE yin¹, LIU Yan-gang¹, XUE Min-zhao¹, CHEN Ling-bing ²

1. School of Chemistry and Chemical Engineering, Shanghai Jiaotong University, Shanghai 200030, P.R.China;
2. Department of physics, Fudan University, Shanghai 200433, P.R.

Received:2001-04-13 Revised:2001-11-05 Online:2002-03-23 Published:2002-03-23

摘要/Abstract

摘要： 本文分别用1064nm, 532nm和 355nm激发波长的YAG脉冲激光对所制备的phase Ⅱ结构钒氧酞菁膜Al\phase ⅡVOPc\ITO夹心电池进行瞬态光电压响应研究.随着3种波长激发光脉冲强度的增加, 瞬态光电压信号均增强. 激发光波长1064nm、532nm处于酞菁膜Q-带吸收区肩部, 光电压的极性与激发光入射方向无关, 均为负信号; 而激发光波长 355nm处于酞菁膜B-带, 光电压的极性与激发光入射方向有关, 从ITO极方向激发产生正电压信号, 从A1极激发产生负电压信号. 激发光波长对夹心电池的光电压产生有明显的作用, 光电压产生过程中应存在不同的机理. 这与前文^[1]对同一夹心电池稳态光电压响应研究所推断的结论一致.

关键词: 钒氧酞菁, 光电压, 有机染料膜, 夹心电池

Abstract: The transient photovoltaic response of the Al\phase Ⅱ VOPc\ITO sandwich cell excited by pulse laser beam of 355 nm,532 nm,1 064 nm wavelength at different intensities were investigated in this paper.It has been found that the magnitude of the transient photovoltaic peaks of the cell increased with increasing the intensity of the incident light.Both under illumination of 532 nm pulse laser and 1 064 nm pulse laser,the cell gave only negative photovoltaic signal with no relations to the direction of the incident light.On the contrary,under illumination of 355 nm pulse laser,the polarity of the photovoltaic response depended on the direction of the incident light.It was negative when the VOPc film was illuminated through aluminum eletrode,while positive when the VOPc film was illuminated through ITO eletrode.This confirmed our conclusion from the investigation on steady state cw(continious wavelength)photovoltage response of the cells in the former paper,that there were two different mechanisms for the photovoltaic response of Al\phase Ⅱ VOPc\ITO sandwich cell.

Key words: vanadyl phthalocyanine, transient photovoltage, organic dye film, sandwich cell

中图分类号:

张青, 黄德音, 刘燕刚, 薛敏钊, 陈凌冰. 钒氧酞菁薄膜瞬态光电压性能的研究[J]. 影像科学与光化学, 2002, 20(2): 96-99.

ZHANG Qing, HUANG DE yin, LIU Yan-gang, XUE Min-zhao, CHEN Ling-bing . SYNTHESIS OF VANADYL PHTHALOCYANINE AND STUDY ON STRUCTURES AND PHOTOVOLTAIC PROPERTIES OF ITS FILMS[J]. Imaging Science and Photochemistry, 2002, 20(2): 96-99.

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钒氧酞菁薄膜瞬态光电压性能的研究

SYNTHESIS OF VANADYL PHTHALOCYANINE AND STUDY ON STRUCTURES AND PHOTOVOLTAIC PROPERTIES OF ITS FILMS

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