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2012 , Vol. 0 >Issue 04: 441 - 444

DOI: https://doi.org/10.6023/A1106183

研究论文

双偶极半菁染料/多金属氧酸盐自组装膜的制备及其光电转换性质

  • 高丽华 ,
  • 张金凤 ,
  • 孙庆玲 ,
  • 王科志
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  • a 北京工商大学理学院化学系 北京 100048;
    b 北京师范大学化学学院 北京 100875

收稿日期: 2011-06-18

  修回日期: 2011-08-22

  网络出版日期: 2011-10-25

基金资助

国家自然科学基金(Nos. 20871011, 90922004)、北京市自然科学基金(No. 2092011)和北京工商大学研究生科学创新基金资助项目.

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Preparation and Photoelectric Conversion of Dipolar Hemicyanine Dye/Polyoxometalate Self-Assembled Films

  • Gao Lihua ,
  • Zhang Jinfeng ,
  • Sun Qingling ,
  • Wang Kezhi
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  • a Department of Chemistry, School of Science, Beijing Technology and Business University, Beijing 100048;
    b College of Chemistry, Beijing Normal University, Beijing 100875

Received date: 2011-06-18

  Revised date: 2011-08-22

  Online published: 2011-10-25

Supported by

Supported by the National Natural Science Foundation of China (Nos. 20871011, 90922004), Beijing Municipal Natural Science Foundation (No. 2092011), and Scientific Research Foundation of Graduate School of Beijing Technology and Business University.

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摘要

通过交替吸附多金属氧酸盐K10P2W18Cd4(H2O)2O68 (P2W18Cd4)和双偶极半菁染料(H6), 制备了一种无机-有机杂化的自组装薄膜(P2W18Cd4/H6)n, 通过紫外可见光谱和光电化学对薄膜进行了研究. 结果表明, P2W18Cd4/H6 自组装多层膜可被均匀沉积, 层数可控, 薄膜中半菁染料在可见区的吸收发生红移, 并且薄膜能产生稳定的、较强的光电信号. 研究了偏压、电子给体和电子受体对薄膜光电转换性质的影响.

关键词： 半菁染料; 多金属氧酸盐; 自组装膜; 紫外可见光谱; 光电转换

本文引用格式

高丽华 , 张金凤 , 孙庆玲 , 王科志 . 双偶极半菁染料/多金属氧酸盐自组装膜的制备及其光电转换性质[J]. 化学学报, 2012 , 0(04) : 441 -444 . DOI: 10.6023/A1106183

Abstract

A new inorganic-organic hybrid self-assembled film was prepared by alternative adsorption of polyoxometalate (K10P2W18Cd4(H2O)2O68) and dipolar hemicyanine dye (H6) and studied by UV-Vis spectroscopy and photoelectrochemistry. The film was uniformly deposited with controllable layer number, red-shifted visible absorption band, and stable and large photoelectric signal. The effects of bias voltages, electron donor and electron acceptor on the photocurrent generation were discussed.

Key words： hemicyanine; polyoxometalate; self-assembled film; UV-Vis spectroscopy; photoelectric conversion

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