| 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 |
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| 引用本文： | 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, 70(4): 441-444 |
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| 作者姓名： | 高丽华 张金凤 孙庆玲 王科志 |
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| 作者单位： | 1. 北京工商大学理学院化学系,北京,100048
2. 北京师范大学化学学院,北京,100875 |
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| 基金项目： | 国家自然科学基金，北京市自然科学基金，北京工商大学研究生科学创新基金 |
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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.
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| 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 |
Preparation and Photoelectric Conversion of Dipolar Hemicyanine Dye/Polyoxometalate Self-Assembled Films |
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| Affiliation: | Gao,Lihua,a Zhang,Jinfenga Sun,Qinglinga Wang,Kezhib(a Department of Chemistry,School of Science,Beijing Technology and Business University,Beijing 100048)(b College of Chemistry,Beijing Normal University,Beijing 100875) |
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| 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 spec-troscopy 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. |
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| Keywords: | hemicyanine polyoxometalate self-assembled film UV-Vis spectroscopy photoelectric conversion |
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