Studies on the Preparation and Photo-electric Properties of Nanohybrid LB Films of Organometallic Polymer/Octadecylammonium/Heteropolyanions

Acta Chimica Sinica ›› 2005, Vol. 63 ›› Issue (24): 2194-2198. Previous Articles Next Articles

Original Articles

有机金属聚合物/多酸纳米杂化LB膜的制备与光电性质研究

柳利*^,1,3，张刚昇¹，柳士忠*^,1，艾伟河¹，张春梅², 杜祖亮²，黄维扬

(¹湖北大学化学与材料科学学院武汉 430062)
(²河南大学特种功能材料重点实验室开封 475001)
(³香港浸会大学理学院化学系香港)

投稿日期:2005-04-11 修回日期:2005-08-05 发布日期:2005-12-28
通讯作者: 柳利

Studies on the Preparation and Photo-electric Properties of Nanohybrid LB Films of Organometallic Polymer/Octadecylammonium/Heteropolyanions

LIU Li*^,1,3, ZHANG Gang-Sheng¹, LIU Shi-Zhong*^,1, AI Wei-He¹, ZHANG Chun-Mei²,DU Zu-Liang², WONG Wai-Yeung³

(¹ Faculty of Chemistry and Material Science, Hubei University, Wuhan 430062)
(² Key Laboratory of Special Functional Materials, Henan University, Kaifeng 475001)
(³ Department of Chemistry, Faculty of Science, Hong Kong Baptist University, Hong Kong)

Received:2005-04-11 Revised:2005-08-05 Published:2005-12-28
Contact: LIU Li

Abstract

Three new hybrid LB films consisting of organometallic polymers (OMP) containing conjugated large π bond as organic composite, tungsto(molybdo)phosphoric heteropoly acids (HPA, HPA＝PMo₁₂, PW₁₂, P₂Mo₁₈) with Keggin and Dawson structure as inorganic composite, and octadecylammonium (ODA) as auxiliary film forming agent were prepared and characterized by π-A isotherms, UV-vis absorption spectra, fluorescence spectra, atomic force microscopy, scanning tunneling microscopy, and surface photovoltage spectroscopy. The experimental results indicate that the collapse pressure of the title nanohybrid LB films was 26.8 mN/m. The fluorescence spectra showed that strong emission of OMP appeared in the films and the title LB films also had strong photoelectric response. Tunneling current was －0.1～－2.3 nA, when voltage was ±8.0 V.

Key words: polyoxometalate, organometallic polymer, Langmuir-Blodgett film, preparation, photo-electric property

Cite this article

LIU Li*^,1,3, ZHANG Gang-Sheng, LIU Shi-Zhong*^,1, AI Wei-He, ZHANG Chun-Mei²,DU Zu-Liang², WONG Wai-Yeung³. Studies on the Preparation and Photo-electric Properties of Nanohybrid LB Films of Organometallic Polymer/Octadecylammonium/Heteropolyanions[J]. Acta Chimica Sinica, 2005, 63(24): 2194-2198.

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有机金属聚合物/多酸纳米杂化LB膜的制备与光电性质研究

Studies on the Preparation and Photo-electric Properties of Nanohybrid LB Films of Organometallic Polymer/Octadecylammonium/Heteropolyanions

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