Self-assembly and Photovoltaic Property of Covalent-attached Multiplayer Films Based on Poly[(4-carboxyphenyl)acetylene] and Diazoresin

Chem. J. Chinese Universities ›› 2002, Vol. 23 ›› Issue (6): 1202.

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Self-assembly and Photovoltaic Property of Covalent-attached Multiplayer Films Based on Poly[(4-carboxyphenyl)acetylene] and Diazoresin

YAO Gui-Jun¹, DONG Yu-Ping¹, CAO Ting-Bing², YANG Shu-Ming³, Jacky-Wing-Yip-Lam⁴, TANG Ben-Zhong⁴

1. College of Chemical Engineering & Materials Science, Beijing Institute of Technology, Beijing 100081, China;
2. College of Chemistry and Molecular Engineering, Beijing 100871, China;
3. State Key Laboratory of Rare Materials Chemistry and Application, Peking University, Beijing 100871, China;
4. Department of Chemistry, HongKong University of Science&Technology, Hong Kong, China

Received:2002-01-10 Online:2002-06-24 Published:2002-06-24

Abstract

Abstract: Anovel multiplayer film was assembled from poly[(4-carboxyphenyl)acetylene](PCPA) and diazoresin(DR) in aqueous solution via electrostatic attraction. Under UVirradiation, following the decomposition of diazonium group between the adjacent interfaces of the multiplayers, the ionic bonds of the self-assembly film convert to covalent bonds and the film becomes very stable toward electrolyte solutions. Thus the photoelectric conversion property of poly[(4-carboxyphenyl)acetylene] containing film can be measured in conventional three-electrode photoelectrochemical cell, and 0.5 mol/L KCl solution can be used as the supporting electrolyte. The photocurrent spectroscopy responses coincide with the absorption spectrum of the irradiated self-assembly film, which indicates that the irradiated DR/PCPAfilm is responsible for the photocurrent generation.

Key words: Diazoresin, Poly[(4-carboxyphenyl]acetylene), Self-assembly, Photovoltaic conversion

CLC Number:

O631

TrendMD:

YAO Gui-Jun, DONG Yu-Ping, CAO Ting-Bing, YANG Shu-Ming, Jacky-Wing-Yip-Lam, TANG Ben-Zhong . Self-assembly and Photovoltaic Property of Covalent-attached Multiplayer Films Based on Poly[(4-carboxyphenyl)acetylene] and Diazoresin[J]. Chem. J. Chinese Universities, 2002, 23(6): 1202.

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Self-assembly and Photovoltaic Property of Covalent-attached Multiplayer Films Based on Poly[(4-carboxyphenyl)acetylene] and Diazoresin

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