Self-Assembly Films of Poly(Diazosulfonate Styrene)/Tetra-Trimethylamino-Porphyrin and Their Photoelectron Conversion Properties

doi:10.7517/j.issn.1674-0475.2007.02.136

Imaging Science and Photochemistry ›› 2007, Vol. 25 ›› Issue (2): 136-141.DOI: 10.7517/j.issn.1674-0475.2007.02.136

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Self-Assembly Films of Poly(Diazosulfonate Styrene)/Tetra-Trimethylamino-Porphyrin and Their Photoelectron Conversion Properties

YANG Zhao-hui, ZHANG Mao-feng, CAO Wei-xiao

The Key lab of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China

Received:2006-09-14 Revised:2006-11-03 Online:2007-03-23 Published:2007-03-23

Abstract

Abstract: Poly(diazosulfonate styrene)(PDSS) was synthesized with reaction of poly(diazonium styrene)(PDS) and Na₂SO₃ in an alkali aqueous solution.As an anionic polyelectrolyte PDSS can self-assemble(SA) with tetra-trimethylaminophenylporphyrin(TTMAP) layer-by-layer via ionic interaction. Under UV irradiation the ionic bonds of the film convert into covalent bonds resulting in the film becoming very stable towards polar solvents or salty aqueous solutions and can determine its photocurrent directly in KCl aqueous solution.The results show that the film possesses good photoelectron conversion properties.

Key words: poly(diazo-sulfonate styrene), tetra-trimethylaminophenylporphyrin, self-assemble, photo-electron conversion

CLC Number:

YANG Zhao-hui, ZHANG Mao-feng, CAO Wei-xiao. Self-Assembly Films of Poly(Diazosulfonate Styrene)/Tetra-Trimethylamino-Porphyrin and Their Photoelectron Conversion Properties[J]. Imaging Science and Photochemistry, 2007, 25(2): 136-141.

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Self-Assembly Films of Poly(Diazosulfonate Styrene)/Tetra-Trimethylamino-Porphyrin and Their Photoelectron Conversion Properties

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