Study of Self-assembled Membrane Structure of Binuclear Cobalt Phthalocyaninehexasulfonate by SERS

Chem. J. Chinese Universities

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Study of Self-assembled Membrane Structure of Binuclear Cobalt Phthalocyaninehexasulfonate by SERS

AN Jing, JIA Hui-Ying, ZHAO Bing, YANG Guang-Di, XU Wei-Qing*

State Key Laboratory for Supramolecular Structure and Materials, Jilin University, Changchun 130012, China

Received:2007-06-01 Revised:1900-01-01 Online:2007-12-10 Published:2007-12-10
Contact: XU Wei-Qing

Abstract

Abstract: We selected a Bi-CoPc(binuclear cobalt phthalocyaninehexasulfonate) and 4MPY(4-mercaptopyridine) as the building units. The ordered self-assembly membrane(SAM) of Bi-CoPc was constructed with 4MPY as an axial ligand link via self-assembly method. The structure and orientation of the SAMs were characterized by UV-Vis spectrum, Raman spectrum and SERS spectrum. Through studying the change of SERS spectrum of SAMs, self-assembly mechanism is discussed and the structure of self-assembled membrane is supposed rationally. The results reveal that 4MPY is assembled onto the silver surface, and ligated to Co via 4-position nitrogen along its axial direction. In the SAMs, the Bi-CoPc molecules are arranged slantwise to the substrate of the self-assembled membrane.

Key words: Binuclear cobalt phthalocyaninehexasulfonate, SERS, Self-assembly

CLC Number:

O657.37

TrendMD:

AN Jing, JIA Hui-Ying, ZHAO Bing, YANG Guang-Di, XU Wei-Qing*. Study of Self-assembled Membrane Structure of Binuclear Cobalt Phthalocyaninehexasulfonate by SERS[J]. Chem. J. Chinese Universities, doi: .

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Study of Self-assembled Membrane Structure of Binuclear Cobalt Phthalocyaninehexasulfonate by SERS

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