Ultraviolet-visible and Surface-enhanced Raman Scattering Spectroscopy Studies on Ruthenium Phthalocyanine Monolayer Films Formed on Terephthalonitrile-modified Silver Substrates

Chemical Research in Chinese Universities ›› 2004, Vol. 20 ›› Issue (3): 345-349.

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Ultraviolet-visible and Surface-enhanced Raman Scattering Spectroscopy Studies on Ruthenium Phthalocyanine Monolayer Films Formed on Terephthalonitrile-modified Silver Substrates

LI Xiao-ling¹, XU Wei-qing¹, JIA Hui-ying¹, WANG Xu¹, ZHAO Bing¹, LI Bo-fu¹, OZAKI Yukihiro²

1. Key Laboratory for Supramolecular Structure and Materials of Ministry of Education, Jilin University, Changchun 130023, P. R. China;
2. Department of Chemistry, School of Science and Technology, Kwansei-Gakuin University, Sanda Hyogo 669-1337, Japan

Received:2003-05-02 Online:2004-06-24 Published:2011-08-06
Supported by:
Supported by the National Natural Science Foundation of China(No.20173019, 20273022).

Abstract

Abstract: A self-assembled monolayer film(SAM) of ruthenium phthalocyanine(RuPc) fabricated on a silver substrate premodified with an SAM of terephthalonitrile(TPN) was studied by means of surface-enhanced Raman scattering(SERS) and ultraviolet-visible(UV-Vis) spectroscopies. TPN was used as a ligand to link RuPc since it can not only modify the silver substrate but also deliver the nitrile groups protruding from the silver surface. Therefore, we can explore the relationship between the structure and the orientation of RuPc and the TPN-modified substrate. The UV-Vis spectra indicate a strong interaction between RuPc and TPN in the composite film. The result is further confirmed by the SERS spectra of RuPc-TPN SAM, in which the vibrational bands arising from both the RuPc and TPN moieties appear clearly, indicating that the RuPc is successfully assembled on the TPN film.

Key words: Self-assembly, Phthalocyanine, Surface-enhanced Raman scattering

LI Xiao-ling, XU Wei-qing, JIA Hui-ying, WANG Xu, ZHAO Bing, LI Bo-fu, OZAKI Yukihiro. Ultraviolet-visible and Surface-enhanced Raman Scattering Spectroscopy Studies on Ruthenium Phthalocyanine Monolayer Films Formed on Terephthalonitrile-modified Silver Substrates[J]. Chemical Research in Chinese Universities, 2004, 20(3): 345-349.

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Ultraviolet-visible and Surface-enhanced Raman Scattering Spectroscopy Studies on Ruthenium Phthalocyanine Monolayer Films Formed on Terephthalonitrile-modified Silver Substrates

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