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SERS of 7-azaindole adsorbed on Ag doped sol–gel film and Ag sol: a comparative investigation

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Abstract

Surface enhanced Raman scattering (SERS) studies have been undertaken on Ag doped sol–gel derived film with 7-azaindole (7-AI) used as the reference compound. The enhancement factor in the film is comparable with the result of the chloride aggregated silver citrate sol. Along with the spectral observation and assignments of the frequencies, the significance of colloidal sol–gel film in which the size of the metal is in the dimensions of nanometers have been discussed.

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Acknowledgments

Authors thank Prof. Umapathy, S. Sampath of IPC, I.I.Sc., Bangalore, and Lawrence Dsouza for providing him with the necessary facilities to carry out this work.

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Authors and Affiliations

  1. Department of Chemistry, Annamalai University, Annamalainagar, Chidambaram, 608002, Tamil Nadu, India

    Balakrishnan Karthikeyan

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  1. Balakrishnan Karthikeyan
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Correspondence to Balakrishnan Karthikeyan.

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Karthikeyan, B. SERS of 7-azaindole adsorbed on Ag doped sol–gel film and Ag sol: a comparative investigation. J Sol-Gel Sci Technol 45, 79–82 (2008). https://doi.org/10.1007/s10971-007-1652-5

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  • DOI: https://doi.org/10.1007/s10971-007-1652-5

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