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Occurrence of single-electron phenomenon in CdS nanoclusters in Langmuir-Blodgett films ofn-octadecyl succinic acid

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Abstract

Cadmium complex ofn-octadecyl succinic acid (ODSA) in Langmuir films at air/water interface has been studied using surface pressure-molecular area (π - A) and surface potential-molecular area (ΔV - A) isotherms. The metal complex formed, transferred as LB film onto solid substrates, was analysed using FT-IR and was subjected to sulphidation reaction. Antisymmetric and symmetric carboxylate stretching vibrations have been used to determine the nature of the ODSA/cation complexes. CdS formed after sulphidation of the cadmium complex (ODSACd) showed possible single-electron phenomenon indicating the nanosized nature of clusters formed. Atomic Force Microscopy (AFM) measurements carried out confirmed the size of these CdS clusters.

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Authors and Affiliations

  1. Chemical Lab, Central Leather Research Institute, Adyar, 600 020, Chennai, India

    G. Hemakanthi & Aruna Dhathathreyan

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  1. G. Hemakanthi
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  2. Aruna Dhathathreyan
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Correspondence to Aruna Dhathathreyan.

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Hemakanthi, G., Dhathathreyan, A. Occurrence of single-electron phenomenon in CdS nanoclusters in Langmuir-Blodgett films ofn-octadecyl succinic acid. J Chem Sci 114, 487–494 (2002). https://doi.org/10.1007/BF02704192

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  • DOI: https://doi.org/10.1007/BF02704192

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