Electrostatically self-assembled films containing II-VI semiconductor nanoparticles: Optical and electrical properties

NABOK, A. V., TSARGORODSKAYA, A., HASSAN, A. K. and DAVIS, F. (2008). Electrostatically self-assembled films containing II-VI semiconductor nanoparticles: Optical and electrical properties. Thin Solid Films, 516 (24), 8917-8925.

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Link to published version:: https://doi.org/10.1016/j.tsf.2007.11.067
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    Abstract

    US and ZnS semiconducting colloid nanoparticles were deposited as thin films using the technique of electrostatic self-assembly. The process of alternative deposition of Poly-allylamine Hydrochloride (PAH) and CdS (or ZnS) layers were monitored with a novel optical method of total internal reflection ellipsometry (TIRE). The fitting of TIRE spectra allowed the evaluation of the parameter (thickness, refractive index and extinction coefficients) of all consecutively deposited layers. 1-V characteristics of the films obtained were studied in sandwich structures on Indium Tin Oxide (ITO) conductive electrodes using the mercury probe technique. The presence of US (or ZnS) nanoparticles in the polyelectrolyte films leads to a switching behaviour, which may be attributed to the resonance electron tunneling via semiconducting nanoparticles. (c) 2008 Elsevier B.V. All rights reserved.

    Item Type: Article
    Additional Information: 10th European Conference on Organised Films (ECOF-10) AUG 21-24, 2006, Riga, LATVIA
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group
    Identification Number: https://doi.org/10.1016/j.tsf.2007.11.067
    Page Range: 8917-8925
    Depositing User: Ann Betterton
    Date Deposited: 30 Mar 2010 16:10
    Last Modified: 13 Jun 2017 12:46
    URI: http://shura.shu.ac.uk/id/eprint/1452

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