Journal
LANGMUIR
Volume 25, Issue 14, Pages 8036-8041Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la900502y
Keywords
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Funding
- Agence Nationale de la Recherche (ANR)
- Institut National Polytechnique de Grenoble [BQR 2006]
- Centre National de la Recherche Scientifique (CNRS)
- Nord-Pas-de Calais region
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This paper reports on the preparation of silver/antimony-doped tin oxide (Ag/SnO2:Sb) hybrid interfaces using magnetron sputtering and their characterization. The influence of the Sri target composition (doping with 2 or 5% Sb) on the electrochemical and electrical characteristics of the hybrid interface wits investigated using X-ray photoelectron spectroscopy (XPS), sheet resistance measurements, cyclic voltammetry, scanning tunneling microscopy (STM) and surface plasmon resonance (SPR). The best interface in terms of electrical conductivity and SPR signal is a hybrid interface with a 8.5 +/- 0.3 nm thick SnO2:Sb layer obtained from a Sri target with 2% Sb deposited on 38 nm thick silver film. Different strategies to link functional groups onto the Ag/SnO2:Sb interface are also presented.
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