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Pure Appl. Chem., 2011, Vol. 83, No. 2, pp. 345-358

Published online 2010-10-08

Electroanalytical applications of nanocomposites from conducting polymers and metallic nanoparticles prepared by layer-by-layer deposition

Vessela Tsakova1*, Svetlozar Ivanov1, Ulrich Lange2, Aneliya Stoyanova1, Vladimir Lyutov1 and Vladimir M. Mirsky3

1 Institute of Physical Chemistry, Bulgarian Academy of Sciences, Sofia, Bulgaria
2 Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, Regensburg, Germany
3 Department of Nanobiotechnology, Lausitz University of Applied Sciences, Senftenberg, Germany

Abstract: Layer-by-layer (LbL) deposition is a convenient technique for the formation of ultra-thin nanocomposite layers containing metallic nanoparticles (NPs) and conducting polymers (CPs). The advantages of this approach for producing composite layers suitable for electroanalytical applications are discussed. Examples of electroanalytical applications of LbL‑deposited composites are presented. Composite layers consisting of polyaniline (PANI) and Pd NPs are used for hydrazine oxidation. The PANI–Au NPs system is applied for dopamine (DA) and uric acid (UA) oxidation.