Abstract
Hybrid silver/phosphophomolybdate/polyaniline (Ag/PMo12/PAni) was obtained through one pot synthesis, and then, it was successfully fabricated on the glassy carbon electrode by simple casting method for electrocatalytic reduction of hydrogen peroxide (H2O2). The cyclic voltammetric studies of the Ag/PMo12/PAni hybrid electrode suggest that the electronic properties of the phosphomolybdate are retained even after the formation of hybrid material and in addition effectively electro-catalyzing the reduction of H2O2 with a less negative over potential. The Ag/PMo12/PAni-modified electrode showed the lowest detection limit (750 nM) for H2O2 reduction among the hybrid-modified electrodes already reported with a sensitivity of 4.398 nA μM−1. The prepared hybrid material was well characterized by using UV, XRD and TEM analysis.
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Acknowledgement
The authors thank DST, New Delhi and DEST, Australia for the sanction of INDIA-AUSTRALIAN strategic research fund (INT/AUS/P-1/07 dated 19th Sep 2007) for their collaborative research. In addition, authors thank DST, New Delhi for the sanction of FIST programme (SR/FST/CSI-066/2008, dated 12.01.2009). One of the authors, A. Manivel thanks CSIR, New Delhi for awarding Senior Research Fellowship.
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Manivel, A., Anandan, S. Silver nanoparticles embedded phosphomolybdate–polyaniline hybrid electrode for electrocatalytic reduction of H2O2 . J Solid State Electrochem 15, 153–160 (2011). https://doi.org/10.1007/s10008-010-1080-2
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DOI: https://doi.org/10.1007/s10008-010-1080-2