Siswana, MPOzoemena, KIGeraldo, DANyokong, T2012-03-302012-03-302010-08Siswana, MP, Ozoemena, KI, Geraldo, DA and Nyokong, T. 2010. Nanostructured nickel (II) phthalocyanine-MWCNTs as viable nanocomposite platform for electrocatalytic detection of asulam pesticide at neutral pH conditions. Journal of Solid State Electrochemistry, vol. 14(8), pp 1351-13581432-8488http://www.springerlink.com/content/45u06g1uh01u0r70/http://hdl.handle.net/10204/5704Copyright: 2010 Springer. This is an ABSTRACT ONLY. The definitive version is published in Journal of Solid State Electrochemistry, vol. 14(8), pp 1351-1358, DOI: 10.1007/s10008-009-0958-3This work reports for the first time that nanostructured nickel (II) phthalocyanine/multiwalled carbon nanotubes composite supported on a basal plane pyrolytic electrode (NiPcNP/MWCNT-BPPGE) could potentially serve as a viable platform for the sensitive electrocatalytic detection of asulam pesticide at phosphate-buffered solution (pH 7.0 conditions). Comparative electron transfer dynamics, using ferrocyanide/ferricyanide as outer sphere redox probe, were examined and interpreted using the Davies– Compton theoretical framework dealing with voltammetry at spatially heterogeneous electrodes. The NiPcNP/MWCNT-BPPGE exhibits fast electron transport and excellent electrocatalytic behavior toward asulam, with an onset potential of about 150 mV lower than observed for the electrode without MWCNTs or bare BPPGE. Also, NiPcNP/MWCNT-BPPGE displayed good analytical performance for asulam, with a detection limit of 0.285 µM, a linear concentration range of 91–412 µM, and a sensitivity of 44.6 µA mM-1.enAsulamNickel phthalocyanineCyclic voltammetryX-ray photoelectron spectroscopyNanoparticlesCarbon nanotubesArticleSiswana, M., Ozoemena, K., Geraldo, D., & Nyokong, T. (2010). Nanostructured nickel (II) phthalocyanine-MWCNTs as viable nanocomposite platform for electrocatalytic detection of asulam pesticide at neutral pH conditions. http://hdl.handle.net/10204/5704Siswana, MP, KI Ozoemena, DA Geraldo, and T Nyokong "Nanostructured nickel (II) phthalocyanine-MWCNTs as viable nanocomposite platform for electrocatalytic detection of asulam pesticide at neutral pH conditions." (2010) http://hdl.handle.net/10204/5704Siswana M, Ozoemena K, Geraldo D, Nyokong T. Nanostructured nickel (II) phthalocyanine-MWCNTs as viable nanocomposite platform for electrocatalytic detection of asulam pesticide at neutral pH conditions. 2010; http://hdl.handle.net/10204/5704.TY - Article AU - Siswana, MP AU - Ozoemena, KI AU - Geraldo, DA AU - Nyokong, T AB - This work reports for the first time that nanostructured nickel (II) phthalocyanine/multiwalled carbon nanotubes composite supported on a basal plane pyrolytic electrode (NiPcNP/MWCNT-BPPGE) could potentially serve as a viable platform for the sensitive electrocatalytic detection of asulam pesticide at phosphate-buffered solution (pH 7.0 conditions). Comparative electron transfer dynamics, using ferrocyanide/ferricyanide as outer sphere redox probe, were examined and interpreted using the Davies– Compton theoretical framework dealing with voltammetry at spatially heterogeneous electrodes. The NiPcNP/MWCNT-BPPGE exhibits fast electron transport and excellent electrocatalytic behavior toward asulam, with an onset potential of about 150 mV lower than observed for the electrode without MWCNTs or bare BPPGE. Also, NiPcNP/MWCNT-BPPGE displayed good analytical performance for asulam, with a detection limit of 0.285 µM, a linear concentration range of 91–412 µM, and a sensitivity of 44.6 µA mM-1. DA - 2010-08 DB - ResearchSpace DP - CSIR KW - Asulam KW - Nickel phthalocyanine KW - Cyclic voltammetry KW - X-ray photoelectron spectroscopy KW - Nanoparticles KW - Carbon nanotubes LK - https://researchspace.csir.co.za PY - 2010 SM - 1432-8488 T1 - Nanostructured nickel (II) phthalocyanine-MWCNTs as viable nanocomposite platform for electrocatalytic detection of asulam pesticide at neutral pH conditions TI - Nanostructured nickel (II) phthalocyanine-MWCNTs as viable nanocomposite platform for electrocatalytic detection of asulam pesticide at neutral pH conditions UR - http://hdl.handle.net/10204/5704 ER -