Electrochemical Properties of Nickel Oxide Nanoparticles Loaded Poly(o-toluidine) Composites
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New nanocomposites, composed of poly(o-toludine) (POT) and nickel oxide nanoparticles (NiO-NPs), were prepared through oxidative polymerization of o-toludine (OT) in the presence of NiO-NPs. Films of NiO/POT were prepared with different amount of NiO-NPs (x) and different concentrations of OT (y) and designated as NiO(x)/POT(y) nanocomposites (x = amount of NiO-NPs (mg), y = concentration of OT (mM)). Field emission scanning electron microscopy images revealed that NiO-NP_s have nanorod like morphology. The two peaks, 0.39 V and 0.77V,are attributed to the redox conversion of leucoemeraldine to emeraldine and emeraldine to fully oxidized forms of POT, respectively. Electroactivity of the NiO(x)/POT(y) films showed dependence on x and y. Efficient electrocatalysts could be obtained by tuning x and y.
Abstract
New nanocomposites, composed of poly(o-toludine) (POT) and nickel oxide nanoparticles (NiO-NPs), were prepared through oxidative polymerization of o-toludine (OT) in the presence of NiO-NPs. Films of NiO/POT were prepared with different amount of NiO-NPs (x) and different concentrations of OT (y) and designated as NiO(x)/POT(y) nanocomposites (x = amount of NiO-NPs (mg), y = concentration of OT (mM)). Field emission scanning electron microscopy images revealed that NiO-NP_s have nanorod like morphology. The two peaks, 0.39 V and 0.77V,are attributed to the redox conversion of leucoemeraldine to emeraldine and emeraldine to fully oxidized forms of POT, respectively. Electroactivity of the NiO(x)/POT(y) films showed dependence on x and y. Efficient electrocatalysts could be obtained by tuning x and y.
참고문헌 (22)
- J. Huang, "Polyaniline nanofibers: Facile synthesis and chemicalsensors’", J. Am. Chem. Soc, 125, pp.314~ (2003)
- M. Wohlgenannt, "Formation cross-sections of singlet andtriplet excitons in p-conjugated polymers", Nature, 409, pp.494~ (2001)
- A. Bossi, "An assay for ascorbic acid based on polyanilinecoatedmicroplates", Anal. Chem, 72, pp.4296~ (2000)
- T. Bein, "Conjugated and conducting nanostructures inzeolites’", Stud. Surf. Sci. Catal, 102, pp.295~ (1996)
- Z. Zhang, "Electromagnetic functionalizedpolyaniline nanostructures. Nanotechnology’", Nanotech, 16, pp.2827~ (2005)
- C. Taviot-Gueho, "In situ polymerizationintercalation of polymers in layered double hydroxides’", Structure and Bonding, 119, pp.121~ (2006)
- Y. Min, "Simple approachto synthesis Pt", NiO flower microspheres and their electrocatalyticproperties, 2008, pp.62, 4503~
- V. Rashkova, "Vacuum evaporated thin films of mixed cobalt and nickeloxides as electrocatalyst for oxygen evolution andreduction’", Electrochim. Acta, 47, pp.1555~ (2002)
- N. Parvatikar, "Electrical andhumidity sensing properties of polyaniline", WO3 composites’, 2006, pp.114, 599~
- O. Y. Posudievsky, "12-Phosphomolybdic acid doped polyaniline-V2O5composite’", Synth. Met, 144, pp.107~ (2004)
- Z. W. Pan, "Nanobelts ofsemiconducting oxides’", Science, 291, pp.1947~ (2001)
- M. Law, "Photochemical sensing of NO2 with SnO2 nanoribbonnanosensors at room temperature’", Angew. Chem. Int.Ed, 41, pp.2405~ (2002)
- Z. W. Pan, "Lead oxidenanobelts and phase transformation induced by electronbeam irradiation’", Appl. Phys. Lett, 80, pp.309~ (2002)
- X. H. Xia, "Electrochromic properties of porous NiOthin films prepared by a chemical bath deposition’", Sol.Energy Mater, 92, pp.628~ (2008)
- G. P. Song, "Synthesis of polyaniline", NiO nanobelts by a self-assembly process, 2007, pp.157, 170~
- J. Han, "Synthesis of rectangulartubes of polyaniline", NiO composites, 2006, pp.44, 4429~
- X. Y. Peng, "Electrodepositionof NiOx", PANI composite film and its catalyticproperties towards electrooxidations of polyhydroxylcompounds’, 2007, pp.105, 2260~
- S. Link, "Spectral properties andrelaxation dynamics of surface plasmon electronic oscillationsin gold and silver nano-dots and nano-rods’", J. Phys.Chem. B, 103, pp.8410~ (1999)
- J. Yue, "Effect of sulfonic acid group onpolyaniline backbone’", J Am. Chem. Soc, 113, pp.2665~ (1991)
- K. S. Alva, "Enzymic synthesis and characterization of a novel watersolublepolyaniline: poly(2,5-diaminobenzenesulfonate)’", Macromolecules, 30, pp.4024~ (1997)
- B. J. Johnson, "Electrochemistry of conductivepolymers. XX. Early stages of aniline polymerizationstudied by spectroelectrochemical and rotating ringdisk electrode techniques’", J. Electrochem. Soc, 143, pp.1277~ (1996)
- L. M. Huang, "In situ UVvisiblespectroelectrochemical studies on electrochromicbehavior of poly(2,5-dimethoxy aniline)", Synth. Met, 130, pp.155~ (2002)