TY - JOUR
T1 - Organic-inorganic hybrid materials based on polyaniline/TiO2 nanocomposites for ascorbic acid fuel cell systems
AU - Ganesan, Raman
AU - Gedanken, Aharon
PY - 2008/10/22
Y1 - 2008/10/22
N2 - Polyaniline was grafted onto a mixture of rutile and anatase TiO 2 nanoparticles by in situ chemical oxidative polymerization. These nanocomposites were characterized by carbon, hydrogen and nitrogen (CHN) analysis, x-ray diffraction (XRD), Fourier transform infrared (FTIR), ultraviolet-visible (UV-vis), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analysis. FTIR and UV-vis confirm the formation of polyaniline on TiO2 nanoparticles. The TEM shows that the composites consist of PANI and TiO2 nanoparticles. Compared to the neat polyaniline, PANI/TiO2 composites show a higher capacitance and also a higher activity per mass of polyaniline. Since the PANI/TiO 2 composites are stable during the electrooxidation of ascorbic acid, they can be used as an alternative catalyst for direct ascorbic acid fuel cells.
AB - Polyaniline was grafted onto a mixture of rutile and anatase TiO 2 nanoparticles by in situ chemical oxidative polymerization. These nanocomposites were characterized by carbon, hydrogen and nitrogen (CHN) analysis, x-ray diffraction (XRD), Fourier transform infrared (FTIR), ultraviolet-visible (UV-vis), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analysis. FTIR and UV-vis confirm the formation of polyaniline on TiO2 nanoparticles. The TEM shows that the composites consist of PANI and TiO2 nanoparticles. Compared to the neat polyaniline, PANI/TiO2 composites show a higher capacitance and also a higher activity per mass of polyaniline. Since the PANI/TiO 2 composites are stable during the electrooxidation of ascorbic acid, they can be used as an alternative catalyst for direct ascorbic acid fuel cells.
UR - http://www.scopus.com/inward/record.url?scp=56349098326&partnerID=8YFLogxK
U2 - 10.1088/0957-4484/19/43/435709
DO - 10.1088/0957-4484/19/43/435709
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AN - SCOPUS:56349098326
SN - 0957-4484
VL - 19
JO - Nanotechnology
JF - Nanotechnology
IS - 43
M1 - 435709
ER -