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17 May 2011 In-situ preparation of PEDOT/V2O5 nanocomposite and its synergism for enhanced capacitive behavior
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Abstract
Synthesis of poly (3,4-ethylenedioxythiophene)/V2O5 (PEDOT/V2O5) by in-situ oxidation of monomer (3,4-ethylenedioxythiophene) into crystalline nanostrip V2O5 using microwave hydrothermal technique is reported. The synthesized compounds are characterized by powder XRD, IR spectra, four probe conductivity and thermal analysis (TGA/DTA).The interlayer spacing of V2O5 upon intercalation of the polymer expands from 4.3 to 14 Å as observed in powder X-ray diffraction by exfoliation and restacking of the layers. The morphological changes of the compounds are further investigated using FE-SEM. The electrochemical properties are studied by CV and galvanostatic charge-discharge cycling. The initial SC of PEDOT/V2O5 (237 F g-1) is higher than that of either pristine V2O5 or PEDOT indicating the synergic effect of the nanocomposites.
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P. Ragupathy, H. N. Vasan, N. Munichandraiah, and N. Vasanthacharya "In-situ preparation of PEDOT/V2O5 nanocomposite and its synergism for enhanced capacitive behavior", Proc. SPIE 8035, Energy Harvesting and Storage: Materials, Devices, and Applications II, 80350I (17 May 2011); https://doi.org/10.1117/12.887682
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