In-situ preparation of PEDOT/V2O5 nanocomposite and its synergism for enhanced capacitive behavior

P. Ragupathy; H. N. Vasan; N. Munichandraiah; N. Vasanthacharya

doi:10.1117/12.887682

17 May 2011 In-situ preparation of PEDOT/V₂O₅ nanocomposite and its synergism for enhanced capacitive behavior

P. Ragupathy, H. N. Vasan, N. Munichandraiah, N. Vasanthacharya

Proceedings Volume 8035, Energy Harvesting and Storage: Materials, Devices, and Applications II; 80350I (2011) https://doi.org/10.1117/12.887682
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

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.

Citation Download Citation

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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