Bio-molecule templated hydrothermal synthesis of ZnWO4 nanomaterial for high-performance supercapacitor electrode application
| Autor: | J. Yesuraj, S. Austin Suthanthiraraj |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Supercapacitor
010405 organic chemistry Chemistry Organic Chemistry 010402 general chemistry 01 natural sciences Hydrothermal circulation 0104 chemical sciences Analytical Chemistry Nanomaterials Inorganic Chemistry symbols.namesake Chemical engineering symbols Hydrothermal synthesis Nanorod Fourier transform infrared spectroscopy Cyclic voltammetry Raman spectroscopy Spectroscopy |
| Zdroj: | Journal of Molecular Structure. 1181:131-141 |
| ISSN: | 0022-2860 |
| DOI: | 10.1016/j.molstruc.2018.12.087 |
| Popis: | ZnWO4 nanomaterials have been synthesized through DNA template approach with variable hydrothermal reaction time. The affirmation of formation of crystalline ZnWO4 nanomaterials were examined by X- Ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and Raman spectroscopic studies. The surface morphologies of ZnWO4 specimens were closely related to the hydrothermal reaction time and DNA template, which has a profound impact on the electrochemical performance of prepared materials. The resulting material displays a well-defined one-dimensional nanorod structure. Cyclic voltammetry results have established the pseudocapacitive nature of ZnWO4 materials and freshly prepared ZnWO4 nanomaterial via DNA template route with a hydrothermal reaction time of 24 h achieved a comparatively high specific capacitance of 552 F g-1 at a scan rate of 5 mV s−1 and outstanding cycling stability with 91% capacitance retention after 2000 cycles. These exceptional features tend to formulate the feasibility of exploitation of ZnWO4 nanomaterials for advanced energy storage applications. |
| Databáze: | OpenAIRE |
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