Abstract
High edge energy storage with large life-span stable materials have become the most significant and major requirement in near future. Bismuth sulfide (Bi2S3) nanoparticles (NPs) was effectively synthesized by utilizing bismuth diethyldithiocarbamate (Bi[DTC]3) complex as single-source antecedent. The synthesized Bi2S3 NPs were affirmed by structural, morphological and thermal analysis with various analytical studies. The electrochemical performance of Bi2S3 NPs reveals that, exhibit redox behavior from cyclic voltammetry analysis, the charge–discharge analysis was examined by the galvanostatic chronopotentiometry. Bi2S3 NPs exhibit excellent supercapacitor behavior with value of the specific capacitance 470 Fg−1 at current density 0.5 Ag−1 and the retentivity of 79% after 1000 cycles. The Bi2S3 NPs were further utilized as photocatalytic discoloration of Congo Red (CR) dye in aqueous medium under UV light irradiation. Which shows, excellent catalytic behaviour, up to 98% of CR dye degrade within 150 min and it is exhibit good catalytic stability and reusability.
Highlights
In the recent decade, broad ranging attempts were made to grow use of new phase grid storage system with maximum power and energy density to be used in crossover hybrid car and versatile hardware
Other than the carbon materials, for example, carbon nanofibers, actuated carbons and graphene oxides change metal mixes, for example, metal sulfides or metal oxides hydroxides are considered as appealing potential terminal equipment for utilize in supercapacitors because of the large-capacitance esteems, which transfer into the upgraded energy density [2,3,4,5]
The indexed diffraction peaks are noticed at 2θ values 15.61, 17.54, 22.35, 23.51, 24.85, 28.51, 31.6, 35.45, 39.68, 45.27, 46.42, 48.93, 52.4, 58.94, 62.41, 64.72, 69.34, 71.85 and 84.75 correspond to hkl value (0 2 0), (1 2 0), (2 2 0), (1 0 1), (1 3 0), (2 3 0), (2 2 1), (2 4 0), (1 4 1), (0 0 2), (4 3 1), (0 2 2), (1 3 2), (4 6 0), (4 3 2), (5 6 0), (1 6 2), (5 4 2), and (4 7 2) respectively, The positions and comparative intensities of the considerable number of peaks are in acceptable understanding, with those are orthorhombic crystalline formation for Bi2S3 NPs and they are indexed to standard JCPDS card number 89-8964
Summary
Keywords: Bi2S3 Nanoparticles, Bi[DTC] complex, Solvothermal technique, electrochemical studies, Energy storage device, Photodegradation License: This work is licensed under a Creative Commons Attribution 4.0 International License. Read Full License Version of Record: A version of this preprint was published at Journal of Materials Science: Materials in Electronics on July 16th, 2021. See the published version at https://doi.org/10.1007/s10854-021-06596w. C. Sambathkumar1, V. Manirathinam1, A. Manikandan2, M. Krishna Kumar1, S. Sudhakar3, P. Devendran1*
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