Facile three-step strategy to design CdS@Bi2Se3 core-shell nanostructure: An efficient electrode for supercapacitor application
- Authors
- Mendhe, Avinash C.; Deshmukh, Tushar B.; Soni, Vinay; Sankapal, Babasaheb R.; Jang, Sung-Hwan
- Issue Date
- Jul-2023
- Publisher
- Pergamon Press Ltd.
- Keywords
- Bi2Se3; SILAR; Core-shell; Supercapacitor; Simple; Low-cost
- Citation
- Ceramics International, v.49, no.13, pp 21978 - 21987
- Pages
- 10
- Indexed
- SCIE
SCOPUS
- Journal Title
- Ceramics International
- Volume
- 49
- Number
- 13
- Start Page
- 21978
- End Page
- 21987
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/118816
- DOI
- 10.1016/j.ceramint.2023.04.022
- ISSN
- 0272-8842
1873-3956
- Abstract
- In this study, we utilized a successive ionic layer adsorption and reaction (SILAR) route to attach bismuth selenide (Bi2Se3) nanoparticles on one dimensional (1D) cadmium sulfide nanowires (CdS NWs) at ambient temperature (27 degrees C) to design CdS@Bi2Se3 core-shell nanostructure towards active electrode for supercapacitor application. To verify and explore the retrieved surface configuration, structural, elemental, compositional, and surface morphological investigations were performed. The designed CdS@Bi2Se3 core-shell nanostructure not only offers the tremendous number of active areas, but also a continuous and quick one directional electron transport channels, demonstrating noticeable electrochemical performance with specific capacitance of 198 F g  1(aerial capacitance 59.5 mF/cm2) with 80% cyclic retention @ 2000 cycles. Superior electrochemical activity was enhanced through the mutualistic involvement of Na+ ion insertion/extraction via non-stoichiometric bis-muth selenide, which was well supported through electrochemical impedance (EIS) studies.
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