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Namsheer K, Thomas S, Sharma A, Thomas SA, Sree Raj KA, Kumar V, Gagliardi A, Aravind A, Rout CS. Rational design of selenium inserted 1T/2H mixed-phase molybdenum disulfide for energy storage and pollutant degradation applications. NANOTECHNOLOGY 2022; 33:445703. [PMID: 35830771 DOI: 10.1088/1361-6528/ac80ca] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 07/13/2022] [Indexed: 06/15/2023]
Abstract
MoS2based materials are recognized as the promising candidate for multifunctional applications due to its unique physicochemical properties. But presence of lower number of active sites, poor electrical conductivity, and less stability of 2H and 1T MoS2inherits its practical applications. Herein, we synthesized the Se inserted mixed-phase 2H/1T MoS2nanosheets with abundant defects sites to achieve improved overall electrochemical activity. Moreover, the chalcogen insertion induces the recombination of photogenerated excitons and enhances the life of carriers. The bifunctional energy storage and photocatalytic pollutant degradation studies of the prepare materials are carried out. Fabricated symmetric solid-state supercapacitor showed an exceptional capacitance of 178 mF cm-2with an excellent energy density of 8μWh cm-2and power density of 137 mW cm-2, with remarkable capacitance retention of 86.34% after successive 8000 charge-discharge cycles. The photocatalytic dye degradation experiments demonstrate that the prepared Se incorporated 1T/2H MoS2is a promising candidate for dye degradation applications. Further, the DFT studies confirmed that the Se inserted MoS2is a promising electrode material for supercapacitor applications with higherCQdue to a larger density of states near Fermi level as compared to pristine MoS2.
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Affiliation(s)
- K Namsheer
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Jakkasandra, Ramanagaram, Bangalore-562112, India
| | - Siby Thomas
- Department of Electrical and Computer Engineering, Technical University of Munich (TUM), Karlstrasse 45-47, D-80333 Munich, Germany
| | - Aditya Sharma
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Jakkasandra, Ramanagaram, Bangalore-562112, India
| | - Susmi Anna Thomas
- Centre for Advanced Functional Materials (CAFM), Postgraduate and Research Department of Physics, Bishop Moore College, Mavelikara, Alappuzha, Kerala 690110, India
| | - K A Sree Raj
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Jakkasandra, Ramanagaram, Bangalore-562112, India
| | - Vipin Kumar
- Department of Physical Electronics, School of Electrical Engineering, Tel Aviv University, Tel Aviv 6997801, Israel
- The Sackler Center for Computational Molecular and Materials Science, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Alessio Gagliardi
- Department of Electrical and Computer Engineering, Technical University of Munich (TUM), Karlstrasse 45-47, D-80333 Munich, Germany
| | - Arun Aravind
- Centre for Advanced Functional Materials (CAFM), Postgraduate and Research Department of Physics, Bishop Moore College, Mavelikara, Alappuzha, Kerala 690110, India
| | - Chandra Sekhar Rout
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Jakkasandra, Ramanagaram, Bangalore-562112, India
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Lu Q, Wei Z, Liang J, Li C, Li L, Ma J. High‐Performance Supercapacitor Electrode Materials of Mo
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Nanoparticles Prepared by Hydrothermal Method. ChemistrySelect 2022. [DOI: 10.1002/slct.202102794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Qiang Lu
- School of Science Lanzhou University of Technology Lanzhou 730050 China
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals Lanzhou University of Technology Lanzhou 730050 China
| | - Zhiqiang Wei
- School of Science Lanzhou University of Technology Lanzhou 730050 China
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals Lanzhou University of Technology Lanzhou 730050 China
| | - Jiahao Liang
- School of Science Lanzhou University of Technology Lanzhou 730050 China
| | - Chao Li
- School of Science Lanzhou University of Technology Lanzhou 730050 China
| | - Ling Li
- School of Science Lanzhou University of Technology Lanzhou 730050 China
| | - Jinhuan Ma
- School of Science Lanzhou University of Technology Lanzhou 730050 China
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Kumar SK, Gaikwad MM, Rani P, Pathak AD, Sharma CS. Fe-carbon hybrid composite interlayer for improved electrochemical performance of Li-S battery. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2021.139466] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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