Enhanced electrocatalytic activity of the solvothermally synthesized Mesoporous Rhombohedral nickel sulphide
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作者:
Bhardwaj, Rekha
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Univ Delhi, Netaji Subhas Inst Technol, Dept Phys, Res Lab Energy Syst, New Delhi 110078, IndiaUniv Delhi, Netaji Subhas Inst Technol, Dept Phys, Res Lab Energy Syst, New Delhi 110078, India
Bhardwaj, Rekha
[1
]
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Jha, Ranjana
[2
]
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Bhushan, Medha
[1
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Sharma, Reetu
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Univ Delhi, Netaji Subhas Inst Technol, Dept Chem, Res Lab Energy Syst, New Delhi 110078, IndiaUniv Delhi, Netaji Subhas Inst Technol, Dept Phys, Res Lab Energy Syst, New Delhi 110078, India
Sharma, Reetu
[3
]
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[1] Univ Delhi, Netaji Subhas Inst Technol, Dept Phys, Res Lab Energy Syst, New Delhi 110078, India
[2] Netaji Subhas Univ Technol, Dept Phys, Res Lab Energy Syst, New Delhi 110078, India
[3] Univ Delhi, Netaji Subhas Inst Technol, Dept Chem, Res Lab Energy Syst, New Delhi 110078, India
In the present work, Mesoporous Rhombohedral beta-NiS (Nickel Sulphide) was synthesized by a solvothermal route using thiourea as Sulphur source. Rietveld refinement confirms the single phase formation of Rhombohedral beta-NiS. Reaction temperature affects the electro-catalytic, optical and morphology of the synthesized beta-NiS nanoparticles. 1-D nano-rods and cluster beans like structures are observed in FESEM images. At lower tem-perature, energy band gap of the synthesized beta-NiS nanoparticles is found to be 2.75 eV. Carbonaceous free electrodes were used for electrocatalytic studies in 1 M aqueous LiOH electrolyte. Electrocatalytic activity of beta-NiS nanoparticles were studied by cyclic voltammetry technique and electrochemical impedance spectroscopy. During the analysis of cyclic voltammetry technique it was found that the synthesized beta-NiS electrode showed maximum areal capacitance 12.02 F cm(-2) with 83% cyclic stability over 1000 cyclic voltammetry cycles.
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Univ Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, IndiaUniv Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, India
Sharma, Reetu
;
Bhardwaj, Rekha
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Univ Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, IndiaUniv Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, India
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Univ Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, IndiaUniv Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, India
Jha, Ranjana
;
Bhardwaj, Rekha
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Univ Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, IndiaUniv Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, India
机构:
Univ Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, Italy
Cavallo, Carmen
;
Di Pascasio, Francesco
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Univ Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, Italy
Di Pascasio, Francesco
;
Latini, Alessandro
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Univ Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, Italy
Latini, Alessandro
;
Bonomo, Matteo
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Univ Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, Italy
Bonomo, Matteo
;
Dini, Danilo
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Univ Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, Italy
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Univ Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, IndiaUniv Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, India
Sharma, Reetu
;
Bhardwaj, Rekha
论文数: 0引用数: 0
h-index: 0
机构:
Univ Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, IndiaUniv Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, India
机构:
Univ Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, IndiaUniv Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, India
Jha, Ranjana
;
Bhardwaj, Rekha
论文数: 0引用数: 0
h-index: 0
机构:
Univ Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, IndiaUniv Delhi, NSIT, Dept Phys, Res Lab Energy Syst, Azad Hind Fauj Marg,Sect 3, New Delhi 110078, India
机构:
Univ Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, Italy
Cavallo, Carmen
;
Di Pascasio, Francesco
论文数: 0引用数: 0
h-index: 0
机构:
Univ Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, Italy
Di Pascasio, Francesco
;
Latini, Alessandro
论文数: 0引用数: 0
h-index: 0
机构:
Univ Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, Italy
Latini, Alessandro
;
Bonomo, Matteo
论文数: 0引用数: 0
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机构:
Univ Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, Italy
Bonomo, Matteo
;
Dini, Danilo
论文数: 0引用数: 0
h-index: 0
机构:
Univ Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, ItalyUniv Roma La Sapienza, Dipartimento Chim, Piazzale Aldo Moro 5, I-00185 Rome, Italy