Design and fabrication of mixed phase transition metal chalcogenide hybrid composite (M = Ni & Co) for Pt-free efficient dye-sensitized solar cell applications
Journal of Materials Science: Materials in Electronics, ISSN: 1573-482X, Vol: 34, Issue: 3
2023
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New Data from University College of Engineering Illuminate Findings in Engineering [Design and Fabrication of Mixed Phase Transition Metal Chalcogenide Hybrid Composite (M = Ni & Co) for Pt-free Efficient Dye-sensitized Solar Cell Applications]
2023 MAY 31 (NewsRx) -- By a News Reporter-Staff News Editor at Energy Daily News -- New research on Engineering is the subject of a
Article Description
In this work, nanostructured mixed phase transition metal chalcogenides of NiS/CoS and investigated as counter electrode to replace the conventional high-cost Pt electrode for dye-sensitized solar cells. The physio-chemical properties of the prepared NiS/CoS hybrid material were investigated by XRD, SEM, TEM, Energy Dispersive, Raman and UV spectroscopy. These results revealed that formation of mixed phases, nanostructured, high crystallinity and purity composite of NiS/CoS. The electrochemical characteristics of NiS/CoS CE were instigated by EIS and Tafel polarization studies. These results revealed that excellent electro catalytic behaviour of NiS/CoS CE than compared with pure NiS and CoS CEs. DSSCs assembled using NiS/CoS NiS and CoS materials as CE and the device fabricated with NiS/CoS CE exhibited the highest PCE of 9.2% CE than compared with pure NiS and CoS CEs. The efficiency of device fabricated with NiS/CoS CE is 40% higher than that of cell fabricated with NiS and 24.8% higher than that of cell fabricated with CoS CE. These findings suggest that mixed phase transition metal chalcogenides of NiS/CoS could be used promising alternative for Pt-free dye-sensitized solar cells.
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Springer Science and Business Media LLC
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