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Triple-shell NiO hollow sphere for p-type dye-sensitized solar cell with superior light harvesting.

Qu, J., Zhang, K., Gamal, H., Wang, J. and Abdelkader, A.M., 2021. Triple-shell NiO hollow sphere for p-type dye-sensitized solar cell with superior light harvesting. Solar Energy, 216 (March), 238 - 244.

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DOI: 10.1016/j.solener.2021.01.026

Abstract

In this article, new p-DSSC electrodes are fabricated using NiO hollow spheres (HSs) prepared through a facial one-step hydrothermal process. The current-voltage (J-V) curve indicates that p-DSSCs fabricated using triple-shell NiO HS have excellent photoelectrochemical performance, with a photoelectrical efficiency of 1.79%. The UV–vis diffused reflectance spectra indicate that the triple-shell NiO HS, with its unique structure, has superior light reflection, scattering ability and large surface area with more inner cavities, which helps harvest more light. Electrochemical impedance spectroscopy (EIS) further confirms that triple-shell NiO HS shows fast dye regeneration, improved hole transport and suppressed recombination. The research work of unique NiO HS is important for the selection of efficient photocathode materials for p-DSSCs.

Item Type:Article
ISSN:0038-092X
Uncontrolled Keywords:NiO; Hollow spheres; Light-harvesting; Transfer kinetics; Solar cell
Group:Faculty of Science & Technology
ID Code:35174
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:09 Feb 2021 09:40
Last Modified:09 Feb 2021 09:40

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