Zinc oxide/graphene nanocomposite as efficient photoelectrode in dye-sensitized solar cells: Recent advances and future outlook

Mahalingam, Savisha and Low, Foo Wah and Omar, Azimah and Manap, Abreeza and Rahim, Nasrudin Abd and Tan, Chun Hui and Abdullah, Huda and Voon, Chun Hong and Rokhmat, Mamat and Wibowo, Edy and Oon, Cheen Sean (2022) Zinc oxide/graphene nanocomposite as efficient photoelectrode in dye-sensitized solar cells: Recent advances and future outlook. International Journal of Energy Research, 46 (6). pp. 7082-7100. ISSN 0363-907X, DOI https://doi.org/10.1002/er.7722.

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Dye-Sensitized Solar Cells (DSSCs), also known as Gratzel cells, are a third-generation photovoltaic technology that has garnered extensive interest due to its simplicity of fabrication, economical, and relatively high power conversion efficiency (PCE). The PCE of the photovoltaic cells is primarily related to the architecture of the cells, as well as the electrodes and electrolyte employed. Using zinc oxide (ZnO) coupled with two-dimensional graphene as photoelectrode enables efficient charge transfer and minimizes electron-hole recombination in the DSSCs, resulting in improved performance. This review outlines the feasibility and performance enhancement of ZnO/graphene nanocomposite and its derivatives as photoelectrode for DSSCs. The structural features, optical properties, electron transport, and dye interaction of the ZnO/graphene nanocomposite-based photoelectrode were considered in this review. In addition, the limitations of ZnO/graphene derivatives as photoelectrodes and their solutions were extensively discussed, as well as their prospects. The ZnO/graphene-based photovoltaic cells exhibit an efficiency of up to 11.5% under different dyes and electrolytes. The recent progress achieved with this photoelectrode, which is a viable substitute for titanium dioxide (TiO2), is also thoroughly reviewed.

Item Type: Article
Funders: Telkom University-UNITEN Matching Grant [Grant No.2020101TELCO], Universiti Tenaga Nasional (UNITEN) under the UNITEN BOLD [Grant No. J510050002/2021091], Universiti Tunku Abdul Rahman Research Fund of Grant [Grant No. UTARRF/2021-C1/T02]
Uncontrolled Keywords: Dye-sensitized solar cell; Graphene; Nanocomposite; Photoelectrode; Zinc oxide
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Oct 2023 02:25
Last Modified: 04 Oct 2023 06:35
URI: http://eprints.um.edu.my/id/eprint/43043

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