Bio and non-bio materials-based quasi-solid state electrolytes in DSSC: A review

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Mahalingam S.
Nugroho A.
Floresyona D.
Lau K.S.
Manap A.
Chia C.H.
Afandi N.
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John Wiley and Sons Ltd
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Dye-sensitized solar cells (DSSCs) are more attractive than silicon solar cells due to their low dependency on light intensity so that they can perform both indoor and outdoor with low-level lightings. DSSC's global revenue exceeded 16 million USD in 2014 for emerging portable charging, solar bags, and wireless keyboards. However, on-grid DSSC modules are still under R&D for massive commercialization to improve their long-term stability and safety issues due to the liquid electrolyte leakage. Therefore, quasi-solid-state electrolytes (QSE) have been proposed as a novel alternative to overcome the limitations stated above since 2001. Here, we deliver a short outline of the QSE properties, which are linked with the performance of DSSC in terms of different types of QSE structures: gel, hydrogel, and aerogel. Furthermore, these QSE structures are classified under bio and non-bio materials. Finally, the impact, outlook, and future prospects of QSE-DSSC are included as a conclusion in this review. � 2021 John Wiley & Sons Ltd.
Aerogels; Dye-sensitized solar cells; Silicon solar cells; Solid electrolytes; Bio and non-bio material; Bio-materials; Cell-be; Cell/B.E; Cell/BE; Dye sensitized solar cell module; Dye- sensitized solar cells; Light intensity; Material-based; Quasi-solid state electrolytes; Hydrogels