Recent theoretical progress in the organic/metal-organic sensitizers as the free dyes, dye/TiO2 and dye/electrolyte systems; Structural modifications and solvent effects on their performance

Foroogh Arkan and Mohammad Izadyar

Renewable and Sustainable Energy Reviews, 2018, vol. 94, issue C, 609-655

Abstract: Here, we review the effects of the structural modifications, dye/TiO2 absorption modes, solvent effects and dye/electrolyte interaction on the performance of the DSSCs. The expansion of the quantum chemistry perspective on this field has shown different aspects of the molecular properties and charge transfer processes which are important in solar cell designing from the chemistry viewpoint. Also, the quantum chemistry reactivity indices are proper descriptors for better analyzing the performance of the sensitizers. For this purpose, a reasonable selection of the proper functionals and basis sets, for calculation of the ground and the excited states are important. Structural modification of the organic and metal-organic dyes, efficient substitution of the donors, π-bridges and acceptors as well as the role of the solvent on the solar cell efficiency are analyzed. Also, the presence of different ions in the solvent, the nature of the electrolyte, the interactions of the dye/TiO2 and dye/electrolyte, which affect strongly the efficiency, are discussed.

Keywords: Dye; Quantum descriptor; Solar cell efficiency; Solvent effect; Charge transfer; Structural modification (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (1)

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DOI: 10.1016/j.rser.2018.06.054

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