Boosting the efficiency of aqueous solar cells: A photoelectrochemical estimation on the effectiveness of TiCl4 treatment
作者： Federico Bella , Simone Galliano , Giulia Piana , Giulia Giacona , Guido Viscardi
DOI: 10.1016/J.ELECTACTA.2019.01.180
关键词: Electrode 、 Optoelectronics 、 Electrochemistry 、 Photocurrent 、 Electrolyte 、 Aqueous solution 、 Photovoltaic system 、 Energy conversion efficiency 、 Materials science 、 Dye-sensitized solar cell
摘要: Abstract Increasing the photocurrent is one of main objectives current research on aqueous photovoltaic cells, emerging green, alternative technology in solar energy conversion devices. In such a scenario, this work deals with thorough understanding electrochemical and photoelectrochemical effects TiCl4 treatment onto TiO2 electrodes, well-known process for traditional dye-sensitized here, to our knowledge, investigated first time water-based systems. From quantitative evaluation parameters, it emerges that beneficially affects parameters: doubles sunlight efficiency values, inhibits recombination photogenerated electrons oxidized redox mediator ions, ensures stable reproducible cell performance at laboratory scale.
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