Abstract
Visible light-responsive TiO2 (Vis-TiO2) electrode has been applied for the Pt-free separate-type photofuel cell (SPFC) where two different electrolytes containing various biomass derivatives and a I3 −/I− redox solution were employed for the anode and cathode sides, respectively. This new SPFC exhibits good photoelectrochemical performance under simulated solar-light irradiation. It was found that the Rh3+ loading on Vis-TiO2 electrode enhanced the photoelectrochemical performance of the SPFC through the increase in the visible light absorption as well as the increase in the electron conductivity of Vis-TiO2 electrode.
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Acknowledgments
This study was financially supported by Grants-in-Aid for Scientific Research from Ministry of Education, Culture, Sports, Science, and Technology of Japan (No. 20360366) and Kansai Research Foundation (KRF) for technology promotion.
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Toyao, T., Iyatani, K., Horiuchi, Y. et al. Enhanced photoelectrochemical properties of visible light-responsive TiO2 photoanode for separate-type Pt-free photofuel cells by Rh3+ addition. Res Chem Intermed 39, 1603–1611 (2013). https://doi.org/10.1007/s11164-012-0625-7
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DOI: https://doi.org/10.1007/s11164-012-0625-7