Tandem approaches to solar-to-fuels conversion featuring perovskite photovoltaics
Michael Graetzel a, David Tilley a, Jingshan Luo a, Marcel Schreier a, Matthew T. Mayer a
Proceedings of International Conference on Light Driven Water Splitting Using Semiconductor Based Devices (SolarFuel15)
Illetes, Spain, 2015 March 11th - 13th
Organizers: Leslie Frotscher, Sixto Gimenez Julia, Wolfram Jaegermann and Bernhard Kaiser
Oral, Matthew T. Mayer, presentation 089
Publication date: 15th December 2014

Solar-to-fuels conversion reactions, including water electrolysis and CO2 reduction, are energy-intensive processes. The materials required to drive these reactions, therefore, need to produce significant photovoltages and perform at high quantum efficiencies. Leading photovoltaic materials such as multijunction Si and GaAs/GaInP2 have proven capable. As a surging newcomer in the photovoltaic field, hybrid organic-inorganic perovskites offer promise in solar-to-fuels conversion. We have explored their application in various configurations, from series-connected photovoltaics to photoelectrode-photovoltaic tandems, and have achieved highly competitive solar-to-fuels conversion efficiencies



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