Abstract
Increasing extreme climate change and natural disasters have stimulated the exploration of alternatives to traditional carbon-based fossil fuels. A Z-scheme FePSe3/TiO2 heterojunction was constructed for hydrogen evolution, which has overcomed the problems of narrow band gap, weak photocatalytic redox ability and high photoelectron-hole recombination rate of single-phase FePSe3 nanosheets. FePSe3/TiO2-10% heterojunction exhibited the best photocatalytic activity with the corresponding hydrogen production rate of 1.49 mmol h−1 g−1 under Xe lamp irradiation, which was 261% of single-phase FePSe3 nanosheets. The present work provides a facile method for improving the photocatalytic activity of Fe-based compound nanosheets.
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