CoAPO5 as a water oxidation catalyst and a light sensitizer |
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| Authors: | Zanarini Simone Vankova Svetoslava Hernandez Simelys Ijeri Vijaykumar S Armandi Marco Garrone Edoardo Bonelli Barbara Onida Barbara Spinelli Paolo |
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| Institution: | Dipartimento di Scienza dei Materiali e Ingegneria Chimica, Politecnico di Torino, corso Duca degli Abruzzi 20bis, 10129 Torino, Italy. |
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| Abstract: | We report the first use of cobalt aluminophosphate (CoAPO5) as a water oxidation catalyst. A decrease in the overvoltage by about 0.2 V with respect to catalyst free FTO has been observed. Additionally, we show that CoAPO5, deposited on ITO or Pt, can also act as a photo-electro-catalyst, as it generates enhanced oxidation currents in the presence of light starting from a bias of +0.8 V vs. Ag/AgCl. |
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