Issue 46, 2012
From the journal:

Chemical Communications

CoAPO5 as a water oxidation catalyst and a light sensitizer†

Simone Zanarini,*a   Svetoslava Vankova,a   Simelys Hernandez,b   Vijaykumar S. Ijeri,ac   Marco Armandi,b   Edoardo Garrone,*a   Barbara Bonelli,a   Barbara Onidaa  and  Paolo Spinelli*a  

* Corresponding authors

a Dipartimento di Scienza dei Materiali e Ingegneria Chimica, Politecnico di Torino, corso Duca degli Abruzzi 20bis, 10129 Torino, Italy

b Center for Space Human Robotics, Istituto Italiano di Tecnologia, IIT@POLITO, Corso Trento 21, 10129 Torino, Italy

c Grauer & Weil (India) Ltd, Akurli Road, Kandivali (E), Mumbai 400101, India

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.

Graphical abstract: CoAPO5 as a water oxidation catalyst and a light sensitizer

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Article information

DOI
https://doi.org/10.1039/C2CC17827C
Article type
Communication
Submitted
14 Dec 2011
Accepted
16 Apr 2012
First published
17 Apr 2012
This article is Open Access

Chem. Commun., 2012,48, 5754-5756

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CoAPO5 as a water oxidation catalyst and a light sensitizer

S. Zanarini, S. Vankova, S. Hernandez, V. S. Ijeri, M. Armandi, E. Garrone, B. Bonelli, B. Onida and P. Spinelli, Chem. Commun., 2012, 48, 5754 DOI: 10.1039/C2CC17827C

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