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Issue 24, 2014
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Artificial photosynthesis – functional devices for light driven water splitting with photoactive anodes based on molecular catalysts

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Abstract

Photoactive anodes consisting of Ru(bpy)3 type photosensitizer 1 and molecular catalysts 2 and 3 on nanostructured TiO2 have been assembled in functional devices for successful light driven water splitting. From their performance measurements we found that the photoanode TiO2(1 + 3) in which the molecular ruthenium catalyst and the phosphonate anchoring group are linked by a flexible –CH2CH2CH2– chain showed a significantly higher photocurrent density than the photoanode TiO2(1 + 2) with only –CH2– linkage. The possible reasons for the different water splitting performance of otherwise identical devices are discussed.

Graphical abstract: Artificial photosynthesis – functional devices for light driven water splitting with photoactive anodes based on molecular catalysts

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Article information


Submitted
10 Dec 2013
Accepted
07 Mar 2014
First published
07 Mar 2014

Phys. Chem. Chem. Phys., 2014,16, 12008-12013
Article type
Paper

Artificial photosynthesis – functional devices for light driven water splitting with photoactive anodes based on molecular catalysts

Y. Gao, L. Zhang, X. Ding and L. Sun, Phys. Chem. Chem. Phys., 2014, 16, 12008
DOI: 10.1039/C3CP55204G

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