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Issue 16, 2009

Photovoltaic activity of layered zirconium phosphates containing covalently grafted ruthenium tris(bipyridyl) and diquat phosphonates as electron donor/acceptor sites

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Abstract

Two layered zirconium phosphates containing Ru(bpy)32+ mono- or diphosphonates and diquat, {Ru(bpy)32+[1]/ZrP/DQ++} and Ru(bpy)32+[2]/ZrP/DQ++, covalently attached to the phosphate layers exhibit notable photovoltaic response (the maximum VOC, JSC, and FF were 0.093 V, 16.8 μA cm−2 and 0.33, respectively). The photocurrent spectra indicate that the photovoltaic response is due predominantly to direct photoexcitation of γ-ZrP host, Ru(bpy)32+ and diquat acting as hole and electron traps, respectively, for the charge separated state of the semiconductor.

Graphical abstract: Photovoltaic activity of layered zirconium phosphates containing covalently grafted ruthenium tris(bipyridyl) and diquat phosphonates as electron donor/acceptor sites

Article information


Submitted
23 Sep 2008
Accepted
09 Jan 2009
First published
10 Feb 2009

Phys. Chem. Chem. Phys., 2009,11, 2922-2927
Article type
Paper

Photovoltaic activity of layered zirconium phosphates containing covalently grafted ruthenium tris(bipyridyl) and diquat phosphonates as electron donor/acceptor sites

L. Teruel, M. Alonso, M. C. Quintana, Á. Salvador, O. Juanes, J. C. Rodriguez-Ubis, E. Brunet and H. García, Phys. Chem. Chem. Phys., 2009, 11, 2922 DOI: 10.1039/B816698F

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