Issue 10, 2009
From the journal:

Energy & Environmental Science

Improved performance of porphyrin-based dye sensitised solar cells by phosphinic acid surface treatment

Alessandra Allegrucci,a   Naomi A. Lewcenko,a   Attila J. Mozer,b   Lynn Dennany,b   Pawel Wagner,b   David L. Officer,*b   Kenji Sunahara,c   Shogo Moric  and  Leone Spiccia*a  

* Corresponding authors

a School of Chemistry, Monash University, Victoria, Australia
E-mail: leone.spiccia@sci.monash.edu.au
Fax: +61 3 9905 4597
Tel: +61 3 9905 4526

b Intelligent Polymer Research Institute, ARC Centre for Excellence for Electromaterials Science, University of Wollongong, Wollongong, Australia
E-mail: davido@uow.edu.au
Fax: +61 2 4221 3114
Tel: +61 2 4221 469

c Department of Fine Materials Engineering, Shinshu University, Nagano, Japan

Abstract

Chemical surface treatment of porphyrin-sensitised titania films using bis-(4-methoxyphenyl)phosphinic acid after dye adsorption, results in large improvements in DSSC efficiencies which originate primarily from higher short circuit currents. The result was attributed to a positive shift in the TiO2 quasi-Fermi level with simultaneous retardation of charge recombination. High device performances have been achieved even using simplified electrolyte matrices devoid of the common additives, LiI and t-butylpyridine.

Graphical abstract: Improved performance of porphyrin-based dye sensitised solar cells by phosphinic acid surface treatment

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Article information

DOI
https://doi.org/10.1039/B909709K
Article type
Communication
Submitted
15 May 2009
Accepted
10 Jun 2009
First published
22 Jun 2009

Energy Environ. Sci., 2009,2, 1069-1073

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Improved performance of porphyrin-based dye sensitised solar cells by phosphinic acid surface treatment

A. Allegrucci, N. A. Lewcenko, A. J. Mozer, L. Dennany, P. Wagner, D. L. Officer, K. Sunahara, S. Mori and L. Spiccia, Energy Environ. Sci., 2009, 2, 1069 DOI: 10.1039/B909709K

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