Publications

Skip Navigation Links.
Recently Published
Collapse per documenttypeper documenttype
Collapse ECN publicationECN publication
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
1979
1977
Expand BookBook
Expand ArticleArticle
Collapse Article (scientific)Article (scientific)
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1995
Expand Conference PaperConference Paper
Expand PresentationPresentation
Expand OtherOther
Expand External memoExternal memo
Expand LeafletLeaflet
Expand per Unitper Unit
Expand per Clusterper Cluster

Search for publications:


Limit search to the fields

ECN publication
Title:
Effect of TiO2-electrode properties on the efficiency of nanocrystalline dye-sensitized solar cells (nc-DSC)
 
Author(s):
Wienke, J.A.; Kroon, J.M.; Sommeling, P.M.; Kinderman, R.; Späth, M.; Roosmalen, J.A.M. van; Sinke, W.C.
 
Published by: Publication date:
ECN Solar Energy 1997
 
ECN report number: Document type:
ECN-RX--97-033 Article (scientific)
 
Number of pages:
6  

Published in: Paper, presented at the 14th European photovoltaic solar energy conference and exhibition, 30 June - 4 July, 1997, Barcelona, Sp (), , , Vol., p.-.

Abstract:
The influence of the TiO2-microstructure on the performance of the nc-DSCis investigated. Hence, four commercial TiO2-powders with different particle diameters and sintering behaviour have been used: P25 (Degussa AG), H37 (Transcommerce International AG), AK1 and PK5585 (Bayer AG). With a view to large-scale production the TiO2-electrode preparation process is changed by substitution of the well known squeegee (doctor-blade ) method by the screen print process. The TiO2-powders and electrodes are characterized by BET-analysis, SEM and TEM, pore size distribution analysis (Hg-porosimetry), X-ray diffraction, chemical (elemental) analysis and reflection- transmission measurements. The microstructure of the electrodes, prepared from different TiO2-powders differs significantly, but the cell efficiencies at 1sun of AM1.5 solar light of the glass/SnO2:F/TiO2/cis-(NCS)2-bis(4,4-dicarboxy-2,2-bipyridine)-ruthenium (II) /electrolyte/SnO2:F(Pt)/ glass-cells were found to be comparable, implying that additional factors limit the efficiency. In contrast, the change of the paste composition influences the efficiencies expanding from 2.5% for 'screenprint paste' electrodes and 4.5% for 'squeegee paste' electrodes. No micro-structural changes could be observed by SEM for different paste composition. Hence, the different short circuit currents are probably caused by particle interconnection problems or incorporation of foreign particles during the preparation of the screenprint paste which definitely causes trapping of charge carriers. 8 refs., 5 tabs., 3 refs.


Back to List