Comparison of charge accumulation and transport in nanostructured dye-sensitized solar cells with electrolyte or CuSCN as hole conductor
2005 (English)In: Solar Energy Materials and Solar Cells, ISSN 0927-0248, Vol. 88, no 4, 351-362 p.Article in journal (Refereed) Published
The charge transport properties of the dye-sensitized solar cells consisting of Ru(dcbpyH(2))(2)(NCS)(2)-sensitized nanostructured TiO2 with either redox electrolyte or CuSCN as hole conductor have been compared. The electron transport time and the electron charge in the TiO2 varies in a similar way with the incident light intensity for both hole conductors: electron transport becomes faster and electron accumulation increases with increasing light intensity. Electron transport in the CuSCN-based cells is significantly faster than in electrolyte cells under conditions where the accumulated charge is equal. An ultra-thin aluminum oxide layer on the nanocrystalline titanium oxide has a beneficial effect as it reduces the recombination and increases the open-circuit potential.
Place, publisher, year, edition, pages
2005. Vol. 88, no 4, 351-362 p.
dye-sensitized, solar cells, photovoltaic devices, recombination, photocurrent, spectroscopy, photovoltage, efficiency, oxide
IdentifiersURN: urn:nbn:se:kth:diva-14953DOI: 10.1016/j.solmat.2004.11.006ISI: 000230866900002OAI: oai:DiVA.org:kth-14953DiVA: diva2:332994
QC 201005252010-08-052010-08-05Bibliographically approved