Fabrication of CdS quantum dot sensitized solar cells via a pressing route

CdS quantum dots have been self-assembled on the surface of dispersed nanocrystalline TiO 2 particles, and a light-harvesting electrode has been fabricated from the resulting sensitized P25 particles using the pressing route. The spectroscopic and photochemical properties of photosensitized nanocrys...

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Bibliographic Details
Published in:Solar energy materials and solar cells 2004-07, Vol.83 (4), p.363-369
Main Authors: Wijayantha, K.G.U., Peter, Laurence M., Otley, L.C.
Format: Article
Language:English
Subjects:
Applied sciences
Cadmium sulfide
Energy
Exact sciences and technology
Nanocrystalline
Natural energy
Photosensitization
Photovoltaic conversion
Quantum dots
Solar cell
Solar cells. Photoelectrochemical cells
Solar energy
Titanium dioxide
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Summary:CdS quantum dots have been self-assembled on the surface of dispersed nanocrystalline TiO 2 particles, and a light-harvesting electrode has been fabricated from the resulting sensitized P25 particles using the pressing route. The spectroscopic and photochemical properties of photosensitized nanocrystalline TiO 2 electrodes were studied. The results indicate that electrode preparation by the pressing route may lead to partial loss or damage of the CdS coating and creation of regions that are inaccessible to the redox electrolyte. Nevertheless, the pressing method using pre-coated powders shows promise as a low cost method for the preparation of photoelectrodes in sensitized-solar cells.
ISSN:0927-0248
1879-3398
DOI:10.1016/j.solmat.2003.12.011