Electrochemical design of ZnO hierarchical structures for dye-sensitized solar cells

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F12%3A00384100" target="_blank" >RIV/61388955:_____/12:00384100 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.solmat.2011.11.046" target="_blank" >http://dx.doi.org/10.1016/j.solmat.2011.11.046</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.solmat.2011.11.046" target="_blank" >10.1016/j.solmat.2011.11.046</a>

Result language
angličtina
Original language name
Electrochemical design of ZnO hierarchical structures for dye-sensitized solar cells
Original language description
ZnO single-crystalline nanowires (NWs) are highly relevant 1D-nanostructures for efficient charge collection in dye sensitized solar cells (DSSCs). In a first part of the paper, ZnO-NWs have been grown by electrochemistry on various fluorine-doped transparent oxide (FM) coated glass substrates. The effects of substrate treatments and of the presence of an underlayer of TiO2 or ZnO on the cell performance are reported. In particular, we show that the presence of a TiO2 underlayer gives rise to a dense array of ZnO-NWs with a high aspect ratio ( > 30) and to the cells with the best performances. However, the roughness of the NW arrayed films were not sufficient for the efficient harvesting of sunlight and low fill factors were found. In a second step, hierarchical structures have been designed by growing electrochemically a secondary nanoporous epitaxial ZnO phase on the wire surface. We have found that the cell performances were significantly improved in that case due to a much larger s
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CF - Physical chemistry and theoretical chemistry
OECD FORD branch
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Project
<a href="/en/project/KAN100400702" target="_blank" >KAN100400702: Nanostructured materials for catalytic, electrocatalytic and sorption applications</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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