Journal
APPLIED PHYSICS LETTERS
Volume 93, Issue 6, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.2972113
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Funding
- Nissan Science Foundation
- Japan Society for the Promotion of Science (JSPS)
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The introduction of an electron-blocking layer of vanadium oxide between the organic layer and the Ag electrode was studied as a means of improving the performance of bulk heterojunction photovoltaic devices based on poly(3-hexylthiophene): (6,6)-phenyl C-61 butyric acid methyl ester hybridized with vertically aligned ZnO nanorod arrays. The power conversion efficiency was further improved to 3.9% by applying a short circuit current density of 10.4 mA cm(-2), an open circuit voltage of 0.58 V, and a fill factor of 65% under AM1.5 100 mW cm(-2) irradiation, owing to the electron collection antenna effect of the ZnO nanorod arrays. (C) 2008 American Institute of Physics.
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