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Nanoscale. 2013 Nov 7;5(21):10511-7. doi: 10.1039/c3nr03119e. Epub 2013 Sep 17.

Large area vertical alignment of ZnO nanowires in semiconducting polymer thin films directed by magnetic fields.

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  • 1Yale University, Department of Chemical and Environmental Engineering, 9 Hillhouse Avenue, New Haven, CT 0651. chinedum.osuji@yale.edu.

Abstract

We demonstrate the use of magnetic fields for the directed assembly of ZnO nanowires in semiconducting polymer films suitable for ordered bulk heterojunction photovoltaics. Using rotational field annealing, Co-doped ZnO nanowires with negative paramagnetic anisotropy were successfully aligned out-of-plane with respect to the substrate and polymer film.

PMID:
24057068
[PubMed]
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