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Issue 17, 2014
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Uniaxial macroscopic alignment of conjugated polymer systems by directional crystallization during blade coating

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Abstract

We have developed a one step method for the deposition of uniaxially aligned conjugated polymer layers by directional epitaxial crystallization directly from solution. Oriented, square centimeter sized samples of poly(3-hexylthiophene) (P3HT) deposited from a chlorobenzene (CB) solution containing the additional crystallizable solvent 1,3,5-trichlorobenzene (TCB) are obtained by blade coating. Moreover, we show that the developed technique is not restricted to this specific material combination, but is instead applicable to a range of conjugated polymers and crystallizable solvents. Finally, we demonstrate the potential of this technique by realizing an organic photovoltaic device that exhibits a polarization dependent photoresponse.

Graphical abstract: Uniaxial macroscopic alignment of conjugated polymer systems by directional crystallization during blade coating

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Supplementary files

Article information


Submitted
17 Oct 2013
Accepted
25 Nov 2013
First published
28 Nov 2013

J. Mater. Chem. C, 2014,2, 3303-3310
Article type
Paper
Author version available

Uniaxial macroscopic alignment of conjugated polymer systems by directional crystallization during blade coating

B. Dörling, V. Vohra, T. T. Dao, M. Garriga, H. Murata and M. Campoy-Quiles, J. Mater. Chem. C, 2014, 2, 3303
DOI: 10.1039/C3TC32056A

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