Molecular Design of Near-IR Dyes with Different Surface Energy for Selective Loading to the Heterojunction in Blend Films

We have synthesized three silicon phthalocyanine dyes with different hydrophobic substituents in order to control surface energy in the solid state, aiming at selective loading of the dyes into blend films of poly(3-hexylthiophene) (P3HT) and polystyrene (PS). These three dyes are differently locate...

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Published inScientific reports Vol. 5; no. 1; p. 9321
Main Authors Xu, Huajun, Wada, Takaaki, Ohkita, Hideo, Benten, Hiroaki, Ito, Shinzaburo
Format Journal Article
LanguageEnglish
Published London Nature Publishing Group UK 20.03.2015
Nature Publishing Group
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Summary:We have synthesized three silicon phthalocyanine dyes with different hydrophobic substituents in order to control surface energy in the solid state, aiming at selective loading of the dyes into blend films of poly(3-hexylthiophene) (P3HT) and polystyrene (PS). These three dyes are differently located at P3HT domains, at P3HT/PS interface and at PS domains, respectively, which are fully consistent with the locations predicted by the wetting coefficient derived from the surface energy of each material.
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ISSN:2045-2322
2045-2322
DOI:10.1038/srep09321