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Journal articles
Synthesis and Thin Film Phase Behaviour of Functional Rod-Coil Block Copolymers Based on Poly(para-phenylenevinylene) and Poly(lactic acid)
Abstract : We report the synthesis of a series of block copolymers consisting of a rod-like semiconducting poly(2,5-di(2'-ethylhexyloxy)-1,4-phenylenevinylene) (DEH-PPV) block and a flexible poly(lactic acid) (PLA) block that can be selectively degraded under mild conditions. Such selectively degradable block copolymers are designed as self-assembling templates for bulk heterojunction donor-acceptor layers in organic solar cells. A lamellar microphase-separated domain structure was identified for block copolymers with PLA volume fractions between 29 and 79% in bulk and thin films using SAXS, TEM, and AFM. Depending on the ratio of the two blocks we find either lamellae oriented parallel or perpendicular to the substrate in thin films.
https://hal.archives-ouvertes.fr/hal-00951691
Contributor : Dominique Richard <>
Submitted on : Tuesday, February 25, 2014 - 11:21:01 AM
Last modification on : Thursday, November 5, 2020 - 3:19:12 PM
Contributor : Dominique Richard <>
Submitted on : Tuesday, February 25, 2014 - 11:21:01 AM
Last modification on : Thursday, November 5, 2020 - 3:19:12 PM
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