Self-Assembly of a Conjugated Triblock Copolymer at the Air-Water Interface

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Self-Assembly of a Conjugated Triblock Copolymer at the Air-Water Interface

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Title: Self-Assembly of a Conjugated Triblock Copolymer at the Air-Water Interface
Author(s):
Zhao, L.;
Feng, C.;
Pang, X.;
Jung, J.;
Stefan, Mihaela C.;
Sista, Prakash;
Han, R.;
Fang, N.;
Lin, Z.
Date Created: 2013-06-27
Item Type: Article
Keywords: Monomolecular films
Block copolymers
Water
Conjugated polymers
Description: Includes supplementary material
Abstract: Controlling the self-assembly of highly luminescent conjugated polymers is essential for preparing various optoelectronic devices. In this study, a polyisoprene-b-polystyrene-b-poly(3-hexylthiophene) (PI-PS-P3HT) triblock copolymer was synthesized and readily self-assembled into network-like morphologies via dewetting at the air-water interface. Interestingly, the monolayer thick film displayed high photoluminescence (PL) as a result of successfully transferring the amorphous conjugated P3HT chains in the PI-PS-P3HT triblock copolymer from the solution state to the solid state. A model was proposed to illustrate the supramolecular organization of the PI-PS-P3HT monolayer. To the best of our knowledge, this is the first study of a hydrophobic conjugated block copolymer at the air-water interface, from which the conjugated polymer-based monolayer with highly efficient PL formed by dewetting was achieved.
ISSN: 1744-683X
Source: Soft Matter
Link to Related Resource: http://dx.doi.org/10.1039/c3sm51488a
Persistent Link: http://hdl.handle.net/10735.1/3948
Bibliographic Citation: Zhao, L., C. Feng, X. Pang, J. Jung, et al. 2013. "Self-assembly of a conjugated triblock copolymer at the air-water interface." Soft Matter 9(33): 8050-8056
Terms of Use: ©2013 The Royal Society of Chemistry. This article may not be further made available or distributed.
Sponsors: NSF (Career DMR-0956116); Welch Foundation (AT-1740); NSF-MGI (CHE-1126177)

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