Nematic solvation of segmented polymer chains

S. Link; D. Hu; W. S. Chang; G. D. Scholes; P. F. Barbara

doi:10.1021/nl051108l

Nematic solvation of segmented polymer chains

S. Link, D. Hu, W. S. Chang, G. D. Scholes, P. F. Barbara

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

We examine the effect of polymer chain segmentation on the recently discovered ability of nematic solvents to elongate and align polymer chain solutes. Coordinated single molecule spectroscopy and beads-on-a-chain simulations are used to study the orientational and conformational order of a series of segmented conjugated polymers, dissolved in the nematic liquid crystal 5CB. The order parameters for alignment and elongation are both observed to decrease with increasing segmentation, reflecting an interplay among conformational entropy, solvation anisotropy, and bending energy of the chain.

Original language	English (US)
Pages (from-to)	1757-1760
Number of pages	4
Journal	Nano Letters
Volume	5
Issue number	9
DOIs	https://doi.org/10.1021/nl051108l
State	Published - Sep 1 2005
Externally published	Yes

All Science Journal Classification (ASJC) codes

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

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10.1021/nl051108l

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AU - Link, S.

AU - Hu, D.

AU - Chang, W. S.

AU - Scholes, G. D.

AU - Barbara, P. F.

PY - 2005/9/1

Y1 - 2005/9/1

N2 - We examine the effect of polymer chain segmentation on the recently discovered ability of nematic solvents to elongate and align polymer chain solutes. Coordinated single molecule spectroscopy and beads-on-a-chain simulations are used to study the orientational and conformational order of a series of segmented conjugated polymers, dissolved in the nematic liquid crystal 5CB. The order parameters for alignment and elongation are both observed to decrease with increasing segmentation, reflecting an interplay among conformational entropy, solvation anisotropy, and bending energy of the chain.

AB - We examine the effect of polymer chain segmentation on the recently discovered ability of nematic solvents to elongate and align polymer chain solutes. Coordinated single molecule spectroscopy and beads-on-a-chain simulations are used to study the orientational and conformational order of a series of segmented conjugated polymers, dissolved in the nematic liquid crystal 5CB. The order parameters for alignment and elongation are both observed to decrease with increasing segmentation, reflecting an interplay among conformational entropy, solvation anisotropy, and bending energy of the chain.

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JO - Nano Letters

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Nematic solvation of segmented polymer chains

Abstract

All Science Journal Classification (ASJC) codes

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