Phase behavior of blends of PCBM with amorphous polymers with different aromaticity

Gabriel Bernardo; Deb Nabankur; Stephen M. King; David Bucknall

doi:10.1002/polb.24002

Phase behavior of blends of PCBM with amorphous polymers with different aromaticity

Gabriel Bernardo, Deb Nabankur, Stephen M. King, David Bucknall

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Abstract

The phase behavior of [6,6]-phenyl C61-butyric acid methyl ester (PCBM) blends with amorphous polymers with different degrees of aromaticity has been investigated by differential scanning calorimetry (DSC) and small-angle neutron scattering (SANS). The polymers investigated are the homologous series of polystyrene (PS), poly(2-vinyl-naphthalene) (P2VN), and poly(9-vinyl-phenanthrene) (P9VPh). The DSC results show that the miscibility of PCBM in these polymers increases nonlinearly from 16.5 wt % in PS, 57.0 wt % in P2VN, and 74.9 wt % in P9VPh. The SANS results show that at all concentrations of PCBM, the blends are composed of two mixed phases. Analysis shows that the phase dimensions remain largely independent of PCBM content, but there is a strong dependence of the PCBM concentration difference in the two phases with increasing PCBM content.

Original language	English
Pages (from-to)	994–1001
Number of pages	8
Journal	Journal of Polymer Science Part B: Polymer Physics
Volume	54
Issue number	10
Early online date	11 Feb 2016
DOIs	https://doi.org/10.1002/polb.24002
Publication status	Published - 15 May 2016

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This is the peer reviewed version of the following article: Bernardo, G., Deb, N., King, S. M. and Bucknall, D. G. (2016), Phase behavior of blends of PCBM with amorphous polymers with different aromaticity. J. Polym. Sci. Part B: Polym. Phys., which has been published in final form at doi:10.1002/polb.24002. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
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title = "Phase behavior of blends of PCBM with amorphous polymers with different aromaticity",

abstract = "The phase behavior of [6,6]-phenyl C61-butyric acid methyl ester (PCBM) blends with amorphous polymers with different degrees of aromaticity has been investigated by differential scanning calorimetry (DSC) and small-angle neutron scattering (SANS). The polymers investigated are the homologous series of polystyrene (PS), poly(2-vinyl-naphthalene) (P2VN), and poly(9-vinyl-phenanthrene) (P9VPh). The DSC results show that the miscibility of PCBM in these polymers increases nonlinearly from 16.5 wt % in PS, 57.0 wt % in P2VN, and 74.9 wt % in P9VPh. The SANS results show that at all concentrations of PCBM, the blends are composed of two mixed phases. Analysis shows that the phase dimensions remain largely independent of PCBM content, but there is a strong dependence of the PCBM concentration difference in the two phases with increasing PCBM content.",

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T1 - Phase behavior of blends of PCBM with amorphous polymers with different aromaticity

AU - Bernardo, Gabriel

AU - Nabankur, Deb

AU - King, Stephen M.

AU - Bucknall, David

PY - 2016/5/15

Y1 - 2016/5/15

N2 - The phase behavior of [6,6]-phenyl C61-butyric acid methyl ester (PCBM) blends with amorphous polymers with different degrees of aromaticity has been investigated by differential scanning calorimetry (DSC) and small-angle neutron scattering (SANS). The polymers investigated are the homologous series of polystyrene (PS), poly(2-vinyl-naphthalene) (P2VN), and poly(9-vinyl-phenanthrene) (P9VPh). The DSC results show that the miscibility of PCBM in these polymers increases nonlinearly from 16.5 wt % in PS, 57.0 wt % in P2VN, and 74.9 wt % in P9VPh. The SANS results show that at all concentrations of PCBM, the blends are composed of two mixed phases. Analysis shows that the phase dimensions remain largely independent of PCBM content, but there is a strong dependence of the PCBM concentration difference in the two phases with increasing PCBM content.

AB - The phase behavior of [6,6]-phenyl C61-butyric acid methyl ester (PCBM) blends with amorphous polymers with different degrees of aromaticity has been investigated by differential scanning calorimetry (DSC) and small-angle neutron scattering (SANS). The polymers investigated are the homologous series of polystyrene (PS), poly(2-vinyl-naphthalene) (P2VN), and poly(9-vinyl-phenanthrene) (P9VPh). The DSC results show that the miscibility of PCBM in these polymers increases nonlinearly from 16.5 wt % in PS, 57.0 wt % in P2VN, and 74.9 wt % in P9VPh. The SANS results show that at all concentrations of PCBM, the blends are composed of two mixed phases. Analysis shows that the phase dimensions remain largely independent of PCBM content, but there is a strong dependence of the PCBM concentration difference in the two phases with increasing PCBM content.

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DO - 10.1002/polb.24002

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Phase behavior of blends of PCBM with amorphous polymers with different aromaticity

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