Influence of a non-ionic surfactant on the UV-vis absorption features of regioregular head-to-tail poly (3-hexylthiophene) in water-based dispersions

被引:12
作者
Fraleoni-Morgera, A [1 ]
Marazzita, S [1 ]
Frascaro, D [1 ]
Setti, L [1 ]
机构
[1] Univ Bologna, Fac Ind Chem, Dept Ind Chem & Mat, Spinner Consortium, Bologna, Italy
关键词
polythiophenes; solvatochromism; UV-vis spectroscopy; non-ionic surfactant; water;
D O I
10.1016/j.synthmet.2004.06.039
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
aThe use of a non-ionic surfactant for preparing a stable aqueous dispersion of regioregular head-to-tail poly(3-hexylthiophene) (R-P3HT) is described. The spectral features of a THF solution of R-P3HT dispersed in water are investigated by means of UV-vis absorption spectroscopy. A clear difference between the classical solvatochromic phenomenology and the behaviour of the realized polymer/THF/water/surfactant system is observed. pointing to interactions between the polymeric alkylic side chains and the surfactant hydrophobic tail. From a technological point of view. the presented water-based dispersions, reducing use of toxic organic solvents, may be an interesting and environmentally friendly approach to the processing of conjugated polymers. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:149 / 154
页数:6
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