Swelling of poly(3-alkylthiophene) films exposed to solvent vapors and humidity: Evaluation of solubility parameters

被引：84

作者：

Jaczewska, J. ^{[1
]}

Raptis, I. ^{[2
]}

Budkowski, A. ^{[1
]}

Goustouridis, D. ^{[2
]}

Raczkowska, J. ^{[1
]}

Sanopoulou, A. ^{[3
]}

Pamula, E. ^{[2
,4
]}

Bernasik, A. ^{[5
]}

Rysz, J. ^{[1
]}

机构：

[1] Jagiellonian Univ, M Smoluchowski Inst Phys, PL-30059 Krakow, Poland

[2] NCSR Demokritos, Inst Microelect, Athens, Greece

[3] NCSR Demokritos, Inst Chem Phys, Athens, Greece

[4] AGH Univ Sci & Technol, Fac Mat Sci & Ceram, PL-30059 Krakow, Poland

[5] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, PL-30059 Krakow, Poland

来源：

SYNTHETIC METALS | 2007年 / 157卷 / 18-20期

关键词：

interferometry; swelling; poly(3-alkylthiophene)s; regioregularity; solubility parameter; solution processing;

D O I：

10.1016/j.synthmet.2007.07.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

White light interferometry was used to determine the swelling of poly(3-alkylthiophene)s (P3ATs), with different head-to-tail regioregularity, exposed to different volatile compounds (VCs): humidity, cyclohexanone, tetrahydrofuran and chloroform. Film expansion increases always from regioregular R-P3DDT, R-P3HT to regiorandorn P3BT, P3DDT. Regular solution approach was used to determine Flory-Huggins interaction parameter between P3ATs and VCs. Solubility parameters Sp similar to 16.9 +/- 0.8, 15.3 +/- 0.4, 13.1 +/- 0.3, and 12.5 +/- 0.2 MPa1/2 evaluated for P3DDT, P3BT, R-P3HT, and R-P3DDT, respectively, were confirmed by the values extrapolated from surface tension data. Evaluated Sp values should allow an easier strategy for P3AT solution processing aimed at optimized film structure of MAT polymers and their blends. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：726 / 732

页数：7

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