EPITAXIAL-GROWTH AND PHOTOPOLYMERIZATION OF DIACETYLENE FILMS ON ORIENTED LAYERS OF POLY(TETRAFLUOROETHYLENE)

被引:15
作者
MEYER, S
SMITH, P
WITTMANN, JC
机构
[1] Institut Charles Sadron, 67083 Strasbourg
关键词
D O I
10.1063/1.359208
中图分类号
O59 [应用物理学];
学科分类号
摘要
Highly oriented polydiacetylene thin films were prepared by epitaxial polymerization of vacuum deposited monomer 5,7-dodecadiyne 1,12 diol bis{[(4-butoxy carbonyl) methyl] urethane} (4-BCMU) on friction-transferred poly(tetrafluoroethylene) (PTFE) substrates. Detailed structural and morphological studies were performed using UV-dichroism measurements, optical and transmission electron microscopy, and suggest that 4-BCMU grows epitaxially on PTFE as a result of a near perfect lattice matching. The oriented monomer layer is converted by photopolymerization into a highly oriented polymer layer with a unique poly(4-BCMU)/PTFE chain to chain orientation and a well defined ac contact plane. Annealing of the monomer layer, prior to photopolymerization, is shown to strongly enhance the final degree of ordering of the polydiacetylene thin films. © 1995 American Institute of Physics.
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页码:5655 / 5660
页数:6
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