Abstract

We investigated the polarized-laser chemical vapor deposition for seven kinds of monomers of cyanobiphenyl-type side chain liquid crystalline polymers. We used KrF excimer laser with glan laser prism to obtain linear polarization. The orientational order parameter increased with increasing deposition time. When second harmonics of Nd:YAG laser was used, the film showed no orientation. The orientational order parameter of the deposited films was related to the phase transitions and glass transition temperatures of corresponding polymers. The orientation could be attributed to anisotropic photochemical reactions induced by absorption of polarized light.

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