Mechanism of photo-induced liquid crystal alignment on a poly(vinyl cinnamate) thin layer
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Kim, Hee-Tak | ko |
| dc.contributor.author | Lee, JW | ko |
| dc.contributor.author | Sung, SJ | ko |
| dc.contributor.author | Park, Jung-Ki | ko |
| dc.date.accessioned | 2013-03-03T23:57:19Z | - |
| dc.date.available | 2013-03-03T23:57:19Z | - |
| dc.date.created | 2012-02-06 | - |
| dc.date.created | 2012-02-06 | - |
| dc.date.issued | 2001-01 | - |
| dc.identifier.citation | POLYMER JOURNAL, v.33, no.1, pp.9 - 12 | - |
| dc.identifier.issn | 0032-3896 | - |
| dc.identifier.uri | http://hdl.handle.net/10203/80973 | - |
| dc.description.abstract | The mechanism of photo-induced liquid crystal (LC) alignment on a poly(vinyl cinnamate) (PVCi) thin layer was studied. By spectral analysis for the polarized UV spectra of the PVCi thin layer exposed to a polarized UV, dichroism of the photo-dimer and photo-isomer could be determined. To elucidate the mechanism of photo-induced LC alignment, changes in the dichroism of the photo-products and photoaligned LC were investigated with two successive irradiations of polarized UV (250-340 nm) with different polarization directions to the PVCi thin layer. The dichroism of the photoaligned LC was found to follow not the dichroism of the photo-isomer but that of the photo-dimer, which indicates that the anisotropic distribution of the photo-dimer is mainly responsible for uniform LC alignment. | - |
| dc.language | English | - |
| dc.publisher | SOC POLYMER SCIENCE JAPAN | - |
| dc.subject | SIDE-CHAINS | - |
| dc.subject | PHOTOALIGNMENT | - |
| dc.subject | POLYMETHACRYLATES | - |
| dc.subject | FILMS | - |
| dc.title | Mechanism of photo-induced liquid crystal alignment on a poly(vinyl cinnamate) thin layer | - |
| dc.type | Article | - |
| dc.identifier.wosid | 000167403100002 | - |
| dc.identifier.scopusid | 2-s2.0-0035078214 | - |
| dc.type.rims | ART | - |
| dc.citation.volume | 33 | - |
| dc.citation.issue | 1 | - |
| dc.citation.beginningpage | 9 | - |
| dc.citation.endingpage | 12 | - |
| dc.citation.publicationname | POLYMER JOURNAL | - |
| dc.contributor.localauthor | Kim, Hee-Tak | - |
| dc.contributor.localauthor | Park, Jung-Ki | - |
| dc.contributor.nonIdAuthor | Lee, JW | - |
| dc.contributor.nonIdAuthor | Sung, SJ | - |
| dc.type.journalArticle | Article | - |
| dc.subject.keywordAuthor | photo-alignment mechanism | - |
| dc.subject.keywordAuthor | liquid crystal | - |
| dc.subject.keywordAuthor | pply(vinyl cinnamate) | - |
| dc.subject.keywordPlus | SIDE-CHAINS | - |
| dc.subject.keywordPlus | PHOTOALIGNMENT | - |
| dc.subject.keywordPlus | POLYMETHACRYLATES | - |
| dc.subject.keywordPlus | FILMS | - |
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