Electrical and Optical Properties of a Poly(p-Phenylenevinylene) Derivative with a Mesogenic Substituent
Electrical and optical properties of a poly( p -phenylenevinylene) derivative substituted with a long side chain containing alkoxybiphenyl mesogenic unit have been studied. A liquid-crystalline molecular alignment and layer structure have been confirmed by optical microscopic observation and X-ray d...
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| Veröffentlicht in: | Japanese Journal of Applied Physics 1998-07, Vol.37 (7B), p.L882 |
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| container_issue | 7B |
| container_start_page | L882 |
| container_title | Japanese Journal of Applied Physics |
| container_volume | 37 |
| creator | Masanori Ozaki, Masanori Ozaki Shoji Okazaki, Shoji Okazaki Mitsuyoshi Onoda, Mitsuyoshi Onoda Katsumi Yoshino, Katsumi Yoshino |
| description | Electrical and optical properties of a poly(
p
-phenylenevinylene) derivative substituted with a long side chain containing alkoxybiphenyl mesogenic unit have been studied. A liquid-crystalline molecular alignment and layer structure have been confirmed by optical microscopic observation and X-ray diffraction measurement, respectively. The dielectric constant changes in a stepwise manner at phase transition temperatures. The band gap of the new polymer in the liquid-crystalline phase has been evaluated to be 2.3 eV, which monotonously decreases with decreasing temperature. A photoluminescence peak was observed at around 560 nm, which corresponds to the emission originating from the poly(
p
-phenylenevinylene) main chain. An electroluminescnce device has been fabricated using this liquid-crystalline polymer and it has been found that the emission spectra depend on the polarity of the applied electric field. |
| doi_str_mv | 10.1143/JJAP.37.L882 |
| format | Article |
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p
-phenylenevinylene) derivative substituted with a long side chain containing alkoxybiphenyl mesogenic unit have been studied. A liquid-crystalline molecular alignment and layer structure have been confirmed by optical microscopic observation and X-ray diffraction measurement, respectively. The dielectric constant changes in a stepwise manner at phase transition temperatures. The band gap of the new polymer in the liquid-crystalline phase has been evaluated to be 2.3 eV, which monotonously decreases with decreasing temperature. A photoluminescence peak was observed at around 560 nm, which corresponds to the emission originating from the poly(
p
-phenylenevinylene) main chain. An electroluminescnce device has been fabricated using this liquid-crystalline polymer and it has been found that the emission spectra depend on the polarity of the applied electric field.</description><identifier>ISSN: 0021-4922</identifier><identifier>EISSN: 1347-4065</identifier><identifier>DOI: 10.1143/JJAP.37.L882</identifier><language>eng</language><ispartof>Japanese Journal of Applied Physics, 1998-07, Vol.37 (7B), p.L882</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c299t-73e0c40b6d4c459f19e9d77490763d94df513cb225cc8cf7e481cbe18ff43b493</citedby><cites>FETCH-LOGICAL-c299t-73e0c40b6d4c459f19e9d77490763d94df513cb225cc8cf7e481cbe18ff43b493</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Masanori Ozaki, Masanori Ozaki</creatorcontrib><creatorcontrib>Shoji Okazaki, Shoji Okazaki</creatorcontrib><creatorcontrib>Mitsuyoshi Onoda, Mitsuyoshi Onoda</creatorcontrib><creatorcontrib>Katsumi Yoshino, Katsumi Yoshino</creatorcontrib><title>Electrical and Optical Properties of a Poly(p-Phenylenevinylene) Derivative with a Mesogenic Substituent</title><title>Japanese Journal of Applied Physics</title><description>Electrical and optical properties of a poly(
p
-phenylenevinylene) derivative substituted with a long side chain containing alkoxybiphenyl mesogenic unit have been studied. A liquid-crystalline molecular alignment and layer structure have been confirmed by optical microscopic observation and X-ray diffraction measurement, respectively. The dielectric constant changes in a stepwise manner at phase transition temperatures. The band gap of the new polymer in the liquid-crystalline phase has been evaluated to be 2.3 eV, which monotonously decreases with decreasing temperature. A photoluminescence peak was observed at around 560 nm, which corresponds to the emission originating from the poly(
p
-phenylenevinylene) main chain. An electroluminescnce device has been fabricated using this liquid-crystalline polymer and it has been found that the emission spectra depend on the polarity of the applied electric field.</description><issn>0021-4922</issn><issn>1347-4065</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNotkMtOwzAURC0EEqWw4wO8BIkUP27ieFmV8qiKGglYR4lzTY1CEtluUf-elrI6M9JoFoeQa84mnIO8XyymxUSqyTLPxQkZcQkqAZalp2TEmOAJaCHOyUUIX_uapcBHZD1v0UTvTNXSqmvoaoh_ufD9gD46DLS3tKJF3-5uhqRYY7drscOtO_KWPqB32yq6LdIfF9f77SuG_hM7Z-jbpg7RxQ128ZKc2aoNePXPMfl4nL_PnpPl6ullNl0mRmgdEyWRGWB11oCBVFuuUTdKgWYqk42GxqZcmlqI1JjcWIWQc1Mjz60FWYOWY3J3_DW-D8GjLQfvviu_KzkrD5bKg6VSqvJgSf4CbxxcPw</recordid><startdate>19980715</startdate><enddate>19980715</enddate><creator>Masanori Ozaki, Masanori Ozaki</creator><creator>Shoji Okazaki, Shoji Okazaki</creator><creator>Mitsuyoshi Onoda, Mitsuyoshi Onoda</creator><creator>Katsumi Yoshino, Katsumi Yoshino</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19980715</creationdate><title>Electrical and Optical Properties of a Poly(p-Phenylenevinylene) Derivative with a Mesogenic Substituent</title><author>Masanori Ozaki, Masanori Ozaki ; Shoji Okazaki, Shoji Okazaki ; Mitsuyoshi Onoda, Mitsuyoshi Onoda ; Katsumi Yoshino, Katsumi Yoshino</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c299t-73e0c40b6d4c459f19e9d77490763d94df513cb225cc8cf7e481cbe18ff43b493</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Masanori Ozaki, Masanori Ozaki</creatorcontrib><creatorcontrib>Shoji Okazaki, Shoji Okazaki</creatorcontrib><creatorcontrib>Mitsuyoshi Onoda, Mitsuyoshi Onoda</creatorcontrib><creatorcontrib>Katsumi Yoshino, Katsumi Yoshino</creatorcontrib><collection>CrossRef</collection><jtitle>Japanese Journal of Applied Physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Masanori Ozaki, Masanori Ozaki</au><au>Shoji Okazaki, Shoji Okazaki</au><au>Mitsuyoshi Onoda, Mitsuyoshi Onoda</au><au>Katsumi Yoshino, Katsumi Yoshino</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrical and Optical Properties of a Poly(p-Phenylenevinylene) Derivative with a Mesogenic Substituent</atitle><jtitle>Japanese Journal of Applied Physics</jtitle><date>1998-07-15</date><risdate>1998</risdate><volume>37</volume><issue>7B</issue><spage>L882</spage><pages>L882-</pages><issn>0021-4922</issn><eissn>1347-4065</eissn><abstract>Electrical and optical properties of a poly(
p
-phenylenevinylene) derivative substituted with a long side chain containing alkoxybiphenyl mesogenic unit have been studied. A liquid-crystalline molecular alignment and layer structure have been confirmed by optical microscopic observation and X-ray diffraction measurement, respectively. The dielectric constant changes in a stepwise manner at phase transition temperatures. The band gap of the new polymer in the liquid-crystalline phase has been evaluated to be 2.3 eV, which monotonously decreases with decreasing temperature. A photoluminescence peak was observed at around 560 nm, which corresponds to the emission originating from the poly(
p
-phenylenevinylene) main chain. An electroluminescnce device has been fabricated using this liquid-crystalline polymer and it has been found that the emission spectra depend on the polarity of the applied electric field.</abstract><doi>10.1143/JJAP.37.L882</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-4922 |
| ispartof | Japanese Journal of Applied Physics, 1998-07, Vol.37 (7B), p.L882 |
| issn | 0021-4922 1347-4065 |
| language | eng |
| recordid | cdi_crossref_primary_10_1143_JJAP_37_L882 |
| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| title | Electrical and Optical Properties of a Poly(p-Phenylenevinylene) Derivative with a Mesogenic Substituent |
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