Control of Induced Chirality in Optically Active Poly(N‐propargylcarbamate) Films by Solvent Vapor
Chiral polyethyne derivatives with lyotropic liquid‐crystalline properties are found to be able to self‐assemble, forming two chiral organizations with opposite handedness in solid thin films by selection of the casting solvent and its concentration. After the film preparation, chiral organization c...
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| Veröffentlicht in: | Macromolecular rapid communications. 2009-08, Vol.30 (15), p.1334-1338 |
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| creator | Fukushima, Toshiyuki Tsuchihara, Kenji |
| description | Chiral polyethyne derivatives with lyotropic liquid‐crystalline properties are found to be able to self‐assemble, forming two chiral organizations with opposite handedness in solid thin films by selection of the casting solvent and its concentration. After the film preparation, chiral organization could also be induced by simple exposure to an appropriate organic solvent's vapor for several minutes without thermal treatment. Furthermore, irreversible inversion of the handedness of the chiral organization in the film could be achieved by exposure to solvent vapor.
Chiral polyethyne derivatives with lyotropic liquid crystalline properties exhibited characteristic induced chirality in their films, which was detected by circular‐dichroism spectroscopy. The induced chirality in the film was highly dependent on the casting solvent and concentration. As a versatile method, exposure to organic‐solvent vapor at room temperature induced and inversed the characteristic chirality in the film. |
| doi_str_mv | 10.1002/marc.200900156 |
| format | Article |
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Chiral polyethyne derivatives with lyotropic liquid crystalline properties exhibited characteristic induced chirality in their films, which was detected by circular‐dichroism spectroscopy. The induced chirality in the film was highly dependent on the casting solvent and concentration. As a versatile method, exposure to organic‐solvent vapor at room temperature induced and inversed the characteristic chirality in the film.</description><identifier>ISSN: 1022-1336</identifier><identifier>EISSN: 1521-3927</identifier><identifier>DOI: 10.1002/marc.200900156</identifier><identifier>PMID: 21638388</identifier><language>eng</language><publisher>Weinheim: WILEY‐VCH Verlag</publisher><subject>chiral ; Chirality ; Derivatives ; Handedness ; Inversions ; liquid crystal ; Optical activity ; Organizations ; polyethynes ; self‐assembly ; Solvents ; Thin films</subject><ispartof>Macromolecular rapid communications., 2009-08, Vol.30 (15), p.1334-1338</ispartof><rights>Copyright © 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><rights>Copyright © 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4426-3a7e4fa4de36cd0974ab9cb9ae341375d22800a545491268d2159cb5abe0ba5e3</citedby><cites>FETCH-LOGICAL-c4426-3a7e4fa4de36cd0974ab9cb9ae341375d22800a545491268d2159cb5abe0ba5e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fmarc.200900156$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fmarc.200900156$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21638388$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Fukushima, Toshiyuki</creatorcontrib><creatorcontrib>Tsuchihara, Kenji</creatorcontrib><title>Control of Induced Chirality in Optically Active Poly(N‐propargylcarbamate) Films by Solvent Vapor</title><title>Macromolecular rapid communications.</title><addtitle>Macromol Rapid Commun</addtitle><description>Chiral polyethyne derivatives with lyotropic liquid‐crystalline properties are found to be able to self‐assemble, forming two chiral organizations with opposite handedness in solid thin films by selection of the casting solvent and its concentration. After the film preparation, chiral organization could also be induced by simple exposure to an appropriate organic solvent's vapor for several minutes without thermal treatment. Furthermore, irreversible inversion of the handedness of the chiral organization in the film could be achieved by exposure to solvent vapor.
Chiral polyethyne derivatives with lyotropic liquid crystalline properties exhibited characteristic induced chirality in their films, which was detected by circular‐dichroism spectroscopy. The induced chirality in the film was highly dependent on the casting solvent and concentration. As a versatile method, exposure to organic‐solvent vapor at room temperature induced and inversed the characteristic chirality in the film.</description><subject>chiral</subject><subject>Chirality</subject><subject>Derivatives</subject><subject>Handedness</subject><subject>Inversions</subject><subject>liquid crystal</subject><subject>Optical activity</subject><subject>Organizations</subject><subject>polyethynes</subject><subject>self‐assembly</subject><subject>Solvents</subject><subject>Thin films</subject><issn>1022-1336</issn><issn>1521-3927</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkUtP3DAQx60KVGDba4_IN-CQZfzIw8dVxGMlKFVf12jieMHIiYOdBeXGR-hn7CdpVkvhyGlGmt_8NJo_IV8YzBkAP20x6DkHUAAszT6QfZZylgjF852pB84TJkS2Rw5ivAeAQgL_SPY4y0QhimKfNKXvhuAd9Su67Jq1Ng0t72xAZ4eR2o7e9IPV6NxIF3qwj4Z-8248_vr3-U8ffI_hdnQaQ40tDuaEnlvXRlqP9Id3j6Yb6G_sffhEdlfoovn8Umfk1_nZz_Iyubq5WJaLq0RLybNEYG7kCmVjRKYbULnEWulaoRGSiTxtOC8AMJWpVIxnRcNZOs1TrA3UmBoxI0db73Taw9rEoWpt1MY57Ixfx6rIgSsmuXqXzCe0kDLfkPMtqYOPMZhV1Qc7fX2sGFSbCKpNBNVrBNPC4Yt6XbemecX__3wC1BZ4ss6M7-iq68X38k3-D8i9k-E</recordid><startdate>20090803</startdate><enddate>20090803</enddate><creator>Fukushima, Toshiyuki</creator><creator>Tsuchihara, Kenji</creator><general>WILEY‐VCH Verlag</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20090803</creationdate><title>Control of Induced Chirality in Optically Active Poly(N‐propargylcarbamate) Films by Solvent Vapor</title><author>Fukushima, Toshiyuki ; Tsuchihara, Kenji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4426-3a7e4fa4de36cd0974ab9cb9ae341375d22800a545491268d2159cb5abe0ba5e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>chiral</topic><topic>Chirality</topic><topic>Derivatives</topic><topic>Handedness</topic><topic>Inversions</topic><topic>liquid crystal</topic><topic>Optical activity</topic><topic>Organizations</topic><topic>polyethynes</topic><topic>self‐assembly</topic><topic>Solvents</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fukushima, Toshiyuki</creatorcontrib><creatorcontrib>Tsuchihara, Kenji</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Macromolecular rapid communications.</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fukushima, Toshiyuki</au><au>Tsuchihara, Kenji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Control of Induced Chirality in Optically Active Poly(N‐propargylcarbamate) Films by Solvent Vapor</atitle><jtitle>Macromolecular rapid communications.</jtitle><addtitle>Macromol Rapid Commun</addtitle><date>2009-08-03</date><risdate>2009</risdate><volume>30</volume><issue>15</issue><spage>1334</spage><epage>1338</epage><pages>1334-1338</pages><issn>1022-1336</issn><eissn>1521-3927</eissn><abstract>Chiral polyethyne derivatives with lyotropic liquid‐crystalline properties are found to be able to self‐assemble, forming two chiral organizations with opposite handedness in solid thin films by selection of the casting solvent and its concentration. After the film preparation, chiral organization could also be induced by simple exposure to an appropriate organic solvent's vapor for several minutes without thermal treatment. Furthermore, irreversible inversion of the handedness of the chiral organization in the film could be achieved by exposure to solvent vapor.
Chiral polyethyne derivatives with lyotropic liquid crystalline properties exhibited characteristic induced chirality in their films, which was detected by circular‐dichroism spectroscopy. The induced chirality in the film was highly dependent on the casting solvent and concentration. As a versatile method, exposure to organic‐solvent vapor at room temperature induced and inversed the characteristic chirality in the film.</abstract><cop>Weinheim</cop><pub>WILEY‐VCH Verlag</pub><pmid>21638388</pmid><doi>10.1002/marc.200900156</doi><tpages>5</tpages></addata></record> |
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| subjects | chiral Chirality Derivatives Handedness Inversions liquid crystal Optical activity Organizations polyethynes self‐assembly Solvents Thin films |
| title | Control of Induced Chirality in Optically Active Poly(N‐propargylcarbamate) Films by Solvent Vapor |
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