Temperature dependent cubic and hexagonal close packing in micellar structures
The interfacial structure and phase diagram of a micellar solution formed by the three block copolymer (EO 20 -PO 70 -EO 20 ) also known as P123 solved in deuterated water close to a solid boundary is investigated with respect to temperature. We find a hysteretic behavior of the d -spacing of the mi...
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| Veröffentlicht in: | Soft matter 2014-11, Vol.1 (42), p.842-8426 |
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| creator | Wolff, Nicole Gerth, Stefan Gutfreund, Philipp Wolff, Max |
| description | The interfacial structure and phase diagram of a micellar solution formed by the three block copolymer (EO
20
-PO
70
-EO
20
) also known as P123 solved in deuterated water close to a solid boundary is investigated with respect to temperature. We find a hysteretic behavior of the
d
-spacing of the micellar crystal and a spontaneous change in the lateral correlation length going hand in hand with a structural reorganization between cubic and hexagonal. The phase transitions may be initiated by a change in the shape of the micelles from spherical to elongated together with a minimization of the polymer water interface.
The delicate correlation of temperature, micellar properties and type of structure is investigated for a micellar crystal at a solid boundary. The cubic and hexagonal close packing is analyzed in detail by grazing incidence neutron scattering. |
| doi_str_mv | 10.1039/c4sm01569j |
| format | Article |
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20
-PO
70
-EO
20
) also known as P123 solved in deuterated water close to a solid boundary is investigated with respect to temperature. We find a hysteretic behavior of the
d
-spacing of the micellar crystal and a spontaneous change in the lateral correlation length going hand in hand with a structural reorganization between cubic and hexagonal. The phase transitions may be initiated by a change in the shape of the micelles from spherical to elongated together with a minimization of the polymer water interface.
The delicate correlation of temperature, micellar properties and type of structure is investigated for a micellar crystal at a solid boundary. The cubic and hexagonal close packing is analyzed in detail by grazing incidence neutron scattering.</description><identifier>ISSN: 1744-683X</identifier><identifier>ISSN: 1744-6848</identifier><identifier>EISSN: 1744-6848</identifier><identifier>DOI: 10.1039/c4sm01569j</identifier><identifier>PMID: 25212786</identifier><language>eng</language><publisher>England</publisher><subject>Block copolymers ; Boundaries ; Correlation ; Crystal structure ; Elongation ; Hysteresis ; Optimization ; Phase diagrams</subject><ispartof>Soft matter, 2014-11, Vol.1 (42), p.842-8426</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c478t-8e86e39fd665a6240c016dd18762103d7836a2d68739c0f5b321911e7347bbfb3</citedby><cites>FETCH-LOGICAL-c478t-8e86e39fd665a6240c016dd18762103d7836a2d68739c0f5b321911e7347bbfb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25212786$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-236027$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Wolff, Nicole</creatorcontrib><creatorcontrib>Gerth, Stefan</creatorcontrib><creatorcontrib>Gutfreund, Philipp</creatorcontrib><creatorcontrib>Wolff, Max</creatorcontrib><title>Temperature dependent cubic and hexagonal close packing in micellar structures</title><title>Soft matter</title><addtitle>Soft Matter</addtitle><description>The interfacial structure and phase diagram of a micellar solution formed by the three block copolymer (EO
20
-PO
70
-EO
20
) also known as P123 solved in deuterated water close to a solid boundary is investigated with respect to temperature. We find a hysteretic behavior of the
d
-spacing of the micellar crystal and a spontaneous change in the lateral correlation length going hand in hand with a structural reorganization between cubic and hexagonal. The phase transitions may be initiated by a change in the shape of the micelles from spherical to elongated together with a minimization of the polymer water interface.
The delicate correlation of temperature, micellar properties and type of structure is investigated for a micellar crystal at a solid boundary. The cubic and hexagonal close packing is analyzed in detail by grazing incidence neutron scattering.</description><subject>Block copolymers</subject><subject>Boundaries</subject><subject>Correlation</subject><subject>Crystal structure</subject><subject>Elongation</subject><subject>Hysteresis</subject><subject>Optimization</subject><subject>Phase diagrams</subject><issn>1744-683X</issn><issn>1744-6848</issn><issn>1744-6848</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqNkUtPFEEURitEA4hs3GuKnTGM1KvrsSSDigRhARh3leqq20Njv6jqCvDv7WFg2BFX9ybfyZd7cxD6QMlXSrg58CK1hBbS3GygbaqEmEkt9Jv1zv9soXcp3RDCtaByE22xglGmtNxGZ5fQDhDdmCPgAAN0AboR-1zWHrsu4Gu4d4u-cw32TZ8AD87_rbsFrjvc1h6axkWcxpj9siG9R28r1yTYfZo76Or7t8v58ez0_MfP-eHpzAulx5kGLYGbKkhZOMkE8YTKEKhWkk0vBaW5dCxIrbjxpCpKzqihFBQXqiyrku-g_VVvuoMhl3aIdevig-1dbY_q34e2jwubs2VcEqYm_PMKH2J_myGNtq3T4_Ed9DlZKpnhQkpW_AdKiSqMMUv0ywr1sU8pQrU-gxK7NGPn4uLXo5mTCf701JvLFsIafVYxAR9XQEx-nb6onfK913I7hIr_Az3mnb0</recordid><startdate>20141114</startdate><enddate>20141114</enddate><creator>Wolff, Nicole</creator><creator>Gerth, Stefan</creator><creator>Gutfreund, Philipp</creator><creator>Wolff, Max</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>ADTPV</scope><scope>AOWAS</scope><scope>DF2</scope></search><sort><creationdate>20141114</creationdate><title>Temperature dependent cubic and hexagonal close packing in micellar structures</title><author>Wolff, Nicole ; Gerth, Stefan ; Gutfreund, Philipp ; Wolff, Max</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c478t-8e86e39fd665a6240c016dd18762103d7836a2d68739c0f5b321911e7347bbfb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Block copolymers</topic><topic>Boundaries</topic><topic>Correlation</topic><topic>Crystal structure</topic><topic>Elongation</topic><topic>Hysteresis</topic><topic>Optimization</topic><topic>Phase diagrams</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wolff, Nicole</creatorcontrib><creatorcontrib>Gerth, Stefan</creatorcontrib><creatorcontrib>Gutfreund, Philipp</creatorcontrib><creatorcontrib>Wolff, Max</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>SwePub</collection><collection>SwePub Articles</collection><collection>SWEPUB Uppsala universitet</collection><jtitle>Soft matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wolff, Nicole</au><au>Gerth, Stefan</au><au>Gutfreund, Philipp</au><au>Wolff, Max</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Temperature dependent cubic and hexagonal close packing in micellar structures</atitle><jtitle>Soft matter</jtitle><addtitle>Soft Matter</addtitle><date>2014-11-14</date><risdate>2014</risdate><volume>1</volume><issue>42</issue><spage>842</spage><epage>8426</epage><pages>842-8426</pages><issn>1744-683X</issn><issn>1744-6848</issn><eissn>1744-6848</eissn><abstract>The interfacial structure and phase diagram of a micellar solution formed by the three block copolymer (EO
20
-PO
70
-EO
20
) also known as P123 solved in deuterated water close to a solid boundary is investigated with respect to temperature. We find a hysteretic behavior of the
d
-spacing of the micellar crystal and a spontaneous change in the lateral correlation length going hand in hand with a structural reorganization between cubic and hexagonal. The phase transitions may be initiated by a change in the shape of the micelles from spherical to elongated together with a minimization of the polymer water interface.
The delicate correlation of temperature, micellar properties and type of structure is investigated for a micellar crystal at a solid boundary. The cubic and hexagonal close packing is analyzed in detail by grazing incidence neutron scattering.</abstract><cop>England</cop><pmid>25212786</pmid><doi>10.1039/c4sm01569j</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1744-683X |
| ispartof | Soft matter, 2014-11, Vol.1 (42), p.842-8426 |
| issn | 1744-683X 1744-6848 1744-6848 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1610759995 |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Block copolymers Boundaries Correlation Crystal structure Elongation Hysteresis Optimization Phase diagrams |
| title | Temperature dependent cubic and hexagonal close packing in micellar structures |
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