Molecular motion in a spreading precursor film
Spreading of a polymer drop on a solid substrate was monitored with molecular resolution. Three characteristic rates, i.e., the spreading rate of the precursor film D(spread)=(3.9+/-0.2)x10(3) nm(2)/s, the flow-induced diffusion rate of molecules within the film D(induced)=1.3+/-0.1 nm(2)/s, and the...
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| Veröffentlicht in: | Physical review letters 2004-11, Vol.93 (20), p.206103.1-206103.4, Article 206103 |
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| container_end_page | 206103.4 |
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| container_issue | 20 |
| container_start_page | 206103.1 |
| container_title | Physical review letters |
| container_volume | 93 |
| creator | HUI XU SHIRVANYANTS, David BEERS, Kathryn MATYJASZEWSKI, Krzysztof RUBINSTEIN, Michael SHEIKO, Sergei S |
| description | Spreading of a polymer drop on a solid substrate was monitored with molecular resolution. Three characteristic rates, i.e., the spreading rate of the precursor film D(spread)=(3.9+/-0.2)x10(3) nm(2)/s, the flow-induced diffusion rate of molecules within the film D(induced)=1.3+/-0.1 nm(2)/s, and the thermal diffusion coefficient of single molecules D(therm)>D(induced), the plug flow of polymer chains was identified as the main mass-transport mechanism of spreading with an insignificant contribution from the molecular diffusion. |
| doi_str_mv | 10.1103/physrevlett.93.206103 |
| format | Article |
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Three characteristic rates, i.e., the spreading rate of the precursor film D(spread)=(3.9+/-0.2)x10(3) nm(2)/s, the flow-induced diffusion rate of molecules within the film D(induced)=1.3+/-0.1 nm(2)/s, and the thermal diffusion coefficient of single molecules D(therm)</=0.10+/-0.03 nm(2)/s, were independently measured. Since D(spread)>>D(induced), the plug flow of polymer chains was identified as the main mass-transport mechanism of spreading with an insignificant contribution from the molecular diffusion.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/physrevlett.93.206103</identifier><identifier>PMID: 15600943</identifier><identifier>CODEN: PRLTAO</identifier><language>eng</language><publisher>Ridge, NY: American Physical Society</publisher><subject>Condensed matter: structure, mechanical and thermal properties ; Exact sciences and technology ; Physics ; Solid-fluid interfaces ; Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) ; Wetting</subject><ispartof>Physical review letters, 2004-11, Vol.93 (20), p.206103.1-206103.4, Article 206103</ispartof><rights>2005 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c455t-5f7d4b0d328ea7c6cf031e4f6ad91c843f647b31145d43ef22ba2c743141061c3</citedby><cites>FETCH-LOGICAL-c455t-5f7d4b0d328ea7c6cf031e4f6ad91c843f647b31145d43ef22ba2c743141061c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,2862,2863,27903,27904</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=16309223$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15600943$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>HUI XU</creatorcontrib><creatorcontrib>SHIRVANYANTS, David</creatorcontrib><creatorcontrib>BEERS, Kathryn</creatorcontrib><creatorcontrib>MATYJASZEWSKI, Krzysztof</creatorcontrib><creatorcontrib>RUBINSTEIN, Michael</creatorcontrib><creatorcontrib>SHEIKO, Sergei S</creatorcontrib><title>Molecular motion in a spreading precursor film</title><title>Physical review letters</title><addtitle>Phys Rev Lett</addtitle><description>Spreading of a polymer drop on a solid substrate was monitored with molecular resolution. Three characteristic rates, i.e., the spreading rate of the precursor film D(spread)=(3.9+/-0.2)x10(3) nm(2)/s, the flow-induced diffusion rate of molecules within the film D(induced)=1.3+/-0.1 nm(2)/s, and the thermal diffusion coefficient of single molecules D(therm)</=0.10+/-0.03 nm(2)/s, were independently measured. Since D(spread)>>D(induced), the plug flow of polymer chains was identified as the main mass-transport mechanism of spreading with an insignificant contribution from the molecular diffusion.</description><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Exact sciences and technology</subject><subject>Physics</subject><subject>Solid-fluid interfaces</subject><subject>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><subject>Wetting</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNpFkEtLAzEQgIMotlZ_grIXvW2dvLtHKb6gooieQzab6Er2YbJb6L830oWeZhi-eX0IXWJYYgz0tv_exWC33g7DsqBLAiJVj9AcgyxyiTE7RnMAivMCQM7QWYw_AICJWJ2iGeYCoGB0jpYvnbdm9DpkTTfUXZvVbaaz2Aerq7r9ylJixhC7kLnaN-foxGkf7cUUF-jz4f5j_ZRvXh-f13eb3DDOh5w7WbESKkpWVksjjEuXWOaErgpsVow6wWRJ05W8YtQ6QkpNjGQUM5weMXSBbvZz-9D9jjYOqqmjsd7r1nZjVEJiybmEBPI9aEIXkxCn-lA3OuwUBvUvSr0lUe92u0miVEHVXlTqu5oWjGVjq0PXZCYB1xOgo9HeBd2aOh44QaEghNI_CrxzOQ</recordid><startdate>20041112</startdate><enddate>20041112</enddate><creator>HUI XU</creator><creator>SHIRVANYANTS, David</creator><creator>BEERS, Kathryn</creator><creator>MATYJASZEWSKI, Krzysztof</creator><creator>RUBINSTEIN, Michael</creator><creator>SHEIKO, Sergei S</creator><general>American Physical Society</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20041112</creationdate><title>Molecular motion in a spreading precursor film</title><author>HUI XU ; SHIRVANYANTS, David ; BEERS, Kathryn ; MATYJASZEWSKI, Krzysztof ; RUBINSTEIN, Michael ; SHEIKO, Sergei S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c455t-5f7d4b0d328ea7c6cf031e4f6ad91c843f647b31145d43ef22ba2c743141061c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Exact sciences and technology</topic><topic>Physics</topic><topic>Solid-fluid interfaces</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><topic>Wetting</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HUI XU</creatorcontrib><creatorcontrib>SHIRVANYANTS, David</creatorcontrib><creatorcontrib>BEERS, Kathryn</creatorcontrib><creatorcontrib>MATYJASZEWSKI, Krzysztof</creatorcontrib><creatorcontrib>RUBINSTEIN, Michael</creatorcontrib><creatorcontrib>SHEIKO, Sergei S</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HUI XU</au><au>SHIRVANYANTS, David</au><au>BEERS, Kathryn</au><au>MATYJASZEWSKI, Krzysztof</au><au>RUBINSTEIN, Michael</au><au>SHEIKO, Sergei S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Molecular motion in a spreading precursor film</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2004-11-12</date><risdate>2004</risdate><volume>93</volume><issue>20</issue><spage>206103.1</spage><epage>206103.4</epage><pages>206103.1-206103.4</pages><artnum>206103</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><coden>PRLTAO</coden><abstract>Spreading of a polymer drop on a solid substrate was monitored with molecular resolution. 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| subjects | Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Physics Solid-fluid interfaces Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) Wetting |
| title | Molecular motion in a spreading precursor film |
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