Volume Increment Effect on the Photoisomerization of Hemicyanine Dyes in Oligo(ethylene glycol)s
We studied the excited-state dynamics of three hemicyanine dyes that undergo internal twisting from the localized excited state to the twisted intramolecular charge-transfer state. The dyes differ in the length of the alkyl chain in the aniline moiety and, thus, the volume of the motional moiety inc...
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| Veröffentlicht in: | The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory Molecules, spectroscopy, kinetics, environment, & general theory, 2013-12, Vol.117 (48), p.12878-12883 |
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| container_issue | 48 |
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| container_title | The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory |
| container_volume | 117 |
| creator | Lee, Youmin Lee, Minyung |
| description | We studied the excited-state dynamics of three hemicyanine dyes that undergo internal twisting from the localized excited state to the twisted intramolecular charge-transfer state. The dyes differ in the length of the alkyl chain in the aniline moiety and, thus, the volume of the motional moiety increases without having much of an effect on the excited-state potential surface. By employing oligo(ethylene glycol)s as a new homologous series of solvents that covers a high viscosity region, we showed that the excited-state lifetime of the hemicyanines gradually increases at any given viscosity when the size of the substituent increases. We describe our results for the solution-phase photoisomerization processes in terms of the breakdown of Stokes’ law, multidimensionality, and the Hubbard relation. |
| doi_str_mv | 10.1021/jp4101043 |
| format | Article |
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The dyes differ in the length of the alkyl chain in the aniline moiety and, thus, the volume of the motional moiety increases without having much of an effect on the excited-state potential surface. By employing oligo(ethylene glycol)s as a new homologous series of solvents that covers a high viscosity region, we showed that the excited-state lifetime of the hemicyanines gradually increases at any given viscosity when the size of the substituent increases. We describe our results for the solution-phase photoisomerization processes in terms of the breakdown of Stokes’ law, multidimensionality, and the Hubbard relation.</description><identifier>ISSN: 1089-5639</identifier><identifier>EISSN: 1520-5215</identifier><identifier>DOI: 10.1021/jp4101043</identifier><identifier>PMID: 24266422</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Breakdown ; Chemistry ; Dyes ; Dynamic tests ; Exact sciences and technology ; Excitation ; Fluid flow ; General and physical chemistry ; Motional ; Noncondensed benzenic compounds ; Organic chemistry ; Photochemistry ; Physical chemistry of induced reactions (with radiations, particles and ultrasonics) ; Preparations and properties ; Solvents ; Viscosity</subject><ispartof>The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory, 2013-12, Vol.117 (48), p.12878-12883</ispartof><rights>Copyright © 2013 American Chemical Society</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a378t-cb07905709e8c8ca049adc2593752fc911739cd6806738f477423790f6b942ea3</citedby><cites>FETCH-LOGICAL-a378t-cb07905709e8c8ca049adc2593752fc911739cd6806738f477423790f6b942ea3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/jp4101043$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/jp4101043$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28074770$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24266422$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lee, Youmin</creatorcontrib><creatorcontrib>Lee, Minyung</creatorcontrib><title>Volume Increment Effect on the Photoisomerization of Hemicyanine Dyes in Oligo(ethylene glycol)s</title><title>The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory</title><addtitle>J. Phys. Chem. A</addtitle><description>We studied the excited-state dynamics of three hemicyanine dyes that undergo internal twisting from the localized excited state to the twisted intramolecular charge-transfer state. The dyes differ in the length of the alkyl chain in the aniline moiety and, thus, the volume of the motional moiety increases without having much of an effect on the excited-state potential surface. By employing oligo(ethylene glycol)s as a new homologous series of solvents that covers a high viscosity region, we showed that the excited-state lifetime of the hemicyanines gradually increases at any given viscosity when the size of the substituent increases. We describe our results for the solution-phase photoisomerization processes in terms of the breakdown of Stokes’ law, multidimensionality, and the Hubbard relation.</description><subject>Breakdown</subject><subject>Chemistry</subject><subject>Dyes</subject><subject>Dynamic tests</subject><subject>Exact sciences and technology</subject><subject>Excitation</subject><subject>Fluid flow</subject><subject>General and physical chemistry</subject><subject>Motional</subject><subject>Noncondensed benzenic compounds</subject><subject>Organic chemistry</subject><subject>Photochemistry</subject><subject>Physical chemistry of induced reactions (with radiations, particles and ultrasonics)</subject><subject>Preparations and properties</subject><subject>Solvents</subject><subject>Viscosity</subject><issn>1089-5639</issn><issn>1520-5215</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqF0D1vFDEQBuAVApEvCv4A2gYpKZaMv9clCiGJFCkpIO3i841zPnntw94tll-PUY6kQaIaa_R4RvM2zXsCnwhQcr7dcQIEOHvVHBJBoROUiNf1Db3uhGT6oDkqZQsAhFH-tjmgnErJKT1sfjykMI_Y3kSbccQ4tZfOoZ3aFNtpg-39Jk3JlzRi9r_M5Gs7ufYaR28XE33E9suCpfWxvQv-MZ3itFkC1vZjWGwKZ-WkeeNMKPhuX4-b718vv11cd7d3VzcXn287w1Q_dXYFSoNQoLG3vTXAtVlbKjRTgjqrCVFM27XsQSrWO64Up6z-cHKlOUXDjpvTp7m7nH7OWKZh9MViCCZimstAlGCCCk7h_5RL0UsmQVR69kRtTqVkdMMu-9HkZSAw_Ml-eM6-2g_7sfNqxPWz_Bt2BR_3wBRrgssmWl9eXA-q3gUvztgybNOcYw3uHwt_A1xalX8</recordid><startdate>20131205</startdate><enddate>20131205</enddate><creator>Lee, Youmin</creator><creator>Lee, Minyung</creator><general>American Chemical Society</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20131205</creationdate><title>Volume Increment Effect on the Photoisomerization of Hemicyanine Dyes in Oligo(ethylene glycol)s</title><author>Lee, Youmin ; Lee, Minyung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a378t-cb07905709e8c8ca049adc2593752fc911739cd6806738f477423790f6b942ea3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Breakdown</topic><topic>Chemistry</topic><topic>Dyes</topic><topic>Dynamic tests</topic><topic>Exact sciences and technology</topic><topic>Excitation</topic><topic>Fluid flow</topic><topic>General and physical chemistry</topic><topic>Motional</topic><topic>Noncondensed benzenic compounds</topic><topic>Organic chemistry</topic><topic>Photochemistry</topic><topic>Physical chemistry of induced reactions (with radiations, particles and ultrasonics)</topic><topic>Preparations and properties</topic><topic>Solvents</topic><topic>Viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Youmin</creatorcontrib><creatorcontrib>Lee, Minyung</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>The journal of physical chemistry. 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The dyes differ in the length of the alkyl chain in the aniline moiety and, thus, the volume of the motional moiety increases without having much of an effect on the excited-state potential surface. By employing oligo(ethylene glycol)s as a new homologous series of solvents that covers a high viscosity region, we showed that the excited-state lifetime of the hemicyanines gradually increases at any given viscosity when the size of the substituent increases. We describe our results for the solution-phase photoisomerization processes in terms of the breakdown of Stokes’ law, multidimensionality, and the Hubbard relation.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>24266422</pmid><doi>10.1021/jp4101043</doi><tpages>6</tpages></addata></record> |
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| ispartof | The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory, 2013-12, Vol.117 (48), p.12878-12883 |
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| language | eng |
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| source | ACS Publications |
| subjects | Breakdown Chemistry Dyes Dynamic tests Exact sciences and technology Excitation Fluid flow General and physical chemistry Motional Noncondensed benzenic compounds Organic chemistry Photochemistry Physical chemistry of induced reactions (with radiations, particles and ultrasonics) Preparations and properties Solvents Viscosity |
| title | Volume Increment Effect on the Photoisomerization of Hemicyanine Dyes in Oligo(ethylene glycol)s |
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