Cyanostilben-based derivatives: mechanical stimuli-responsive luminophors with aggregation-induced emission enhancementElectronic supplementary information (ESI) available. See DOI: 10.1039/c2pp05404c
Cyanostilbene derivatives with the aggregation-induced emission enhancement (AIEE) activity are prepared by Knoevenagel and Suzuki reactions. Among them, the dye ( Z )-2,3-bis(4-(diphenylamino)-[1,1-biphenyl]-4-yl)acrylonitrile ( CNS-4 ) nanoparticle suspension shows the polarity-dependent character...
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| creator | Zhang, Yujian Sun, Jingwei Bian, Gaofeng Chen, Yiyi Ouyang, Mi Hu, Bin Zhang, Cheng |
| description | Cyanostilbene derivatives with the aggregation-induced emission enhancement (AIEE) activity are prepared by Knoevenagel and Suzuki reactions. Among them, the dye (
Z
)-2,3-bis(4-(diphenylamino)-[1,1-biphenyl]-4-yl)acrylonitrile (
CNS-4
) nanoparticle suspension shows the polarity-dependent characteristics of the fluorescence properties. By the fluorescence spectroscopy and transmission electron microscopy (TEM) analysis, the restriction of transfer from the local excited (LE) state to the intramolecular charge-transfer (ICT) state and crystal formation results in a blue-shift in emission and enhances the intensity in the aggregate state. Additionally, the luminophors
CNS-3
and
CNS-4
possess the AIEE effect as well as mechanochromic fluorescent properties. This mechanofluorochromic behavior originates from the change between the crystalline and the amorphous state.
The cyanostilben-based derivatives (
CNS-4
) nanoparticles prepared from the different solvent mixtures indicate the evident change of photophysical properties. Dyes
CNS-3
and
CNS-4
have mechanofluorochromism properties due to phase transition under the stimulus of external pressure. |
| doi_str_mv | 10.1039/c2pp05404c |
| format | Article |
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Z
)-2,3-bis(4-(diphenylamino)-[1,1-biphenyl]-4-yl)acrylonitrile (
CNS-4
) nanoparticle suspension shows the polarity-dependent characteristics of the fluorescence properties. By the fluorescence spectroscopy and transmission electron microscopy (TEM) analysis, the restriction of transfer from the local excited (LE) state to the intramolecular charge-transfer (ICT) state and crystal formation results in a blue-shift in emission and enhances the intensity in the aggregate state. Additionally, the luminophors
CNS-3
and
CNS-4
possess the AIEE effect as well as mechanochromic fluorescent properties. This mechanofluorochromic behavior originates from the change between the crystalline and the amorphous state.
The cyanostilben-based derivatives (
CNS-4
) nanoparticles prepared from the different solvent mixtures indicate the evident change of photophysical properties. Dyes
CNS-3
and
CNS-4
have mechanofluorochromism properties due to phase transition under the stimulus of external pressure.</description><identifier>ISSN: 1474-905X</identifier><identifier>EISSN: 1474-9092</identifier><identifier>DOI: 10.1039/c2pp05404c</identifier><language>eng</language><creationdate>2012-08</creationdate><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Zhang, Yujian</creatorcontrib><creatorcontrib>Sun, Jingwei</creatorcontrib><creatorcontrib>Bian, Gaofeng</creatorcontrib><creatorcontrib>Chen, Yiyi</creatorcontrib><creatorcontrib>Ouyang, Mi</creatorcontrib><creatorcontrib>Hu, Bin</creatorcontrib><creatorcontrib>Zhang, Cheng</creatorcontrib><title>Cyanostilben-based derivatives: mechanical stimuli-responsive luminophors with aggregation-induced emission enhancementElectronic supplementary information (ESI) available. See DOI: 10.1039/c2pp05404c</title><description>Cyanostilbene derivatives with the aggregation-induced emission enhancement (AIEE) activity are prepared by Knoevenagel and Suzuki reactions. Among them, the dye (
Z
)-2,3-bis(4-(diphenylamino)-[1,1-biphenyl]-4-yl)acrylonitrile (
CNS-4
) nanoparticle suspension shows the polarity-dependent characteristics of the fluorescence properties. By the fluorescence spectroscopy and transmission electron microscopy (TEM) analysis, the restriction of transfer from the local excited (LE) state to the intramolecular charge-transfer (ICT) state and crystal formation results in a blue-shift in emission and enhances the intensity in the aggregate state. Additionally, the luminophors
CNS-3
and
CNS-4
possess the AIEE effect as well as mechanochromic fluorescent properties. This mechanofluorochromic behavior originates from the change between the crystalline and the amorphous state.
The cyanostilben-based derivatives (
CNS-4
) nanoparticles prepared from the different solvent mixtures indicate the evident change of photophysical properties. Dyes
CNS-3
and
CNS-4
have mechanofluorochromism properties due to phase transition under the stimulus of external pressure.</description><issn>1474-905X</issn><issn>1474-9092</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqFj01Lw0AQhhdRsFYv3oXxpofUTZNa2muN2JOHevAWNptJsrJf7CSR_kN_lksRPQh6eof344Fh7DLls5Rnqzs5954vcp7LIzZJ82WerPhqfvx9L15P2RnRG-fpIr9fTtjHZi-so17pCm1SCcIaagxqFL0akdZgUHbCKik0xJYZtEoCkneWYg56MMo637lA8K76DkTbBmzj2NlE2XqQkYdGEUUD0EaURIO2LzTKPrgIBhq81wdThD0o27hgDgC4KXbbWxCjUFpUGmewQ4SH5-0afv97zk4aoQkvvnTKrh6Ll81TEkiWPigT4eVPPZuy67_y0tdN9h_jE1ONeGU</recordid><startdate>20120815</startdate><enddate>20120815</enddate><creator>Zhang, Yujian</creator><creator>Sun, Jingwei</creator><creator>Bian, Gaofeng</creator><creator>Chen, Yiyi</creator><creator>Ouyang, Mi</creator><creator>Hu, Bin</creator><creator>Zhang, Cheng</creator><scope/></search><sort><creationdate>20120815</creationdate><title>Cyanostilben-based derivatives: mechanical stimuli-responsive luminophors with aggregation-induced emission enhancementElectronic supplementary information (ESI) available. See DOI: 10.1039/c2pp05404c</title><author>Zhang, Yujian ; Sun, Jingwei ; Bian, Gaofeng ; Chen, Yiyi ; Ouyang, Mi ; Hu, Bin ; Zhang, Cheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-rsc_primary_c2pp05404c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Yujian</creatorcontrib><creatorcontrib>Sun, Jingwei</creatorcontrib><creatorcontrib>Bian, Gaofeng</creatorcontrib><creatorcontrib>Chen, Yiyi</creatorcontrib><creatorcontrib>Ouyang, Mi</creatorcontrib><creatorcontrib>Hu, Bin</creatorcontrib><creatorcontrib>Zhang, Cheng</creatorcontrib></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Yujian</au><au>Sun, Jingwei</au><au>Bian, Gaofeng</au><au>Chen, Yiyi</au><au>Ouyang, Mi</au><au>Hu, Bin</au><au>Zhang, Cheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cyanostilben-based derivatives: mechanical stimuli-responsive luminophors with aggregation-induced emission enhancementElectronic supplementary information (ESI) available. See DOI: 10.1039/c2pp05404c</atitle><date>2012-08-15</date><risdate>2012</risdate><volume>11</volume><issue>9</issue><spage>1414</spage><epage>1421</epage><pages>1414-1421</pages><issn>1474-905X</issn><eissn>1474-9092</eissn><abstract>Cyanostilbene derivatives with the aggregation-induced emission enhancement (AIEE) activity are prepared by Knoevenagel and Suzuki reactions. Among them, the dye (
Z
)-2,3-bis(4-(diphenylamino)-[1,1-biphenyl]-4-yl)acrylonitrile (
CNS-4
) nanoparticle suspension shows the polarity-dependent characteristics of the fluorescence properties. By the fluorescence spectroscopy and transmission electron microscopy (TEM) analysis, the restriction of transfer from the local excited (LE) state to the intramolecular charge-transfer (ICT) state and crystal formation results in a blue-shift in emission and enhances the intensity in the aggregate state. Additionally, the luminophors
CNS-3
and
CNS-4
possess the AIEE effect as well as mechanochromic fluorescent properties. This mechanofluorochromic behavior originates from the change between the crystalline and the amorphous state.
The cyanostilben-based derivatives (
CNS-4
) nanoparticles prepared from the different solvent mixtures indicate the evident change of photophysical properties. Dyes
CNS-3
and
CNS-4
have mechanofluorochromism properties due to phase transition under the stimulus of external pressure.</abstract><doi>10.1039/c2pp05404c</doi><tpages>8</tpages></addata></record> |
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| title | Cyanostilben-based derivatives: mechanical stimuli-responsive luminophors with aggregation-induced emission enhancementElectronic supplementary information (ESI) available. See DOI: 10.1039/c2pp05404c |
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