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首页> 外文期刊>Journal of Applied Physics >Dynamics of cis isomers in highly sensitive amino-azobenzene monolayers: The effect of slow relaxation on photo-induced anisotropy
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Dynamics of cis isomers in highly sensitive amino-azobenzene monolayers: The effect of slow relaxation on photo-induced anisotropy

机译:高度敏感的氨基-偶氮苯单层中顺式异构体的动力学:慢弛豫对光致各向异性的影响

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摘要

The initial development of photoinduced anisotropy in highly photosensitive monolayers of an aminoazobenzene molecule (dMR, a derivative of o-methyl red) that are initially randomized using circularly polarized light is found to be significantly slower than in monolayers randomized by thermal relaxation. We propose that this is a direct consequence of the slow thermal relaxation of isomers from the cis to the trans state and suggest that such considerations are important in designing even more sensitive photoactive monolayers and in understanding their photodynamics.
机译:发现在最初使用圆偏振光随机化的氨基偶氮苯分子(dMR,o-甲基红的衍生物)的高感光度单层中,光诱导各向异性的初始形成要比通过热弛豫随机化的单层中的慢得多。我们认为,这是异构体从顺式到反式的缓慢热弛豫的直接结果,并建议在设计甚至更敏感的光敏单分子层并了解其光动力学时,此类考虑因素也很重要。

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  • 来源
    《Journal of Applied Physics》 |2011年第10期|p.429-433|共5页
  • 作者单位

    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA;

    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA;

    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA;

    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA;

    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA;

    Department of Physics and Liquid Crystal Materials Research Center, Colorado School of Mines,Golden, Colorado 80401, USA;

    School of Mechanical Engineering, Yonsei University, 134 Sinchon-dong, Seodaemun-gu, Seoul,120-749, South Korea;

    Department of Chemistry and Biochemistry and Liquid Crystal Materials Research Center,University of Colorado. Roulder. Colorado 80309, USA;

    Department of Chemistry and Biochemistry and Liquid Crystal Materials Research Center,University of Colorado. Roulder. Colorado 80309, USA;

    Department of Chemistry and Biochemistry and Liquid Crystal Materials Research Center,University of Colorado. Roulder. Colorado 80309, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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