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首页> 外文期刊>The Journal of Chemical Physics >Mesoscopic order and the dimensionality of long-range resonance energy transfer in supramolecular semiconductors
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Mesoscopic order and the dimensionality of long-range resonance energy transfer in supramolecular semiconductors

机译:超分子半导体中介电常数和远距离共振能量转移的维数

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We present time-resolved photoluminescence measurements on two series of oligo-p-phenylenevinylene materials that self-assemble into supramolecular nanostructures with thermotropic reversibility in dodecane. One set of derivatives form chiral helical stacks, while the second set form less organized "frustrated" stacks. Here we study the effects of supramolecular organization on the resonance energy transfer rates. We measure these rates in nanoassemblies formed with mixed blends of oligomers and compare them with the rates predicted by Forster theory. Our results and analysis show that control of supramolecular order in the nanometer length scale has a dominant effect on the efficiency and dimensionality of resonance energy transfer. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.2969077]
机译:我们目前时间分辨光致发光测量的两个系列的低聚对苯撑亚乙烯基材料自组装成具有在十二烷中具有热可逆性的超分子纳米结构。一组导数形成手性螺旋叠堆,而第二组导数形成较少组织的“受挫”叠堆。在这里,我们研究了超分子组织对共振能量转移速率的影响。我们测量低聚物混合共混物形成的纳米组件中的这些速率,并将它们与Forster理论预测的速率进行比较。我们的结果和分析表明,在纳米长度尺度上控制超分子序对共振能量转移的效率和维数起主要作用。 (C)2008美国物理研究所。 [DOI:10.1063 / 1.2969077]

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