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A Transparent Planar Concentrator Using Aggregates of gem-Pyrene Ethenes

机译:使用宝石P乙烯醚的聚集体的透明平面浓缩器

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The luminescence properties of pyrene ethenes, both as monomer and aggregate species, are found to depend on the regioisomer structure. Systematic shifts in absorption, emission, and excitation spectra of the gem-pyrene ethenes, both in solution and in rigid polymer hosts, are consistent with weakly interacting H-aggregate formation. This aggregation leads to excimer-like emission with Stokes shifts greater than 1 eV. Planar concentrators fabricated from gem-pyrene diphenylethenes show comparable performance to previously reported inorganic phosphors. The UV absorption and emission properties of the planar concentrator devices exhibit potential for transparent solar concentrators or visible–blind photodetector applications. This is the first demonstration of exploiting the unusual photophysics of molecular aggregates in planar concentrators.
机译:发现monomer乙烯作为单体和聚集体两者的发光性质取决于区域异构体的结构。在溶液中和在刚性聚合物主体中,-the乙烯的吸收,发射和激发光谱的系统变化均与弱相互作用的H聚集体形成一致。这种聚集导致斯托克斯位移大于1 eV的准分子发射。由宝石-二苯基乙烯制成的平面浓缩器显示出与以前报道的无机磷光体相当的性能。平面聚光器设备的紫外线吸收和发射特性为透明的太阳能聚光器或可见光盲光电探测器应用提供了潜力。这是首次利用平面集中器中分子聚集体的非常规光物理原理进行的演示。

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