一种无金属β-二酮的机械变色发光和聚集诱导发光
Mechanochromic luminescence and aggregation induced emission for a metal-free β-diketone.
作者信息
Butler Tristan, Morris William A, Samonina-Kosicka Jelena, Fraser Cassandra L
机构信息
Department of Chemistry, University of Virginia, Charlottesville, VA 22904, USA.
出版信息
Chem Commun (Camb). 2015 Feb 25;51(16):3359-62. doi: 10.1039/c4cc09439e.
Reversible mechanochromic luminescence (ML) is known for difluoroboron β-diketonates (BF2bdks). Here, we report ML for the methoxy-substituted dinaphthoylmethane (dnmOMe) ligand even without coordination to boron. In addition, dnmOMe shows solvatochromism and aggregation-induced emission (AIE). Diketone thin films showed high contrast emission when smeared, and rapid recovery of the pre-smeared state at room temperature.
可逆机械变色发光（ML）以二氟硼β-二酮（BF2bdks）而闻名。在此，我们报道了即使在没有与硼配位的情况下，甲氧基取代的二萘甲酰甲烷（dnmOMe）配体也具有ML特性。此外，dnmOMe表现出溶剂致变色和聚集诱导发光（AIE）。二酮薄膜在涂抹时显示出高对比度发射，并在室温下能快速恢复到涂抹前的状态。
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