Red emissive diarylboron diketonate crystals: aggregation-induced color change and amplified spontaneous emission
Red emissive diarylboron diketonate crystals: aggregation-induced color change and amplified spontaneous emission
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红色发射二芳基硼二酮晶体:聚集引起的颜色变化和放大的自发发射
DOI:
10.1039/c4tc02070g
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发表时间:
2015
影响因子:
6.4
通讯作者:
马於光
中科院分区:
文献类型:
--
作者:
马於光
Two novel diarylboron diketonates 1 and 2 were synthesized by the reaction of 1,3-diaryl-β-diketone with triphenylborane or fluorobis(pentafluorophenyl)borane. The synthesized boron-containing compounds exhibit intense greenish-blue or green emissions in solution but red fluorescence in crystals, showing an aggregation-induced colour change characteristic. Notably, the flake-like crystals of 1 and 2 show an evidently narrowed emission when irradiated by a pulsed laser beam and thus provide the first example of amplified spontaneous emission based on four-coordinate organoboron solids. This finding indicates the potential of four-coordinate boron species in organic solid lasing and thus may expand the application area of boron-containing materials.
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通讯作者:
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