Solid state emission enhancement of 9,10-distyrylanthracene derivatives and amplified spontaneous emission from a large single crystal

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Abstract
Methyl-substituted 9,10-distyrylanthracene was synthesized by a simple Heck reaction and its photophysical properties investigated. Tight intermolecular stacking through supramolecular interactions in the crystal not only induced strong fluorescence emission with a high fluorescence efficiency of 35% but also conducted the formation of large size and high quality needle-like single crystals. Amplified spontaneous emission (ASE) with a low threshold value of 10 μJ pulse−1 was observed.

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