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Stimulated Emission Properties of Sterically Modified Distyrylbenzene-Based H-Aggregate Single Crystals



Stimulated Emission Properties of Sterically Modified Distyrylbenzene-Based H-Aggregate Single Crystals



Journal of Physical Chemistry Letters 4(10): 1597-1602



J-aggregation has been shown to be beneficial for light amplification in single crystals of π-conjugated organic molecules. In the case of H-aggregation, the criteria for such processes are still under debate. It has also been shown that H-aggregate arrangements with considerable π-π overlap are detrimental for light amplification. We show here that a proper alignment of the molecules in the crystal lattice, which minimizes π-π overlap between adjacent molecules, gives rise to (random) stimulated emission from cofacial arrangements similar to that of the herringbone aggregates.

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Accession: 058905706

Download citation: RISBibTeXText

PMID: 26282965

DOI: 10.1021/jz400659b


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