Abstract
Abstract
Single crystals of thiophene/phenylene co-oligomers (TPCOs) are promising organic laser media. Owing to their poor solubility in solvents, single crystals of TPCOs have conventionally been grown using sublimation processes. However, the morphology of the grown crystals is not ideal for lasing by the self-cavity effect. In this report, single crystals of 5,5‴-bis(4-biphenylyl)-2,2′:5′,2″:5″,2‴-quaterthiophene (BP4T), which is one of the longest TPCOs, are grown through improved methods in solution to achieve lasing with a well-shaped single crystal cavity. The high quality factors (5.9 × 103) and group refractive indexes (>3.5) suggest that the obtained crystals are superior organic laser media.
Subject
General Physics and Astronomy,General Engineering
Cited by
5 articles.
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