Improved Crystal-Growth and Emission Gain-Narrowing of Thiophene/Phenylene Co-Oligomers

Large plate‐like single crystals of several millimeters to ∼ 1 cm in size of organic semiconducting materials are prepared via an improved crystal‐growth technique. The crystals (see Figure) exhibit self‐waveguided amplified spontaneous emission with a relatively small threshold resulting from the e...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2003-02, Vol.15 (3), p.213-217
Main Authors: Ichikawa, M., Hibino, R., Inoue, M., Haritani, T., Hotta, S., Koyama, T., Taniguchi, Y.
Format: Article
Language:English
Subjects:
Crystal growth
Oligomers
organic
Semiconductors
Semiconductors, organic
Single crystals
Spectral narrowing
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Summary:Large plate‐like single crystals of several millimeters to ∼ 1 cm in size of organic semiconducting materials are prepared via an improved crystal‐growth technique. The crystals (see Figure) exhibit self‐waveguided amplified spontaneous emission with a relatively small threshold resulting from the excellent optical properties of the crystals, such as high transparency and low light scattering.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200390048