Journal
ADVANCED MATERIALS
Volume 24, Issue 18, Pages 2404-2408Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201104182
Keywords
thiophene; phenylene co-oligomer; needle crystal; hot-wall epitaxy; optically pumped lasing
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Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan [23108712]
- Nara Institute of Science and Technology
- Grants-in-Aid for Scientific Research [22350082, 22560017] Funding Source: KAKEN
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Optically pumped lasing of epitaxially oriented molecular crystals is presented. Needle-like crystals of a thiophene/phenylene co-oligomer is grown along the [110] direction of a KCl substrate. The fluorescence light is one-dimensionally confined and amplified by the self-waveguiding effect in the elongated needles. The Fabry-Perot resonation by the terminated ends results in laser oscillations corresponding to the needle length.
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