Lasing from epitaxially oriented needle crystals of a thiophene/phenylene co-oligomer.
basic_science · Level V
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- Record sourced from PubMed, PMID 22492301.
- Also identified by DOI 10.1002/adma.201104182.
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Abstract
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-Pérot resonation by the terminated ends results in laser oscillations corresponding to the needle length.
Medical subject headings
- Polymers
- Thiophenes