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Ryota Kabe, Hajime Nakanotani, Tomo Sakanoue, Masayuki Yahiro and Chihaya Adachi Effect of Molecular Morphology on Amplified Spontaneous Emission of Bis-Styrylbenzene Derivatives Advanced Materials 21

Version of Record online: 28 MAY 2009 | DOI: 10.1002/adma.200803588

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Molecular aggregation greatly affects the fluorescence quantum efficiency, transient lifetime, and amplified spontaneous emission (ASE) of bis-styrylbenzene derivatives. We compare the optical properties for various morphologies (solution, film, doped film, and single crystalline state) (see figure) and demonstrate that ambipolar operation of a 1,4-bis(4-methylstyryl) benzene layer in field-effect transistors leads to intense blue electroluminescence with a rather sharp emission width.

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