Effect of molecular morphology on amplified spontaneous emission of bis-styrylbenzene derivatives

Ryota Kabe; Hajime Nakanotani; Tomo Sakanoue; Masayuki Yahiro; Chihaya Adachi

doi:10.1002/adma.200803588

Effect of molecular morphology on amplified spontaneous emission of bis-styrylbenzene derivatives

Ryota Kabe, Hajime Nakanotani, Tomo Sakanoue, Masayuki Yahiro, Chihaya Adachi

Research output: Contribution to journal › Article › peer-review

113 Citations (Scopus)

Abstract

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.

Original language	English
Journal	Advanced Materials
Volume	21
Issue number	40
DOIs	https://doi.org/10.1002/adma.200803588
Publication status	Published - 2009 Oct 26
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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AU - Nakanotani, Hajime

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AU - Yahiro, Masayuki

AU - Adachi, Chihaya

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