Design and synthesis of highly emissive solid fluorophores

Masaki Shimizu; Kenji Mochida; Youhei Takeda; Yuiga Asai; Tamejiro Hiyama

doi:10.1117/12.825442

27 August 2009 Design and synthesis of highly emissive solid fluorophores

Masaki Shimizu, Kenji Mochida, Youhei Takeda, Yuiga Asai, Tamejiro Hiyama

Proceedings Volume 7415, Organic Light Emitting Materials and Devices XIII; 74151G (2009) https://doi.org/10.1117/12.825442
Event: SPIE Photonic Devices + Applications, 2009, San Diego, California, United States

Abstract

Efficient solid-state emission of organic materials is essential for optoelectronic devices such as organic light-emitting diodes, light-emitting thin film transistors, semiconductor lasers, and solid luminescent sensors. Therefore, exploration of novel chromophores that emit visible light with high efficiency in the solid state and understanding of their characteristics regarding molecular and electronic structures as well as three-dimensional arrangement in the solid state are highly important for the development and advance of such optoelectronic devices. We will report synthesis, structures, and photophysical properties of 3,2'-silicon-bridged 2-arylindoles that exhibit blue and greenish blue photoluminescence with high to excellent quantum yields (0.65~1.0) in the solid states such as microcrystals, thin-film, and doped polymer film. In addition, synthesis and photophysical properties of 1,4-bis(alkenyl)-2,5-dipiperidinobenzenes that are compact and highly emissive solid fluorophores will be also presented. The emission colors of the benzenes can be tuned in a range from blue to red by choosing appropriate functional groups incorporated at the ethenyl moieties.

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Masaki Shimizu, Kenji Mochida, Youhei Takeda, Yuiga Asai, and Tamejiro Hiyama "Design and synthesis of highly emissive solid fluorophores", Proc. SPIE 7415, Organic Light Emitting Materials and Devices XIII, 74151G (27 August 2009); https://doi.org/10.1117/12.825442

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KEYWORDS

Silicon

Solid state electronics

Luminescence

Quantum efficiency

Solids

Solid state lasers

Bromine

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