光機能性有機薄膜の作製と特性評価に関する研究

概要

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Since the first observation of an efficient energy transfer between polysilanes, we have been studying the energy transfer process from polysilanes to their energy-matched counterparts. The resonant energy transfer to dye molecules was utilized for realizing blue(B), green(G) and red(R) electroluminescence (EL) from polysilane-based thin films. A combination of polymethylphenylsilane (energy-donor), tetraphenylbutadiene (B-emitter) and Eu(TTA)3-Phen (R-emitter) was tried this time to improve chromatic controllability. The combination enhanced the B-emission intensity without affecting that of the R-emission, suitable for wider colour-tuning region simply by intermixing dye molecules in the wet process. Tailoring emission and/or absorption energy, including the technique of molecular orientation, leads us to light-weight, flexible and intelligent devices for optical applications.
埼玉大学地域共同研究センターの論文