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Author

Youichi Tsuchiya

2 papers indexed here

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Open access Sep 2026

Hot-Exciplex: A New Regime of Triplet Harvesting Beyond Conventional TADF Advancing Hyperfluorescence.

TADF- or exciplex-sensitized hyperfluorescence (HF)-organic light-emitting diodes (OLEDs) can enhance color purity and accelerate singlet radiative decay from a terminal emitter, offering new insights into future material development, photophysics, and device performance. While the development of wide-energy-gap excipl...

Debasish Barman, Masahito Oura, Youichi Tsuchiya et al. · 0 citations
Open access Aug 2026

Enhanced Room-Temperature Phosphorescence from Carbon Dots Embedded in a Robust SiO2 Matrix

Carbon dots (CDs) represent a rapidly advancing class of fluorescent nanomaterials. Due to the dominant nonradiative decay channels of the triplet excited state of CDs, these materials generally exhibit no observable phosphorescence (PH) or delayed fluorescence. Here, we report the development of a sustainable and effi...

A. C. W. W. M. N. Peshala Koswatta, Thilini Upeksha Senevirathnage, Gomathi Vinayakam Mageswari et al. · 0 citations

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