Abstract

Hereby we report a new microstructured luminescent material – Eu-doped yttria-stabilized zirconia (YSZ) microtube – prepared by a special sol–gel route. Transparent, crack-free and brightly luminescent microtubes were obtained after thermal treatment at temperatures as high as 1100°C. The implications of time-resolved and site-selective studies of Eu3+ luminescence are discussed. The decay kinetics of Eu3+ luminescence is modeled following the Judd–Ofelt theory and matched to the experimental data.

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