Additive Manufacturing of 3D Luminescent ZrO2:Eu3+ Architectures

Jędrzej Winczewski*, Manuel Herrera, Clément Cabriel, Ignacio Izeddin, Stefan Gabel, Benoit Merle, Arturo Susarrey Arce*, Han Gardeniers*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Implementation of more refined structures at the nano to microscale is expected to advance applications in optics and photonics. This work presents the additive manufacturing of 3D luminescent microarchitectures emitting light in the visible range. A tailor-made organo-metallic resin suitable for two-photon lithography is developed, which upon thermal treatment in an oxygen-rich atmosphere allows the creation of silicon-free tetragonal (t-) and monoclinic (m-) ZrO2. The approach is unique because the tailor-made Zr-resin is different from what is achieved in other reported approaches based on sol−gel resins. The Zr-resin is compatible with the Eu-rich dopant, a luminescent activator, which enables to tune the optical properties of the ZrO2 structures upon annealing. The emission characteristics of the Eu-doped ZrO2 microstructures are investigated in detail with cathodoluminescence and compared with the intrinsic optical properties of the ZrO2. The hosted Eu has an orange−red emission showcased using fluorescence microscopy. The presented structuring technology provides a new platform for the future development of 3D luminescent devices.

Original languageEnglish
Article number2102758
Number of pages13
JournalAdvanced Optical Materials
Volume10
Issue number12
Early online date27 Apr 2022
DOIs
Publication statusPublished - 20 Jun 2022

Keywords

  • additive manufacturing
  • europium
  • luminescence
  • two-photon lithography
  • zirconia
  • UT-Hybrid-D

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