Objective
- Development of materials in form of redispersable nanoscaled powder, sols, coatings and
bulk presenting high luminescent emission under UV excitation
Method
- Synthesis of rare earth luminescent complexes (Eu3+, Tb3+, etc)
presenting antenna effect
- The complexes can be incorporated into organic modified sols or attached on
redispersable crystalline nanopowders
Results
- Luminescent sols with other functional properties and fully redispersable nanoscaled
luminescent powders for the preparation of coatings and bulk material
- Luminescent transparent coatings with thickness up to 3 µm deposited on various
glasses, polycarbonate, paper or textiles
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- The coatings may present other functional properties (hard, easy to clean, etc)
Excitation and emission spectra of an Eu3+ based
coating deposited on polycarbonate substrate and photopolymerized at room temperature
Applications
- Photoluminescent displays
- Security documents: paper, plastic card, etc.
- Luminescent textiles
- Electroluminescence
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Laboratory Technology
