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https://mcec-researchcenter.nl/publications/nayf4er3yb3-sio2-core-shell-upconverting-nanocrystals-for-luminescence-thermometry-up-to-900-k/
NaYF4:Er3+,Yb3+/SiO2 Core/Shell Upconverting Nanocrystals for Luminescence Thermometry up to 900 K...
up tocoreshellupconvertingnanocrystals
