NaYF4:Er3+,Yb3+/SiO2 Core/Shell Upconverting Nanocrystals for Luminescence Thermometry up to 900 K

Robin G. Geitenbeek

Department of Chemistry, and ‡Department of Physics, Debye Institute of Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508TA Utrecht, The Netherlands
P. Tim Prins

Department of Chemistry, and ‡Department of Physics, Debye Institute of Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508TA Utrecht, The Netherlands
Wiebke Albrecht

Department of Chemistry, and ‡Department of Physics, Debye Institute of Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508TA Utrecht, The Netherlands
Bert M. Weckhuysen

Department of Chemistry, and ‡Department of Physics, Debye Institute of Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508TA Utrecht, The Netherlands
Alfons van Blaaderen

Department of Chemistry, and ‡Department of Physics, Debye Institute of Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508TA Utrecht, The Netherlands
Andries Meijerink

Department of Chemistry, and ‡Department of Physics, Debye Institute of Nanomaterials Science, Utrecht University, P.O. Box 80000, 3508TA Utrecht, The Netherlands