Affiliation: Humboldt University
- Observation of size dependence in multicolor upconversion in single Yb3+, Er3+ Codoped NaYF4 nanocrystalsStefan Schietinger
Nano Optics, Institute of Physics, , Hausvogteiplatz 5 7, D 10117 Berlin, Germany
Nano Lett 9:2477-81. 2009..We believe that this result provides a new strategy in the synthesis of upconversion nanoparticles with different spectral properties by changing only their size as it is well-known from the case of semiconductor quantum dots...