Effects of Non-radiative energy transfer processes on the visible upconversion in ZrO2:Yb3+/Er3+ nanocrystals
Meza O., Diaz-Torres L.A., Salas P., De la Rosa E., Solis C.D., Centro de Investigaciones en Optica A C, MX
The luminescence dynamics of both near infrared (NIR) and visible (VIS) emission of Yb3+,Er3+ in nanocrystalline ZrO2 is studied. It is found that upconversion emission is dominated by back transfer processes over direct Yb to [...]