Abstract
The Er
$^{3+}$
–Tm
$^{3+}$
–Yb
$^{3+}$
codoped ZrO
$_{2}$
phosphor synthesized via chemical co-precipitation technique has
been characterized by the X-ray diffraction (XRD) analysis. The upconversion
(UC) emission study of present material has been performed upon 980 nm diode
laser excitation. The efficient energy transfer between dopants has been found
to be responsible in the UC mechanism. The tuning in color of light emitted
from the developed phosphor has been noticed by considering concentration
as well as power variation. The Correlated Color Temperature (CCT) corresponding
to different color coordinates has been calculated. The temperature sensing
behavior of developed material has also been explained using fluorescence
intensity ratio (FIR) technique.
© 2014 IEEE
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