Investigation of the optical and photoluminescence properties of CaF2: Dy3+ Nanoparticles Synthesized via Solution Combustion Method for optoelectronic applications
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The un-doped CaF 2 and Dy 3+ ion doped CaF 2 Nanoparticles were chemically synthesized following the solution combustion method. The variation of crystallite size of the samples on doping of Dy 3+ ion was revealed from XRD analysis. The formation of Nano spheroids was also confirmed from the study of surface morphology by FESEM. The absence of impurities in the prepared powder samples was confirmed by EDAX analysis. The optical study revealed the transition of band gap of CaF 2 from direct to indirect band gap on doping of Dy 3+ ions indicating its applicability in optoelectronics to design photodetector. The photoluminescence study also explored the applicability of the synthesized samples as potential material for fabrication of violet and white light laser.
