Abstract
In this work, the optical and structural properties of ultrasonically prepared CaF2 :Eu3+ nanoparticles have been reported. Ultrasonically prepared CaF2 :Eu3+ phosphor shows orange, red emission bands at 591nm and 612nm, respectively, when it is excited by 394 light-emitting diode (LED) excitation wavelengths. Further phosphor materials are well characterized by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy and transmission electron microscopy (TEM) techniques to confirm the phase purity, metal oxygen (MO) bonding and crystallites size of the materials. Here synthesized materials show a tube-like structure under 100nm resolution and 0.1mol% is the best doping value of the europium ion (Eu3+ ) in calcium fluoride (CaF2 ) that shows highest intensity when prepared with an ultrasound assisted method.
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