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V. YERPUDE1, S. TAMBOLI1, B. GHORMARE2, S. J. DHOBLE1,*
- Department of Physics, R.T.M. Nagpur University, Nagpur -440033, India
- Department of Physics, V.M.V. Commerce, J.M.T. Arts and J.J.P. Science College, Nagpur- 440008, India
This paper reports optical properties of copper doped Na2Zn(PO4)Cl phosphor prepared by wet-chemical. The phosphor was characterized by photoluminescence (PL) spectroscopy, Scanning electron microscopy (SEM), Energy dispersive spectroscopy (EDS), Fourier transform infrared spectroscopy (FT-IR) and Ultraviolet (UV) -Visible diffuse reflectance spectroscopy. Incorporating Cu+ ions in the Na2Zn(PO4)Cl host resulted in blue emission peaking at 438 nm under 357 nm excitation. The FT-IR spectrum revealed the characteristic vibrational bands of the prepared phosphor material. Band gap was calculated from UV-diffuse reflectance spectra. The investigated halo-phosphate Na2Zn(PO4)Cl:Cu+ may be a good candidate as blue phosphor.
Cu+, Photoluminescence, Diffuse reflectance, Concentration quenching.
Submitted at: Nov. 15, 2017
Accepted at: Nov. 29, 2018
V. YERPUDE, S. TAMBOLI, B. GHORMARE, S. J. DHOBLE, Optical properties of Cu+ ions activated Na2Zn(PO4)Cl phosphor, Journal of Optoelectronics and Advanced Materials Vol. 20, Iss. 11-12, pp. 651-656 (2018)
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