Enhanced green photoluminescence of erbium doped Zn2SiO4 glass-ceramics as phosphor in optoelectronic devices

This paper reported the fabrication of Er3+-doped zinc silicate (Zn2SiO4:xEr(3+)) glass-ceramics using recycle waste glass bottles. The glass-ceramics samples were synthesized with different percentage doping of Er2O3 using conventional melting and quenching method. The structural of alpha-Zn2SiO4:Er3+ crystal phase and microstructure growth were analysed via X-ray diffraction and field emission scanning electron microscopy, respectively. Fourier transform infrared spectroscopy has confirmed the network structure of alpha-Zn2SiO4:Er3+ crystal phase. The three excited transition states from UV-visible absorption spectra were enhanced significantly at the states F-4(7/2), H-2(11/2), F-4(9/2). The wide-ranging green emission at around 553-559 nm under excitation 385 nm from alpha-Zn2SiO4:Er(3+ )crystal exhibit the energy transition of Er3+ ions from S-4(3/2 )-> I-4(15/2). Such luminescence of alpha-Zn2SiO4:Er(3+ )based glass-ceramics are probably to have a huge prospective application for glass phosphor devices. (C) 2019 Elsevier B.V. All rights reserved.