Abstract
This study deals with the new blue release LED phosphor activated by Eu2+. The luminescence properties of blue-emitting phosphor di-Calcium magnesium di-Silicate (Ca2MgSi2O7) doped with europium Eu2+are extensively investigated. This phosphor is produced by the high-temperature solid-state reaction method. The phase structure and crystalline size, surface morphology and elemental analysis were investigated by X-ray diffraction technique (XRD), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray spectroscopy (EDX). The optical properties are investigated by photoluminescence (PL) properties. Phase structure of Ca2MgSi2O7: Eu2 + is a carbonite-type structure belonging to tetragonal crystallography with the space group P4̅21m; this structure forms a member and layered compound in the Myelite group. The surface of the prepared phosphors is not detected uniformly and the particle distribution is within the nanometer range. EDX ensures components of Eu2 + doped Ca2MgSi2O7 phosphor. Under UV induction, the main emission peak appeared at 470 nm. This emission peak is attributed to the typical emission of Eu2+ due to the 4F9/2 → 6H15/2 transition. The blue light-emitting properties and excellent light response of these silicate phosphors make them suitable for photonic applications and open new avenues for solid-state lighting, cathode ray tubes, fluorescent lamps and scintillators etc. The phosphor system has been researched as a new candidate for phosphor-converted white light-emitting diode (LED) applications.
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