Structure, optical properties and preferential site substitution of Eu3+ activated Ca8NaBi(PO4)6F2 red emitting phosphors prepared by modified Pechini process

Recent progress in trivalent europium (Eu3+)-based inorganic phosphors for solid-state lighting: an overview

“…Dalton Transactions color purity of 95.2%, and these phosphors could be a potential candidate for white LEDs. 202 A multivalent (Eu 2+ /Eu 3+ ) europium ion-doped Eulytite-like Na 3 Bi 5 (PO 4 ) 6 phosphor was synthesized, and its structural and optical properties were studied. 203 X-ray photoelectron spectroscopy (XPS) analysis confirmed the co-existence of Eu 2+ and Eu 3+ ions, which exhibited characteristic emission lines (4f-5d transition of Eu 2+ , 4f-4f transitions of Eu 3+ ions).…”

“…The best compositions showed a correlated color temperature of 3000 K and a color purity of 95.2%, and these phosphors could be a potential candidate for white LEDs. 202…”

Structural, electronic, magnetic, and optical properties of MFe2O4 (M = Ni, Fe, Co) spinel ferrites: A density functional theory study

“…Using spin‐polarized computations, magnetic effects were taken into account. Optical properties were calculated using a “scissors operator,” at optimum energy, the bands which are above the valence band can be changed, and matrix elements can be renamed [46]. The complex dielectric function ε ( ω ) = ε 1 ( ω ) + iε 2 ( ω ) is one of the main optical functions which describe the optical properties of materials.…”

Structural and Electrical Properties of Novel Cr/Fe Mixed Transition-Metal Phosphates

“…Among many existing phosphates, those containing chromium are just a few. They are known to be used in the field of ionic conductivity, , nuclear waste storage, − electrodes for LIBs/sodium-ion batteries, , quantum electronics, optical fibers, adsorbents, and catalysts, due to their magnetic − and optical and electrical properties. , On the other hand, because of the interesting ferroelectric, piezoelectric, and laser luminescent properties of iron-based phosphates, , it is important to develop and study the properties of new combinations of chromium and iron materials. The structural properties of these compounds present very flexible covalent networks.…”