Red-emitting Eu3+ activated LaSr2AlO5 phosphor for wLEDs: Crystal structure, photoluminescence, thermal stability, Judd-Ofelt calculation and band-gap analyses

P Kumar, D Singh, H Kumar - Materials Research Bulletin, 2024 - Elsevier
Abstract Red-emitting La 1-x Sr 2 AlO 5: xEu 3+(x= 0.01–0.06) phosphors have been
synthesized via gel combustion (GC) approach and their structure and luminescent …

UV excitable GdSr2AlO5: Eu3+ red emitting nanophosphors: structure refinement, photoluminescence, Judd-Ofelt analysis and thermal stability for w-LEDs

P Kumar, D Singh, I Gupta - Journal of Alloys and Compounds, 2023 - Elsevier
Abstract Combustion derived Gd 1− x Sr 2 AlO 5: x mol% Eu 3+(x= 1–5 mol%)
nanophosphors have tetragonal structure with space-symmetry of I4/mcm (space group no …

A green light emissive LaSr 2 AlO 5: Er 3+ nanocrystalline material for solid state lighting: crystal phase refinement and down-conversion photoluminescence with high …

P Kumar, D Singh, H Kumar - RSC advances, 2024 - pubs.rsc.org
The present study reveals the structural and optoelectronic characteristics of a down-
converted (DC) green luminous Er3+ doped LaSr2AlO5 phosphor that was produced by …

Synthesis, crystallographic structure, down shifting luminescence of Er (III) activated GdSr2AlO5 nanophosphors: An efficient green emitter for solid state lighting

P Kumar, D Singh, I Gupta, H Kumar - Materials Science in Semiconductor …, 2023 - Elsevier
In order to investigate a potential phosphor material for solid state illumination applications,
we developed a series of green light emanating Er 3+ doped GdSr 2 AlO 5 (GSA) phosphors …

Red-emitting LaOF: Eu3+ phosphors: synthesis, structure and their Judd–Ofelt analysis for LED applications

N Dhananjaya, C Shivakumara, R Saraf… - Materials Research …, 2016 - Elsevier
In the present study, we have synthesized a series of La 1− x Eu x OF (0.01≤ x≤ 0.09)
phosphors by the conventional solid-state reaction route at relatively low temperature (500° …

Er3+ activated LaAlO3 perovskite phosphor: crystal structure and down conversion photoluminescent behaviour for optoelectronic devices

P Kumar, S Singh, I Gupta, V Kumar, D Singh - Inorganic Chemistry …, 2022 - Elsevier
A series of green light emissive La 1-x AlO 3: xEr 3+(x= 0.01 to 0.08) nanophosphors were
effectively synthesized via reliable, ecofriendly and low temperature based urea assisted gel …

Gel-combustion synthesis, structural and optoelectronic analyses of Tb3+ activated LaSr2AlO5 nanophosphors: A green emitter for displays

P Kumar, D Singh, H Kumar - Materials Science in Semiconductor …, 2024 - Elsevier
A gel-combustion approach, utilizing urea as a fuel has been employed to generate highly
green luminous LaSr 2 AlO 5: Tb 3+ nanophosphors. This experiment explored the crystal …

A red-emitting phosphor LaSr2AlO5: Eu3+/Eu2+ prepared under oxidative and reductive atmospheres

W Jiang, R Fu, X Gu, P Zhang, A Coşgun - Journal of Luminescence, 2015 - Elsevier
A series of Eu-doped LaSr 2 AlO 5 phosphors were synthesized by high-temperature solid
state reactions under oxidative and reductive atmospheres, respectively. The …

Synthesis and luminescence study of Eu3+‐doped SrYAl3O7 phosphor

AR Kadam, SJ Dhoble - Luminescence, 2019 - Wiley Online Library
Rare‐earth ions play an important role in eco‐friendly solid‐state lighting for the lighting
industry. In the present study we were interested in Eu3+ ion‐doped inorganic phosphors for …

Synthesis, crystal structure, and characterizations of Eu3+-activated Ca2LnHf2 (AlO4) 3 (ln= Lu, Y and Gd) red-emitting phosphors for phosphors-converted white …

N Ma, W Li, X Huang - Journal of Luminescence, 2024 - Elsevier
High-brightness red-emitting Ca 2 LnHf 2 Al 3 O 12: Eu 3+(Ln= Lu, Y and Gd) garnet
phosphors with high photoluminescence efficiency are demonstrated for application in white …