Journal
CHEMICAL PHYSICS LETTERS
Volume 792, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2022.139399
Keywords
Combustion; Nanomaterials; Optical; Rietveld refinement; Photoluminescence; LEDs
Funding
- M.D. University [RS/R-15/19/2004]
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In this study, a new set of white-emitters BaLa2ZnO5:Dy3+ nanomaterials were fabricated using an inexpensive and energy-saving urea-aided-combustion route. The nanomaterials exhibited white-luminance with bluish and golden bands under 355 nm energization. The optimal nanopowder showed fine photometric characteristics, making it a promising candidate for various applications including high-performance cool-wLEDs, lasers, indoor-cultivation, sensors, and photovoltaic cells.
Herein, we report a new set of white-emitters i.e., BaLa2ZnO5:Dy3+ nanomaterials, fabricated via an inexpensive and energy-saving urea-aided-combustion route. Tetragonal phase-transparency had been authorized via X-ray powder diffraction-facilitated-Rietveld refinement analysis. Under 355 nm energization, target samples manifested white-luminance via two bands, namely bluish and golden (485 & 578 nm). Fine photometric characteristics of optimal nanopowder had been reflected in white coordinates (0.2693, 0.3278) with high purity of white-light (27.61 x 10-2), quantum-efficiency (74.95%), and appropriate color-temperature (9290 K). Briefly, the aforementioned results suggested their promising employment for generating cool-white-light in highperformance cool-wLEDs (white-light emanating diodes), lasers, indoor-cultivation, sensors, and photovoltaiccells.
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