Zobrazeno 1 - 10
of 26
pro vyhledávání: '"K. A. Koparkar"'
Autor:
K. A. Koparkar
Publikováno v:
Borate Phosphors ISBN: 9781003207757
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05c34a2b4a7e41337d73d0ae57468757
https://doi.org/10.1201/9781003207757-2
https://doi.org/10.1201/9781003207757-2
Publikováno v:
Optik. 140:211-215
One dimensional YVO4:Eu nanofibers were prepared by dispersion of ultrasonicated sol-gel derived nanoparticles of YVO4:Eu in solution of PVA. The fibers were derived by using electrospining process. The nanofibers sheet was characterized through XRD
Publikováno v:
Materials Discovery. 7:15-20
The green emitting phosphor was YPO4 co-doped with Gd3+, Tb3+ and synthesized by the precipitation method. The X-ray diffraction (XRD) analysis shows structural purity of as-synthesized phosphors. The photoluminescence (PL) properties including excit
Publikováno v:
Journal of Alloys and Compounds. 689:992-997
The series of novel Li (1−x) AlSiO 4 :xSm 3+ (x = 0.005, 0.01, 0.02, 0.03 and 0.04 mol) phosphors were prepared by traditional solid state method at 900 °C. The crystalline phase of β-eucryptite (LiAlSiO 4 ) sample was verified by X-ray diffracti
Publikováno v:
Bulletin of Materials Science. 39:1625-1629
In this study, the spectral downshifting (DS) from ultraviolet (UV) light to near-infrared (NIR) radiation in Sr 3 (VO 4 ) 2 :Nd 3 + phosphor is reported. The prepared materials were characterized by X-ray powder diffraction (XRD) and photoluminescen
Publikováno v:
Journal of Physics: Conference Series. 1644:012056
Abstract Synthesis of europium doped alkaline earth aluminates MAl12O19 [M=Ca, Sr, Ba] by low temperatures (500ºC) solution combustion method. It corresponds to maintain the ratio of metal nitrate and urea solution mixtures. The characterization of
Autor:
S.K. Omanwar, K. A. Koparkar
Publikováno v:
Bulletin of Materials Science. 39:1127-1132
The series of Bi3+ co-doped YPO4 : Eu3+ nanophosphors were successfully synthesized by the slow evaporation method. Bi3+-doped and un-doped YPO4 : Eu3+ phosphors were characterized by using powder X-ray diffraction, Fourier transform infrared spectro
Autor:
S.K. Omanwar, K. A. Koparkar
Publikováno v:
Journal of Luminescence. 175:176-181
The increasing molar concentration of Gd 3+ ions in Eu 3+ doped phosphate were successfully synthesized by slow evaporation method. All as-prepared phosphors (YPO 4 :Eu 3+ , (Y 0.3 Gd 0.7 )PO 4 :Eu 3+ , Gd 1.4 PO 4.2 :Eu 3+ , Gd 2.1 PO 5.55 :Eu 3+ an
Publikováno v:
Journal of Luminescence. 175:9-15
We have studied the effect of boron co-doping on the continuous wave mode OSL (CW-OSL) and thermoluminescence (TL) properties of LiMgPO4:Tb prepared by modified solid state reaction. The materials show comparative OSL with respect to commercial phosp
Publikováno v:
Journal of Optics. 46:91-94
A highly intense reddish-orange and blue emitting borate phosphors YAl3(BO3)4:Sm3+ and LaMgB5O10:Ce3+ have been synthesized by a combustion synthesis method using urea as a fuel. Their luminescent properties have been studied over the 200–450 nm ex