Synthesis and photoluminescence study of narrow-band UVB-emitting LiSr4(BO3)3:Gd3+, Pr3+ phosphor
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چکیده
منابع مشابه
Evaluation of Efficacy and Safety of Combination of Narrow Band Ultraviolet B and Topical Calcipotriol Versus Narrow Band UVB alone in the Treatment of Vitiligo
Background: Narrow band Ultraviolet B (NBUVB) has been used successfully for the treatment of vitiligo. Recently, topical calcipotriol has also been used as immunotherapy or as a part of combination therapies. The aim of this study was to compare the clinical efficacy and safety of NBUVB and NBUVB plus topical calcipotriol in the treatment of generalized vitiligo.Methods: NBUVB phototherapy was...
متن کاملCombustion Synthesis and Photoluminescence Properties of Red-Emitting CaAlSiN3:Eu2+ Phosphor for White-LEDs
A combustion synthesis method has been developed for synthesis of Eu2+ doped CaAlSiN₃ phosphor and its photoluminescence properties were investigated. Ca, Al, Si, and Eu₂O₃ powders were used as the Ca, Al, Si and Eu sources. The addition of NaN₃, NH₄Cl and Si₃N₄ powders was found to increase significantly the product yield. These powders were mixed and pressed into a compact, which was then wra...
متن کاملNarrow-band UVB treatment in atopic dermatitis.
MATERIAL AND METHODS Fig. 1. Narrow-band UVB (NB-UVB) and combined UVAB treatTen adult patients (mean age 27 years) with symmetrical AD were ment results in half-side comparison study in 10 patients with atopic included in the half-side (right/left) comparison study. One side of the dermatitis ( 5 NB-UVB; 5 UVAB). body was treated with narrow-band UVB, the other with combined UVAB. The light so...
متن کاملNarrow band UVB phototherapy in dermatology.
The first report of the use of ‘phototherapy’ in the treatment of skin disorders dates from 1400 BC from India when patients with vitiligo were given certain plant extracts (whose active ingredients included psoralens) and then exposed to the sun. The real interest in the use of ultraviolet (UV) irradiation in the treatment of various skin diseases started in the 19 century when Niels Finsen re...
متن کاملSynthesis, Characterization and Photoluminescence of Sr2CeO4: Dy3+, La3+) phosphor
In this work, pure Sr2CeO4 and Sr2CeO4: x=0.01, 0.1, 0.2, 0.5, 1.0mol% Dy3+, 0.5mol% La3+ phosphors were synthesized by solid state reaction method. X-ray diffraction (XRD) patterns confirmed that the samples exhibited an orthorhombic crystal structure. Room temperature photoluminescence (PL) analysis indicated that the excitation peak at around 260 nm, and all the samples showed intense blue e...
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ژورنال
عنوان ژورنال: Bulletin of Materials Science
سال: 2017
ISSN: 0250-4707,0973-7669
DOI: 10.1007/s12034-016-1344-2