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Photoluminescence properties of a natural fluorite

Joint Graduate School in the Science of School Education,Hyogo University of Teacher Education,Yashiro cho,Kato gun,Hyogo 673 1494,Japan Department of Chemistry,Faculty of Science,Okayama University,…
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Fine structure in photoluminescence spectrum of S2− center in sodalite

The photoluminescence and excitation spectra of sodalites from Greenland, Canada and Xinjiang (China) are observed at 300 and 10 K in detail. The features of the emission and excitation spectra of…
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Refractive index sensitivity analysis of gold nanoparticles

Abstract In this article, with gold nanoellipsoid, nanocylinder, and nanobar as the research object, we investigated the variation of resonance wavelength and refractive index sensitivity by using…
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Photoluminescence of baratovite and katayamalite

The photoluminescence (PL) and optical excitation spectra of baratovite in aegirine syenite from Dara-i-Pioz, Tien Shan Mts., Tajikistan and katayamalite in aegirine syenite from Iwagi Islet, Ehime,…
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Development of novel Eu2+ and Li+ Co-doped cyan-emitting aluminosilicate phosphors

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Photoluminescence spectra of S2− center in natural and heat-treated scapolites

The emission and excitation spectra of yellow luminescence due to S2− in scapolites (#1 from Canada and #2 from an unknown locality) were observed at 300, 80 and 10 K. Emission and excitation bands…
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Natural fluorite emitting yellow fluorescence under UV light

AbstractMany mineralogists believe that fluorite emits violet fluorescence under UV light, but a special fluorite from Japan emits yellow fluorescence under UV light. The analysis by inductively…
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Energy Transfer Behavior and Color-Tunable Properties of Ca2Al2SiO7:RE3+ (RE3+ = Tm3+, Dy3+, Tm3+/Dy3+) for White-Emitting Phosphors

Tm3+/Dy3+-codoped Ca2Al2SiO7 phosphors have been synthesized using a high-temperature solid-state reaction method. The crystal structure, x-ray diffraction patterns, and photoluminescence (PL)…
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[Near-infrared photoluminescence properties of natural sodalite activated with Mn and Fe transition metal ions doping].

The main emission peak of Fe2+ ions in the Na8Al6Si6O24Cl2 : Fe phosphor was recorded at 1 000 nm in the NIR region under the excitation of 334 or 500 nm, which suggests a potential application in improving solar spectrum to enhance the efficiency of silicon solar cells.
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Preparation of novel KAlSiO4: Ce3+ broadband cyan-emitting phosphors via partial cation substitution for applications in white-light LEDs

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