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Showing 1 to 5 of 5 for “"Oxysulfide"”.
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THE SYNTHESIS, CHARACTERIZATION, AND UPCONVERTING PROPERTIES OF ERBIUM DOPED; YTTERBIUM, ERBIUM CO-DOPED YTTRIUM OXYSULFIDE PHOSPHORS UNDER 808, 980, AND 1560 nm EXCITATION
<p>Bulk yttrium oxysulfide phosphors were prepared using the polysulfide flux method. The morphology and structure was characterized using transmission electron microscopy and x-ray powdered diffraction. Visible emissions occurring near 530 and 550 nm and 660 - 670 nm consistent with the 2H11/2, …
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Thermolysis Route for Accessing Amorphous Metal Sulfide Thin-Film Catalysts for the Hydrogen Evolution Reaction
… and metal oxide species or homogeneous metal oxysulfide species.
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Sustainable Development of New Phosphors for Photonics Applications
… various materials of plain calcium zinc oxysulfide (CaZnOS) and calcium gallium oxide (Ca3Ga4O9 (CGO)) and their composites with Eu3+, Tb3+, Bi3+ Zn2+ were studied utilizing different synthesis routes. CaZnOS was carried-out for its high performance as a mechano-luminescent material, …
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Metal oxide electrocatalysts for alternative energy technologies
… for water splitting to generate hydrogen. An oxysulfide was studied in order to combine the advantageous properties of the stability of metal oxides and the visible light absorbance of metal chalcogenides. Bi2O2S was synthesized under facile hydrothermal conditions. The band gap of Bi2O2S was …
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Synthesis and Characterisation of Electron Conducting Mesoporous ti and ta Oxide for Use as Potential Electrode Materials in Lithium Ion Batteries
Mesoporous titanium oxide with a pore size of 20-30 Å was impregnated with conducting polythiophene nanowires in order to improve conductivity to take advantage of the ca. 1000 m2/g surface areas for possible applications in charge storage in devices requiring fast Li+ insertion kinetics. Pristine …