A composite material is provided including a phosphor material of at least one of among hafnium oxide, niobium oxide, tantalum oxide or zirconium oxide as a conformal coating on a porous substrate, the composite characterized as exhibiting photoluminescence at room temperature. Also provided is a composite material including a phosphor material of at least one of among hafnium oxide, niobium oxide, tantalum oxide, zinc oxide or zirconium oxide as a conformal coating on a porous substrate, the composite characterized as exhibiting photoluminescence at room temperature and as having a broad emission spectrum having a width at 1/2 maximum greater than 80 nm.

 
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< Ionic Liquids Containing a Sulfonate Anion

> SOLUTION MINING AND IN SITU TREATMENT OF NAHCOLITE BEDS

> ENVIRONMENTAL SANITIZER AND ODOR REMOVER FOR PURIFICATION OF FOODS, SURFACES, AIR AND WATER WITH DISPOSABLE OZONE GENERATION ELECTRODE, PRESSURE/FLOW ADAPTABLE VENTURI INJECTOR AND AQUEOUS PHASE FILTER DEVICE

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