Core-shell nanophosphors for radiation storage and methods

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This invention relates to a method for producing a core-shell nanophosphor for use in radiation storage comprising : a) preparing a nanoscale metal halide core; b) coating the nanoscale metal halide core with at least one shell which is activated by a rare earth metal; and c) forming a core-shell nanophosphor. This invention also relates to a core-shell nanophosphor comprising a substrate core and at least one shell that is sensitive to ionizing radiation, neutrons, electrons or UV radiation. This invention also relates to a radiation image storage panel, a radiation monitoring apparatus and a use of the core-shell nanophosphor according to this invention.