Eu2+ doped inorganic luminescent nanoparticles for application in greenhouses and sheet structures and coatings for greenhouses comprising these nanoparticles

摘要

The present invention relates to a light-emitting layer, comprising : Eu 2+doped inorganic light-emitting material comprising or consisting essentially of Al and/or Si elements and O and/or N elements, the doped inorganic light-emitting material having a solar spectrum of 200 nm Converts radiation in the UV region between to 400 nm and radiation in the photosynthetic active radiation (PAR) region (400 nm to 700 nm) of the solar spectrum, wherein the inorganic luminescent material has a Si concentration of 0 to 45 at.% and an Al concentration of 0 to 50 at.%, the O concentration is selected between 0 and 70 at.%, the N concentration is between 0 and 60 at.% and Eu 2+ is selected between 0.01 and 30 at.%.