Abstract
In the context of development of LED luminaries with antibacterial effect but without harmful effects on human health, the characteristics of an LED lighting system consisting of a commercial violet LED and a green phosphor based on CsPbBr3 nanocrystals are studied. Internal efficiency of the nanocrystalline phosphor in a silicone compound was found to exceed 40% falling down noticeably because of heating for electric current of the order of 0.1 A (excitation intensity of the order of 0.1 W/mm2). This nondesirable feature can be diminished using remote phosphor design of luminaries as well as by rising thermal stability of nanocrystals with chemical techniques.
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