Proceedings of 2005 International Symposium on Electrical Insulating Materials, 2005. (ISEIM 2005). 2005
DOI: 10.1109/iseim.2005.193459 View full text |Buy / Rent full text

Abstract: We investigated luminescence properties of submicron-sized silica particles prepared by S tober method under different conditions. After annealing in a non-oxidizing atmosphere, the submicron-sized silica particles show a broad photoluminescence. (PL) band at 500 nm ranging from visible to ultraviolet wavelength by excitation at 250 nm, and the one at 600 nm by excitation at 488 nm. The particle diameters were controlled by the ethanol contents or temperatures during synthesis. With decreasing particle diamete… Show more

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