Abstract
The photoluminescence properties of Bi 3+-doped Sr 5(PO 4) 3Cl nanocrystals with rod-like structures prepared by a simple precipitation method were investigated. The obtained nanorods had diameters of 10–20 nm and lengths of 50–200 nm observed by transmission electron micrograph (TEM). The photoluminescence spectra revealed that a strong blue emission band centered at 416 nm excited by 385 nm was ascribed to 3P 1– 1S 0 transition in Bi 3+ ions. The optimum dopant concentration for Bi 3+ ions was 1.5 mol%, which could be attributed to energy migration to quenching centers.
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