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Abstract
An aqueous sol–gel synthesis route has been used for the preparation of undoped and cerium-doped strontium aluminate phase Sr4Al14O25. This study revealed required conditions for obtaining single phase compound, which are 1300°C annealing temperature and addition of 2.5% of boric acid as a fluxing agent. The fact that boric acid is involved in the process of formation of strontium aluminate was confirmed by thermogravimetric measurements. A series of cerium-doped samples has been prepared and their excitation and emission spectra has been measured, which showed peaks at 330nm and 385nm, respectively.
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