1. Synthesis and photoluminescence properties of Pb2+ doped Li4CaB2O6.
- Author
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Pekgözlü, İlhan, Erdoğmuş, Ertuğrul, and Başak, Ali Sadi
- Subjects
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PHOTOLUMINESCENCE , *DOPING agents (Chemistry) , *LEAD compounds , *MOLECULAR structure , *X-ray diffraction - Abstract
Pure and Pb 2+ doped Li 4 CaB 2 O 6 materials were prepared by the solid state reaction. The phase analysis of all synthesized materials were determined using the powder XRD. The synthesized materials were investigated using spectrofluorometer at room temperature. The excitation and emission bands of Li 4 CaB 2 O 6 :Pb 2+ were observed at 263 and 298 nm, respectively. The dependence of the emission intensity on the Pb 2+ concentration for the Li 4 CaB 2 O 6 were studied in detail. It was observed that the concentration quenching of Pb 2+ in Li 4 CaB 2 O 6 is 0.01 mol. The Stokes shifts of Li 4 CaB 2 O 6 :Pb 2+ phosphor was calculated to be 4466 cm −1 . Also, the photoluminescence properties of Pb 2+ in various lithium calcium borates (LCB) with different structure was discussed. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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