Luminescence properties and energy transfer of a novel bluish-green tunable NaBa4(BO3)3:Ce3+, Tb3+ phosphor |
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| Affiliation: | 1. Key Laboratory of Superlight Material and Surface Technology, Ministry of Education, Harbin Engineering University, 150001, China;2. Institute of Advanced Marine Materials, Harbin Engineering University, 150001, China;1. State Key Lab of Silicon Material & Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, PR China;2. Department of Material Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333001, PR China;3. Department of Physics, Zhejiang University, Hangzhou 310027, PR China;1. Materials Science Laboratory, School of Physics, Devi Ahilya University, Khandwa Road Campus, Indore 452001, India;2. Department of Physics, Indore Institute of Science and Technology, Pithampur Road, Rau, Indore 453331, India;3. Department of Physics, National Dong Hwa University, Hualien 97401, Taiwan |
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| Abstract: | A series of single-phased emission tunable NaBa4(BO3)3:Ce3+, Tb3+ phosphors were synthesized by solid-state reaction. The crystal structure, photoluminescence properties, concentration quenching and energy transfer of NaBa4(BO3)3:Ce3+, Tb3+ were systematically investigated. The wavelength-tunable bluish-green light can be realized by coupling the emission bands centered at 425 and 543 nm ascribed to the contribution from Ce3+ and Tb3+, respectively. The energy transfer from Ce3+ to Tb3+ in NaBa4(BO3)3 host was studied and demonstrated to be a resonant type via a dipole–dipole interaction mechanism. The energy transfer efficiency (Ce3+ → Tb3+) obtained by decay curves was consistent with the result calculated by the emission intensity, which gradually increased from 0% to 84.5% by increasing the Tb3+ doping content from 0 to 0.45. The results indicate that the NaBa4(BO3)3:Ce3+, Tb3+ phosphors have potential applications as an ultraviolet-convertible phosphor due to its effective excitation in the ultraviolet rang. |
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| Keywords: | A Optical materials D Luminescence D Optical properties |
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