Abstract
For this study, different alkali carbonates (Li2CO3, Na2CO3, and K2CO3) were added to a Eu3+ activated YInGe2O7 phosphor synthesized using conventional sintering and microwave-assisted sintering. The morphology and photoluminescence properties of YInGe2O7:Eu3+ phosphors were investigated and discussed. When the alkali ions were introduced into YInGe2O7:Eu3+ phosphors, the excitation peaks of phosphors were shifted to a short wavelength because the addition of alkali ions may increase the oxygen vacancy in YInGe2O7:Eu3+ phosphors. Additionally, the best enhanced luminescent properties in YInGe2O7:Eu3+ phosphors were obtained through the addition of Li+ ion.
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Acknowledgments
This study was funded by the Ministry of Science and Technology, Bureau of Energy, the Ministry of Economic Affairs and the Southern Taiwan Science Park Administration (STSPA), Taiwan, R.O.C. under contracts NSC 101-2628-E-020-002-MY3, No. 102-E0603 and 102GE06. The authors would also like to thank the National Nano-Device Laboratories, and the Precision Instrument Center of National Pingtung University of Science and Technology for supplying experimental equipment.
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Chen, HY., Lai, HL., Yang, RY. et al. Effect of different alkali carbonate on the microstructure and photoluminescent properties of YInGe2O7:Eu3+ phosphors. J Mater Sci: Mater Electron 27, 2963–2967 (2016). https://doi.org/10.1007/s10854-015-4116-7
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DOI: https://doi.org/10.1007/s10854-015-4116-7