期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 2, 期 39, 页码 8328-8332出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4tc01332h
关键词
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资金
- National Natural Science Foundation of China [10979027, 11174005, 21171176, U1232108]
- Guangzhou Science and Technology Project [2013Y2-00118]
- Natural Science Foundation of Guangdong Province [S2013030012842]
Photoluminescence properties of Ba2MgSi2O7:Eu2+ synthesized by a solid-state reaction method are first investigated in the vacuum ultraviolet (VUV) to visible (vis) excitation energy range. The band gap of the host is found to be around 7.44 eV. The incorporation of Eu2+ leads to bright green luminescence with weak thermal quenching above room temperature. Cathodoluminescence (CL) properties under low-voltage excitations are then studied, and the results suggest a potential application of the compound in field emission displays (FEDs). Electronic properties of the compound are finally calculated by a hybrid density functional theory (DFT) method, and are discussed in association with observed luminescence properties.
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