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Topological luminophor Y2O3:Eu3++Ag with high electroluminescence performance by Wang, Mingzhong; Xu, Longxuan; Chen, Guowei; Zhao, Xiaopeng is a scholarly article available to read on EtoBox.

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Improving luminescent intensity is a significant technical requirement and scientific problem for the luminescent performance of fluorophor materials through the ages. The process control and luminescence performance still limit the developments of luminescent intensity even through it can be improved partly by covering or magnetron sputtering of precious metals on the surface of the fluorophore materials. On the basis of the improvement of luminescence center radiative transition rate by surface plasma resonance and Y2O3:Eu3+ microsheet phosphors, a fundamental model for topological luminophor Y2O3:Eu3++Ag was designed referencing the concepts of topological materials in order to enhance luminescent performance by composite-luminescence, which composed of Eu3+centric electroluminescence and surface plasma-enhanced photoluminescence by Ag. The topological luminophor Y2O3:Eu3++Ag was successfully synthesized with an asymmetric-discrete Ag nanocrystal topological structure on the surface just via illumination. Experiment results suggest that the luminescence performance of topological luminophor Y2O3:Eu3++Ag increased by about 300% compared with that of Y2O3: Eu3+ phosphors on the sa

Author

Wang, Mingzhong; Xu, Longxuan; Chen, Guowei; Zhao, Xiaopeng

Published

2018

Language

EN