Low-voltage cathodoluminescent properties of ZnGa2O4:Mn phosphors coated with In2O3 nano-particles |
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| Affiliation: | 1. Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan 430074, People׳s Republic of China;2. Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, People׳s Republic of China;1. RFIC Centre, Department of Electronic Engineering, Kwangwoon University, Seoul 139701, South Korea;2. Department of Electronic Materials Engineering, Kwangwoon University, Seoul 139701, South Korea;1. Key Laboratory of Processing and Testing Technology of Glass & Functional Ceramics of Shandong Province, Qilu University of Technology, Jinan 250353, P.R. China;2. Laboratoire des Verres et Céramiques, UMR-CNRS 6226, Université de Rennes 1, Rennes 35042, France;1. College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China;2. Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology, Beijing Jiaotong University, Beijing 100044, China;3. Beijing Synchrotron Radiation Facilities, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | ![]()
Change in the low-voltage luminescence properties of ZnGa2O4:Mn green phosphors before and after In2O3-coating was examined by cathodoluminescence. The coating state and distribution of In2O3 nano-particles on phosphors were investigated by field emission scanning electron microscopy (FE-SEM). Especially, based on FE-SEM analysis, the formation of In2O3 nano-particles on ZnGa2O4:Mn phosphor was confirmed. The improvement of the cathodoluminescence efficiency and lifetime in the In2O3-coated phosphors was associated with the coating of In2O3 nano-particles. |
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