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首页> 外文期刊>Journal of Materials Research >Nanoscale continuous In_2O_3 coating on phosphor particles for improved low-voltage cathodoluminescent properties
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Nanoscale continuous In_2O_3 coating on phosphor particles for improved low-voltage cathodoluminescent properties

机译：磷光体颗粒上的纳米级连续In_2O_3涂层可改善低压阴极发光性能

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摘要

A nanoscale continuous coating of In_2O_3 on phosphors for low-voltage display applications is proposed in which the electrical conductivity of phosphor screen plays a major role. The effect of In_2O_3 coating by the sol-gel method on the cathodoluminescence (CL) of ZnGa_2O_4:Mn phosphors improves the intensity of low-voltage CL noticeably compared with that of In_2O_3 mixing. It is understood that electrically conductive channels are formed by a much smaller amount of In_2O_3 addition than that of In_2O_3 mixing. Especially, based on transmission electron microscopy analysis, the formation of uniform nanoscale continuous In_2O_3 layers on the phosphor surface was confirmed. Also, the structural and CL characterizations presented in this paper clearly demonstrate that the nanoscale encapsulation of In_2O_3 layers on phosphors served as protective layers retarding the CL degradation introduced by the low-energy electron irradiation, which is critically important for the development of low-voltage display applications.
机译：提出了用于低压显示应用的磷光体上的In_2O_3纳米级连续涂层，其中磷光屏的导电性起着主要作用。与In_2O_3混合相比，溶胶-凝胶法In_2O_3涂层对ZnGa_2O_4：Mn荧光粉的阴极发光（CL）的影响显着提高了低压CL的强度。可以理解，与In_2O_3混合相比，In_2O_3的添加量少得多。特别地，基于透射电子显微镜分析，证实了在荧光体表面上形成均匀的纳米级连续In_2O_3层。此外，本文中提出的结构和CL表征清楚地表明，In_2O_3层在荧光粉上的纳米封装充当了保护层，可阻止由低能电子辐照引起的CL降解，这对于低压的发展至关重要。显示应用程序。

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