Cathodoluminescent properties of SrGa2S4:Eu2+ phosphor for field-emission display applications

被引：24
作者：
Duan, C. Y.
Chen, J. [1 ]
Deng, S. Z.
Xu, N. S.
Zhang, J. H.
Liang, H. B.
Su, Q.
机构：
[1] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Peoples R China
[2] Sun Yat Sen Univ, Guangdong Province Kay Lab Display Mat & Technol, Guangzhou 510275, Peoples R China
来源：
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 2007年 / 25卷 / 02期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1116/1.2539552
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Cathodoluminescent properties of a SrGa2S4:Eu2+ phosphor, which was synthesized by a high-temperature solid-phase reaction, have been studied. Cathodoluminescent spectra, the Commission International de l'Eclairage color coordinates, and photoluminescence spectra were obtained. The cathodoluminescent intensity was measured at an operating voltage of 0-10 kV and current density of 0-160 mu A/cm(2). The degradation of cathodoluminescence after high-current-density bombardment was observed. X-ray photoelectron-spectroscopy analysis showed the electron-bombardment-induced chemical reaction in the SrGa2S4:Eu2+ phosphor in which SrSO4 was formed. The cathodoluminescent properties were compared with commercial green phosphor ZnS:Cu,Au,Al and it was found that the properties of SrGa2S4:Eu2+ phosphor under high current bombardment were more stable. (c) 2007 American Vacuum Society.
引用
收藏
页码：618 / 622
页数：5
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