碘化铯薄膜光阴极的研究进展  

Recent Progress in Research on CsI Thin Film Photocathodes

作　　者：樊龙 黎宇坤[1] 陈韬[1] 李晋[1] 杨志文[1] 袁铮[1] 邓博[1] 曹柱荣[1] 胡昕[1] 

机构地区：[1]中国工程物理研究院激光聚变研究中心,绵阳621900

出　　处：《无机材料学报》2015年第3期225-232,共8页Journal of Inorganic Materials

基　　金：国家自然科学基金(10905050);中国工程物理研究院发展基金(2013B0102011)~~

摘　　要：碘化铯(CsI)薄膜因对X射线及紫外光具有高的光电转换效率而倍受关注。在核物理、高能物理以及天体物理研究的推动下,研制高量子效率(QE)、性能稳定的CsI薄膜光阴极成为了近年来研究的热点。然而,目前人们对某些影响其性能的因素还不完全清楚或确定。本文综述了CsI薄膜光阴极的最新研究进展,总结了影响QE的因素和光阴极的老化机理,重点关注了一些存在争议的问题,并对其研究发展方向进行了探讨。Caesium iodide （CsI） thin films have attracted much attention due to good electron transport and emission properties in the soft X-ray and extreme ultraviolet range. With the rapid development of nuclear physics, high energy physics and astrophysics, the requirements for CsI film photocathodes become increasingly severe, and it is therefore of considerable interest to develop CsI photocathodes with high quantum efficiency （QE） and stable performance. However, the internal mechanisms of QE variation and photocathode aging are not entirely clear or certain up to date. In this paper, the recent progress on CsI film photocathodes is reviewed and some controversial issues are introduced. Several perspectives are also proposed in the end.

关 键 词：CsI薄膜 光阴极 量子效率 受潮老化 辐照老化 综述 

分 类 号：TQ174[化学工程—陶瓷工业]