[1] LI G G,LIN J. Recent progress in low-voltage cathodoluminescent materials:synthesis,improvement and emission properties ［J］. Chem. Soc. Rev., 2014,43(20):7099-7131.

[2] ITOH S,TANAKA M. Current status of field-emission displays ［J］. Proc. IEEE, 2002,90(4):514-520.

[3] 王小菊, 林祖伦, 祈康成. 场发射显示器阴极的制备方法及研究现状 ［J］. 现代显示, 2005,16(3):46-50.

    WANG X J,LIN Z L,QI K C. The preparation methods and research status in cathode of field emission display devices ［J］. Adv. Disp., 2005,16(3):46-50. (in Chinese)

[4] 武怀玉, 艾延平, 赵富宝. 场发射显示器阴极结构的发展 ［J］. 现代显示, 2010,21(4):40-43.

    WU H Y,AI Y P,ZHAO F B,et al.. Development of cathode structure of field emission display ［J］. Adv. Disp., 2010,21(4):40-43. (in Chinese)

[5] NA S H,SUNG H J,YOU Y C,et al.. Moderate voltage cathodoluminescence of Y2O2S∶Eu,SrGa2S4∶Eu,and ZnS∶Ag,Al for CNT-FEDs ［J］. Bull. Korean Chem. Soc., 2006,27(10):1708-1711.

[6] ZHANG F L,YANG S,STOFFERS C,et al.. Low voltage cathodoluminescence properties of blue emitting SrGa2S4∶Ce3+ and ZnS∶Ag,Cl phosphors ［J］. Appl. Phys. Lett., 1998,72(18):2226-2228.

[7] GREEFF A P,SWART H C. Quantifying the cathodoluminescence generated in ZnS-based phosphor powders ［J］. Surf. Interface Anal., 2002,34(1):593-596.

[8] ZHANG X Y,LIU Y X,ZHANG M,et al.. Red-emitting nano-porous 12CaO·7Al2O3∶Sm3+ conductive phosphor for low-voltage field emission displays ［J］. Mater. Res. Bull., 2017,86:51-56.

[9] LIU X L,LIU Y X,YAN D T,et al.. Single-phased white-emitting 12CaO·7Al2O3∶Ce3+,Dy3+ phosphors with suitable electrical conductivity for field emission displays ［J］. J. Mater. Chem., 2012,22(33):16839-16843.

[10] 刘畅. Pr3+掺杂12CaO·7Al2O3粉体的结构表征及其氧离子导电机理研究 ［D］. 长春:东北师范大学, 2015.

    LIU C. Synthesis and Oxygen Ion Conductive Mechanism of Pr3+ Doped 12CaO·7Al2O3 Powders ［D］. Changchun:Northeast Normal University, 2015. (in Chinese).

[11] LIU X L,LIU Y X,YAN D T,et al.. Encaged-anion tunable luminescence of Ce3+-activated single host Ca12Al14O32Cl2 phosphor for UV pumped multi-color LEDs ［J］. Mater. Des., 2016,107:139-143.

[12] LIU Y X,MA L,YAN D T,et al.. Effects of encaged anions on the optical and EPR spectroscopies of RE doped C12A7 ［J］. J. Lumin., 2014,152:28-32.

[13] LI S N,LIU Y X,LIU C G,et al.. Improvement of X-ray storage properties of C12A7∶Tb3+ photo-stimulable phosphors through controlling encaged anions ［J］. J. Alloys Compd., 2017,696:828-835.

[14] HAYASHI K,MATSUISHI S,KAMIYA T,et al.. Light-induced conversion of an insulating refractory oxide into a persistent electronic conductor ［J］. Nature, 2002,419(6906):462-465.

[15] ZHANG M,LIU Y X,ZHU H C,et al.. Enhancement of encaged electron concentration by Sr2+ doping and improvement of Gd3+ emission through controlling encaged anions in conductive C12A7 phosphors ［J］. Phys. Chem. Chem. Phys., 2016,18(28):18697-18704.

[16] 边虹宇. 新型铕锶共掺杂mCaO·nAl2O3荧光粉的制备及其发光机理研究 ［D］. 长春:东北师范大学, 2017.

    BIAN H Y. Study on Preparation and Luminescence Mechanism of Eu and Sr Co-doped mCaO·nAl2O3 Phosphors ［D］. Changchun:Northeast Normal University, 2017. (in Chinese)

[17] BIAN H Y,LIU Y X,YAN D T,et al.. Light-induced electrons suppressed by Eu3+ ions doped in Ca11.94-xSrxAl14O33 caged phosphors for LED and FEDs ［J］. J. Am. Ceram. Soc., 2017,100(8):3467-3477.

[18] BIAN H Y,LIU Y X,YAN D T,et al.. Spectral modulation through controlling anions in nanocaged phosphors ［J］. J. Mater. Chem. C, 2013,1(47):7896-7903.

[19] PENG M Y,PEI Z W,HONG G Y,et al.. The reduction of Eu3+ to Eu2+ in BaMgSiO4∶Eu prepared in air and the luminescence of BaMgSiO4∶Eu2+ phosphors ［J］. J. Mater. Chem., 2003,13(5):1202-1205.

[20] ZHANG M,LIU Y X,YANG J,et al.. Enhanced emission of encaged-OH-free Ca12(1-x)Sr12xAl14O33∶0.1%Gd3+ conductive phosphors via tuning the encaged-electron concentration for low-voltage FEDs ［J］. Phys. Chem. Chem. Phys., 2017,19(20):12647-12654.

[21] LIU X L,LIU Y X,YAN D T,et al.. A multiphase strategy for realizing green cathodoluminescence in 12CaO·7Al2O3-CaCeAl3O7∶Ce3+,Tb3+ conductive phosphor ［J］. Dalton Trans., 2013,42(46):16311-16317.

[22] 吕玲,张猛,祝汉成,等. 12CaO·7Al2O3∶Ce3+透明陶瓷的制备及其闪烁特性研究 ［J］. 发光学报, 2015,36(10):1101-1105.

    LYU L,ZHANG M,ZHU H C,et al.. Synthesis and scintillation properties of 12CaO·7Al2O3∶Ce3+ transparent ceramics ［J］. Chin. J. Lumin., 2015,36(10):1101-1105. (in Chinese)

[23] 陈雪岩,杨健,张猛,等. 笼中阴离子基团对Nd3+掺杂C12A7粉体红外发光的影响 ［J］. 发光学报, 2015,36(11):1240-1245.

    CHEN X Y,YANG J,ZHANG M,et al.. Effect of encaged-anion groups on infrared luminescence of C12A7∶Nd3+ powders ［J］. Chin. J. Lumin., 2015,36(11):1240-1245. (in Chinese)

[24] 闫宏,宋婷,张猛,等. 高性能X射线影像存储12CaO·7Al2O3∶Pr3+荧光粉的微结构及光学特性 ［J］. 发光学报, 2018,39(7):895-902.

    YAN H,SONG T,ZHANG M,et al.. Microstructure and optical properties of 12CaO·7Al2O3∶Pr3+ phosphors for high quality X-ray imaging ［J］. Chin. J. Lumin., 2018,39(7):895-902. (in Chinese)

[25] ZHU H C,LIU Y X,YAN D T,et al.. Long lasting blue phosphorescence and photostimulated luminescence in 12CaO·7Al2O3∶Eu thin films grown by pulsed laser deposition ［J］. Opt. Mater., 2014,36(11):1771-1775.

[26] LI S D,MENG Q Y,L S C,et al.. Study on optical temperature sensing properties of Tb3+,Eu3+ co-doped CaMoO4 phosphor ［J］. J. Lumin., 2018,200:103-110.

[27] LI G G,XU X G,PENG C,et al.. Yellow-emitting NaCaPO4∶Mn2+ phosphor for field emission displays ［J］. Opt. Express, 2011,19(17):16423-16431.

[28] 张猛. 用于低压FEDs的基于导电荧光粉的稀土掺杂12CaO·7Al2O3的设计及发光机制 ［D］. 长春:东北师范大学, 2017.

    ZHANG M. Design and Luminescence Mechanism of Rare Earth Doped 12CaO·7Al2O3 Based Conductive Phosphors for Low-voltage FEDs ［D］. Changchun:Northeast Normal University, 2017. (in Chinese)

[29] SUSHKO P V,SHLUGER A L,HIRANO M,et al.. From insulator to electride:a theoretical model of nanoporous oxide 12CaO·7Al2O3 ［J］. J. Am. Chem. Soc., 2006,129(4):942-951.

[30] KIM S W,TODA Y,HAYASHI K,et al.. Synthesis of a room temperature stable 12CaO·7Al2O3 electride from the melt and its application as an electron field emitter ［J］. Chem. Mater., 2006,18(7):1938-1944.