Luminescent Materials for Volumetric Three-Dimensional Displays Based on Photoactivated Phosphorescence

被引:0
|
作者
Gu, Yuhan [1 ]
Wan, Shigang [1 ]
Liu, Qing [2 ]
Ye, Changqing [1 ]
机构
[1] Suzhou Univ Sci & Technol, Sch Mat Sci & Engn, Suzhou 215009, Peoples R China
[2] Suzhou Univ Sci & Technol, Sch Chem & Life Sci, Suzhou 215009, Peoples R China
基金
中国国家自然科学基金;
关键词
3D display; photoactivation; phosphorescence; phthalocyanine; photochemical deoxygenation; UP-CONVERSION NANOPARTICLES; 3D DISPLAY; 2-STEP EXCITATION; TRANSPARENT; EMISSION; GLASSES; STATE;
D O I
10.3390/polym15092004
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
True three-dimensional (3D) displays are the best display technologies and their breakthrough is primarily due to advancements in display media. In this paper, we propose two luminescent materials for a static volumetric 3D display based on photoactivated phosphorescence. The luminescent materials include (1) dimethyl sulfoxide (DMSO)/1-methyl-2-pyrrolidinone (NMP) or tetramethylene sulfoxide (TMSO) as the solvent and photochemically-deoxygenating reagent; (2) a metal phthalocyanine complex as the sensitizer; (3) a phosphorescent platinum complex as the emitter. The metal phthalocyanine complex, PdPrPc (PdBuPc), absorbs the light beam of 635 nm and the solvent scavenges the sensitized singlet oxygen. Light beams pass through a deoxygenated zone. The phosphorescent emitter, PtNI, absorbs the 440 nm light beam and phosphoresces only in the deoxygenated zone generated by the sensitizer. Phosphorescent voxels and high-contrast 3D images are well-defined at the intersection of 635 and 440 nm light beams.
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页数:11
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