3D Image Storage in Photopolymer/ZnS Nanocomposites Tailored by "Photoinitibitor"

被引：73
作者：
Ni, Mingli [1 ]
Peng, Haiyan [3 ]
Liao, Yonggui [1 ]
Yang, Zhifang [2 ]
Xue, Zhigang [1 ]
Xie, Xiaolin [1 ,2 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Chem & Chem Engn, Minist Educ, Key Lab Large Format Battery Mat & Syst, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Natl Anticounterfeit Engn Res Ctr, Wuhan 430074, Peoples R China
[3] Chinese Acad Sci, Guangzhou Inst Adv Technol, Guangzhou 511458, Guangdong, Peoples R China
来源：
MACROMOLECULES | 2015年 / 48卷 / 09期
关键词：
DISPERSED METHACRYLATE PHOTOPOLYMERS; ORGANIC-INORGANIC NANOCOMPOSITES; HOLOGRAPHIC PHOTOPOLYMERIZATION; DIFFRACTION EFFICIENCY; MONOMER FUNCTIONALITY; POLYMER; GRATINGS; NANOPARTICLES; PERFORMANCE; DYNAMICS;
D O I：
10.1021/acs.macromol.5b00261
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
We synthesize zinc sulfide (ZnS) nanoparticles with a diameter of similar to 5 nm and formulate novel photopolymer/ZnS, nanocomposites for holographic. recording. By taking advantage of the photoinitibitor;, composed of 3,3'-carbonylbis-(7-diethylaminocoumarin) (KCD) and N-phenylglycine (NPG), With a capability of spatiotemporally tailoring the grating formation process, we successfully achieve high, performance holographic photopolymer/ZnS nanocomposites with as. high as 93.6% of diffraction efficiency (eta), 26.6 x 10(-3) of refractive index modulation (n(1)), 8.4 per 200 mu m of dynamic range, and 9.8 cm/mJ of photosensitivity. In addition, Jot an aim of toughly. describing the grating formation process, we establish a navel exponential correlation between the ZnS nanoparticles segregation degree (SD) and the ratio of photopolymerization gelation time (t(gel)) to holographic mixture viscosity (v). Finally, we reconstruct and display 3D images that are dearly identifiable to the naked eye through a master technique, opening a versatile class of potential applications in high capacity data storage, stereoadvertisements, and anticounterfeiting.
引用
收藏
页码：2958 / 2966
页数：9
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