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Article

SiO2 NPs-PQ/PMMA Photopolymer Material Doped with a High-Concentration Photosensitizer for Holographic Storage

by 1,2,*, 3 and 4,*
1
Research Institute for Frontier Science, Beihang University, No. 37th, Xueyuan Road, Haidian District, Beijing 100091, China
2
Research Center for Quantum Sensing, Zhejiang Lab, No. 1818th, Wenyi West Road, Yuhang District, Hangzhou 310000, Zhejiang, China
3
Department of Chemistry and Chemical Engineering, Hebei Normal Universitry for Nationalities, Chengde 067000, Hebei, China
4
Fujian Provincial Key Laboratory of Photonics Technology, College of Photonic and Electronic Engineering, Fujian Normal University, Fuzhou 350007, Fujian, China
*
Authors to whom correspondence should be addressed.
Polymers 2020, 12(4), 816; https://doi.org/10.3390/polym12040816
Received: 5 March 2020 / Revised: 31 March 2020 / Accepted: 1 April 2020 / Published: 4 April 2020
Dispersing nanoparticles and increasing the photosensitizer concentration have been regarded as effective approaches for improving the performance of a holographic storage material. In this paper, SiO2 nanoparticle (NP)-dispersed PQ/PMMA nanocomposite material (SiO2 NP-PQ/PMMA) with a high PQ doping concentration was prepared. By introducing the co-monomer methyl isobutyl ketone (MIBK) that comes from an SiO2 NP colloidal solution, the concentration of PQ in the system increased to 1.2 wt %. We investigated the performance of polarization holographic recordings in both traditional PQ/PMMA and nanocomposite material SiO2 NP-PQ/PMMA with the orthogonally polarized signal and reference waves. With the dispersion of the SiO2 NPs colloidal solution and the increase in the PQ concentration, diffraction efficiency and photoinduced birefringence were multiplied. In addition, high-quality holographic image reconstruction was achieved by our homemade material. View Full-Text
Keywords: nanocomposite photopolymer material; holographic data storage; polarization holography; holographic storage material nanocomposite photopolymer material; holographic data storage; polarization holography; holographic storage material
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MDPI and ACS Style

Liu, Y.; Fan, F.; Tan, X. SiO2 NPs-PQ/PMMA Photopolymer Material Doped with a High-Concentration Photosensitizer for Holographic Storage. Polymers 2020, 12, 816. https://doi.org/10.3390/polym12040816

AMA Style

Liu Y, Fan F, Tan X. SiO2 NPs-PQ/PMMA Photopolymer Material Doped with a High-Concentration Photosensitizer for Holographic Storage. Polymers. 2020; 12(4):816. https://doi.org/10.3390/polym12040816

Chicago/Turabian Style

Liu, Ying, Fenglan Fan, and Xiaodi Tan. 2020. "SiO2 NPs-PQ/PMMA Photopolymer Material Doped with a High-Concentration Photosensitizer for Holographic Storage" Polymers 12, no. 4: 816. https://doi.org/10.3390/polym12040816

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