面向全息三维显示的氧化石墨烯聚合物全息特性研究

One of the fundamental issues with holographic 3D display is to find a practical holographic material. In this research, graphene-oxide polymers are chosen as holographic materials to be explored. Theoretical models of holographic graphene-oxide-based films are developed based on the combination of physics, chemistry and materials theory. We analyze a series of mechanism processes such as optical physics and photochemical reactions during optical exposure. .We will investigate the fabrication process and optimize the testing methods so as to improve the holographic performance of the material, which will be influenced by dynamic changes of the graphene-oxide particle size variation as well as the concentration distribution under pulse and continuous exposure..Specifically, holographic films with different concentration ratios of ingredients are fabricated and tested to contrast the characteristic quality. .Testing with undoped and doped holographic films with different concentration ratio of inorganic oxides are analyzed. In addition, holographic films with its optimal ratio of concentration and doping particle size are explored. Experimental holographic display system is constructed and key factors that impact the best performance of the holographic film made of grapheme-oxide polymers are discovered. We also plan to research ways to increase the phase modulation depth and the viewing angle of the optimized material. The project’s ultimate aims are to solve one of the basic problems in holography and to provide technical support for holographic 3D display..The proposed research involves novel materials and has important theoretical value and practical significance in holographic technology and three-dimensional display.

再现像的承载介质材料是制约全息三维显示走向实用化的根本问题之一。本项目以氧化石墨烯聚合物为研究对象，基于物理、化学及材料理论相结合的思想，建立氧化石墨烯聚合物全息膜的理论模型，探究全息膜在曝光过程中的一系列光物理和光化学的反应机理。设计全息膜的制备方案，改进制备工艺与测试方法。重点研究脉冲及连续光曝光下氧化石墨烯粒径、浓度变化对提高全息膜全息特性的影响。对比不同粒径、浓度配比下的聚合物全息膜全息特性的优劣，对比掺杂和不掺杂，以及掺入不同浓度无机氧化物后，全息膜性能的变化，寻求最优配比浓度和最优掺杂粒径的全息膜。搭建系统进行全息显示实验以验证模型，揭示影响氧化石墨烯聚合物全息膜性能的关键因素，探索解决全息三维显示的视场角和调制深度等问题的方法。项目立足解决全息三维显示领域的基本难题，可为其实用化提供有效的理论基础和技术手段，对全息技术、立体显示、新材料特性等，都具有重要的学术价值和实际意义。

项目以氧化石墨烯聚合物为研究对象，基于物理、化学及材料理论相结合的思想，建立氧化石墨烯聚合物全息膜的理论模型，针对氧化石墨烯聚合物/掺杂纳米粒子的高分子材料所制成的全息膜，完成了全息膜在曝光过程中的一系列光物理和光化学反应机理分析、设计出了全息膜的制备方案、改进了制备工艺与测试方法，不断进行性能测试的实验研究以提升材料的全息特性。寻求最优配比浓度和最优掺杂粒径的全息膜，制备出了厚度均匀的高分子纳米粒子掺杂光致聚合物全息膜，搭建系统进行了自制全息膜的全息三维记录及再现实验，发现了影响氧化石墨烯光致聚合物全息膜最佳性能的关键因素，探索解决全息三维显示的视场角和调制深度等问题的方法，实现了角度复用的光存储，为实际物体的真三维动态全息显示提供坚实的基础。项目成果远远超出前期预期要求，发表SCI/EI文章28篇，目前被引103次，授权发明专利10项，授权软件著作权2项，即将出版著作3部，培养毕业硕士生7名，培养在读博士生3名，两名团队成员职称晋升，4名团队成员获得省级人才称号。项目完成研发内容和技术考核指标。

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