高对比度有机刺激响应发光材料研究进展(综述)  

Recent Advances in Organic Stimuli-Responsive-Luminescent Materials with High Contrast(Review)

作　　者：刘丰茂 李洁[1] LIU Fengmao;LI Jie(Key Laboratory of Interface Science and Engineering in Advanced Materials of Ministry of Education,Taiyuan University of Technology,Taiyuan 030024,China)

机构地区：[1]太原理工大学新材料界面科学与工程教育部重点实验室,太原030024

出　　处：《太原理工大学学报》2024年第3期414-426,共13页Journal of Taiyuan University of Technology

基　　金：国家自然科学基金资助项目(61605138);山西省回国留学人员科研资助项目(2021-057);山西省应用基础研究计划面上项目(20210302123144)。

摘　　要：【目的】信息技术的不断发展对经济、政治、文化和军事等领域产生了深远影响,信息安全问题也变得愈发突出。将信息深度隐藏是提高信息安全的重要途径之一,开发具有信息深度隐藏功能的材料是研究的热点之一。刺激响应发光材料能够对机械力、光、温度、pH值等外部刺激产生响应性荧光信号,而具备信号开关转换功能、高对比度以及高信噪比的发光启亮型材料在信息深度隐藏领域展现出明显的优势和巨大的应用潜力。【方法】按照从分子结构改变到聚集态结构转变的顺序,总结了近五年不同类型的刺激响应发光启亮型材料,并对该材料体系进行了系统归纳。【结论】从发光机制、动力学调控、多相态转换等角度,总结了高性能刺激响应发光材料仍存在的问题,并提出了解决思路,旨在为新型高性能刺激响应发光材料的设计、制备和应用提供可借鉴的理论和实践经验。【Purposes】The development of information technology has significantly impacted economic,political,cultural,and military fields,and the information security is of great importance in modern society.Deep information-hiding,i.e.hiding the confidential information in an overt carrier,is one of the most important approach in improving information security and has been driving long research efforts in material science,communication technology and cryptology.Organic stimuli-responsive luminescent(SRL)materials that change their luminescence in response to mechanical force,thermal treatment,and light or pH value are considered as promising media candidates.Among them,the materials that exhibit SRL turn-on capabilities have shown advanced performances such as high contrast and signal to noise ratio,and aroused enormous interest.【Methods】The recent progress of SRL turn-on materials based on the MRL mechanisms and performances is reviewed following the sequence from changes in molecular structure to modifications in aggregate structure.A systematic summary of the material system is provided.【Conclusions】The existing challenges facing high-performance MRL turn-on materials,including the development of luminescence mechanisms,regulation of kinetic process and control of multiphase state transitions are elaborated and rational solution are proposed.It will provide theoretical insights and practical experiences for the design,synthesis,and application of novel high-performance SRL materials.

关 键 词：刺激响应发光 荧光启亮 高对比度 多相态 信息深度隐藏 

分 类 号：TB381[一般工业技术—材料科学与工程] TQ628.2[化学工程—精细化工] O621.2[理学—有机化学]