柔性无机电致发光器件及其在智能纺织品上的应用进展  

Flexible inorganic electroluminescent devices and their application progress in smart textiles

作　　者：朱杰 杨群 陶思轩 周卫冕 崔进 张宁 苏娟 徐丽慧[1] 潘虹 王际平 ZHU Jie;YANG Qun;TAO Sixuan;ZHOU Weimian;CUI Jin;ZHANG Ning;SU Juan;XU Lihui;PAN Hong;WANG Jiping(School of Textiles and Fashion,Shanghai University of Engineering Science,Shanghai 201620,China;Key Laboratory ofTextile Fibers and Products,Ministry of Education,Wuhan Textile University,Wuhan 430200,China;Shanghai Evershine Co.,Ltd.,Shanghai 201600,China)

机构地区：[1]上海工程技术大学纺织服装学院,上海201620 [2]武汉纺织大学纺织纤维及制品教育部重点实验室,武汉430200 [3]上海伊纯实业有限公司,上海201600

出　　处：《丝绸》2024年第8期60-69,共10页Journal of Silk

基　　金：浙江省纱线材料成形与复合加工技术研究重点实验室开放基金项目(MTC-2020-23);武汉纺织大学纺织纤维及制品教育部重点实验室开放课题项目(Fzxw2023003)。

摘　　要：柔性无机电致发光器件具有发光效率高、响应速度快、制备成本低、发光稳定等特点,可以实现柔性显示、智能传感等功能,在智能手机、电子皮肤、智能可穿戴等领域有着广泛的应用前景。而纺织材料的柔性、可穿戴性及成熟的加工技术使其成为柔性电致发光器件的优良载体。柔性无机电致发光器件主要包括硫化锌柔性电致发光器件、钙钛矿基柔性电致发光器件和其他无机发光材料基柔性电致发光器件,其与纺织材料的结合方法主要包括印刷、涂层、层压及编织等。因此,文章从无机电致发光材料出发,对其发展历程、设计思路、制备方法、发光原理及其在纺织品上的应用及存在的问题和面临的挑战进行综述,并对基于电致发光技术的智能可穿戴纺织品应用及发展展开讨论,以更好地推进智能纺织品的发展。Flexible inorganic electroluminescent devices exhibit high luminous efficiency,rapid response,low production costs and stable luminescence.These devices can be employed for flexible displays,intelligent sensing and other functions,making them promising candidates for applications in smartphones,electronic skin and smart wearables.Textile materials,with their flexibility,wearability,and well-established processing techniques,serve as excellent substrates for these flexible electroluminescent devices.In recent years,the structural design of flexible inorganic electroluminescent devices has matured significantly,driving research and development efforts across a wide range of applications,particularly in wearable electronics,displays and bionic robots.Electroluminescence primarily arises when a current passes through a substance,causing it to emit light under a strong electric field.Two main types of electroluminescence exist:injection electroluminescence and intrinsic electroluminescence.In the case of injection electroluminescence(also known as low-field electroluminescence),electrons and holes are directly injected from the electrodes into the crystal.When these charge carriers recombine within the crystal,excess energy is released in the form of light.Intrinsic electroluminescence(or high-field electroluminescence)is akin to an in vivo luminescence effect.In inorganic electroluminescent materials,electrons gain energy and collide with and excite luminescent centers under high electric fields.Consequently,the excited electrons in the luminescent centers transition to lower energy states,emitting light.Currently,the most widely used inorganic electroluminescent materials included zinc sulfide-based compounds and perovskite materials.Zinc sulfide exhibits excellent thermal stability,mechanical strength and high carrier mobility,making it a common choice for thin-film transistors and other electronic devices.Doping zinc sulfide with metal elements(such as copper,aluminum or manganese)allows for the creation of differ

关 键 词：无机电致发光 柔性器件 发光效率 智能纺织品 可穿戴 亮度 

分 类 号：TB381[一般工业技术—材料科学与工程] TS195.5[轻工技术与工程—纺织化学与染整工程]