High-resolution flexible electronic devices by electrohydrodynamic jet printing:From materials toward applications  

电流体喷印技术制备高分辨率柔性电子器件:从材料到应用

作　　者：Xinran Zheng Mingshuang Hu Yixuan Liu Jun Zhang Xiangxiang Li Ximing Li Hui Yang 郑欣然;胡明爽;刘忆旋;张鋆;李湘湘;李曦铭;杨辉(Tianjin Key Laboratory of Molecular Optoelectronic Science,Department of Chemistry,School of Science,Tianjin University,Tianjin 300072,China;Chest hospital,Tianjin University,Tianjin 300072,China)

机构地区：[1]Tianjin Key Laboratory of Molecular Optoelectronic Science,Department of Chemistry,School of Science,Tianjin University,Tianjin 300072,China [2]Chest hospital,Tianjin University,Tianjin 300072,China

出　　处：《Science China Materials》2022年第8期2089-2109,共21页中国科学（材料科学（英文版）

基　　金：supported by the Ministry of Science and Technology of China(2018YFA0703200);the National Natural Science Foundation of China(51973154);the Natural Science Foundation of Tianjin(20JCZDJC00680)。

摘　　要：High-resolution flexible electronic devices are widely used in the fields of soft robotics,smart human-machine interaction,and intelligent e-healthcare monitoring due to their mechanical flexibility,ductility,and compactness.The electrohydrodynamic jet printing(e-jet printing)technique is used for constructing high-resolution and cross-scale flexible electronic devices such as field-effect transistors(FETs),flexible sensors,and flexible displays.As a result,researchers are paying close attention to e-jet printing flexible electronic devices.In this review,we focused on the latest advancements in high-resolution flexible electronics made by e-jet printing technology,including various materials used in e-jet printing inks,the process control of e-jet printing,and their applications.First,we summarized various functional ink materials available for e-jet printing,including organic,inorganic,and hybrid materials.Then,the interface controlling the progress of e-jet printing was discussed in detail,including the physical and chemical properties of the functional ink,the interfacial wettability between the ink and substrate,and the microdroplet injection behavior in a high-voltage field.Additionally,various applications of e-jet printing in the fields of flexible electrodes,FETs,flexible sensors,and flexible displays were demonstrated.Finally,the future problems and potential associated with the development of next generation e-jet printing technology for flexible electronic devices were also presented.高分辨率柔性电子器件因其具有优异的本征柔性、可延展性和微型化等优点,被广泛地应用于软体机器人、智能人机交互和人体健康监测等领域.电流体动力喷射印刷(电喷印)技术作为一种变革性技术,可以实现柔性场效应晶体管、柔性传感器和柔性显示等柔性电子器件的高分辨率和跨尺度制造.因此,通过电喷印技术制备高分辨率柔性电子器件引起了国内外研究人员的广泛关注.本综述重点介绍了电喷印技术在高分辨率柔性电子制造领域的最新研究进展,其中包括制备电喷印油墨的各种功能材料、在电喷印刷过程中的界面调控及其应用.首先,我们总结了用于电喷印技术的各种功能性墨水材料,包括有机材料、无机材料和杂化材料等.然后,详细介绍了影响电喷印过程中界面调控的主要因素,如功能墨水的物理和化学性质、墨水与基底之间的界面润湿性以及高压场中的微滴喷射行为等.此外,还总结了电喷印技术在柔性电极、柔性场效应晶体管、柔性传感器和柔性显示等领域的应用前景.最后,讨论了电喷印技术在下一代柔性电子设备应用中面临的机遇和挑战.

关 键 词：electrohydrodynamic jet printing flexible electronic devices HIGH-RESOLUTION 

分 类 号：TN03[电子电信—物理电子学] TQ638[化学工程—精细化工]