喷墨印刷技术是一种新型高效的绿色环保生产技术。其中,导电喷墨墨水由于应用前景广阔,一直受到科研工作者的关注。导电喷墨墨水包括金属喷墨墨水和石墨烯喷墨墨水。综述了导电喷墨墨水中银包裹铜(Cu@Ag)喷墨墨水、低温烧结纳米银喷墨墨水以及新型石墨烯喷墨墨水的研究进展,3种喷墨墨水最低电阻率分别为1.134×10-7Ω·m、3.84×10-8Ω·m、1.9×10-7Ω·m,为块状金属银电阻率的7倍、2.4倍、12倍,具有优异的导电性。同时,还介绍了导电喷墨墨水在探测器、锂离子电池、超级电容器等方面的应用,指出了目前仍存在的问题,并对其发展前景进行了展望。随着柔性线路板应用范围越来越广,导电喷墨墨水的应用将具有广阔的发展空间。
Inkjet printing is a novel,environmental friendly and efficient technology and inkjet conductive ink has been focused by science researchers because of its wide application prospects.Inkjet metal ink and inkjet graphene ink are two kinds of inkjet conductive ink.The new research about silver-coated copper (Cu@Ag) nanoparticles ink,nanosilver ink by low temperature sintering and novel graphene ink were expounded.The lowest resistivity of as-prepared three inks were 1.134×10-7Ω·m,3.84×10-8Ω·m and 1.9×10-7Ω·m respectively,just 7 times,2.4 times and 12 times of bulk silver,presenting the excellent conductivity.Besides,their application in the field of detectors,lithium ion batteries and supercapacitors were listed.Moreover,the drawbacks and the development of the present conductive ink were pointed out.Due to the development and popularization of flexible circuit board,conductive ink as a kind of extremely suitable ink for flexible circuit board will be widely used in the future.
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