刘嘉铭,王琪,高智勇.复合碳纳米导电油墨在压触式印刷电子器件中的应用[J].包装工程,2024,45(19):153-163.
LIU Jiaming,WANG Qi,GAO Zhiyong.Preparation of Carbon Nanocomposite Conductive Ink for Pressure-contact Printed Electronics Applications[J].Packaging Engineering,2024,45(19):153-163.
复合碳纳米导电油墨在压触式印刷电子器件中的应用
Preparation of Carbon Nanocomposite Conductive Ink for Pressure-contact Printed Electronics Applications
投稿时间:2024-07-11  
DOI:10.19554/j.cnki.1001-3563.2024.19.015
中文关键词:  碳系导电油墨  印刷电子  纸基电路  交互
英文关键词:carbon-based conductive inks  printed electronics  paper-based circuits  interaction
基金项目:教育部中华优秀传统文化传承基地(汉绣)年度开放课题(HXJD2022B02);湖北文化创意产业化设计研究中心年度开放基金重点项目(HBCY2101);湖北省非物质文化遗产研究中心(湖北美术学院)年度基金项目(FY-2021-15)
作者单位
刘嘉铭 武汉大学,武汉 430079 
王琪 武汉大学城市设计学院,武汉 430072 
高智勇 武汉大学城市设计学院,武汉 430072;武汉大学城市设计学院数字文化与创意产业研究所,武汉 430072 
AuthorInstitution
LIU Jiaming Wuhan University, Wuhan 430079, China 
WANG Qi School of Urban Design, Wuhan University, Wuhan 430072, China 
GAO Zhiyong School of Urban Design, Wuhan University, Wuhan 430072, China;Institute of Digital Culture and Creative Industry, School of Urban Design, Wuhan University, Wuhan 430072, China 
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中文摘要:
      目的 为解决单一填料导电油墨导电性差、成本高和应用范围窄的问题,混合碳纳米管、石墨和炭黑制备复合碳纳米导电油墨。将该油墨应用于压触式印刷电子器件开发,研究其在印刷电子器件中的应用效能。方法 探究复合填料的质量分数配比与研磨时间对油墨方阻的影响,通过对比实验确定油墨优选配方。基于优选油墨提出一种可实现多点位识别的压触式电子器件架构及交互模式。完成压触点位识别功能的软硬件设计,结合丝网印刷工艺制造纸基编码电路,测试该油墨在纸基电路上的表面状态和导电性,评估器件识别准确率与稳定性。结果 当碳纳米管、石墨和炭黑的质量分数分别为4.1%、3.0%和10.2%时,油墨方阻达到29 Ω/sq,纸基电路电阻范围是4.02~12.95 kΩ。该器件能满足单击、双击的压触需求,可实现对单一点位和组合点位100%的识别准确率,在1 000次压力加载—卸载后能稳定工作。结论 复合碳纳米油墨弥补了单一填料油墨的不足,有效提升了油墨的导电性。采用该油墨研制的压触式印刷电子器件能实现对不同点位和模式压触信号的精准识别与正确语音交互。
英文摘要:
      The work aims to solve the problems of poor conductivity, high cost and narrow application range of single filler conductive ink, and prepare composite carbon nanocomposite conductive ink by mixing carbon nanotubes, graphite and carbon black, and apply the ink to the development of press-touch printed electronic devices, and study its application efficiency in printed electronics. The influence of mass fraction ratio and grinding time of composite fillers on the sheet resistance of ink was investigated, and the optimal formula of ink was determined by comparative experiment.Based on the preferred ink, an architecture and interaction mode of press-touch electronic device which could realize multi-point recognition was presented.The hardware and software design of the press contact recognition function was designed, and paper-based coding circuit was manufactured combined with screen printing technology, to test the surface state and conductivity of the ink on the paper-based circuit, as well as the recognition accuracy and stability of the device.When the mass fraction of carbon nanotubes, graphite and carbon black was 4.1%, 3.0% and 10.2%, respectively, the sheet resistance of the ink reached 29 Ω/sq, and the resistance range of the paper-based circuit was 4.02~12.95 kΩ.The device could meet the pressure contact requirements of single click and double click, and can achieve 100% recognition accuracy of single point and combined point, and could work stably after 1 000 times of pressure loading and unloading.The preparation of carbon nanocomposite conductive ink makes up for the deficiency of the single filler ink and effectively improves the electrical conductivity of the ink. The press-touch printed electronic device developed with the ink can realize accurate recognition and correct voice interaction of different point and mode press-touch signals.
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