纺织学报 ›› 2022, Vol. 43 ›› Issue (12): 102-108.doi: 10.13475/j.fzxb.20211002307

• 染整与化学品 • 上一篇    下一篇

基于锦纶滤膜喷墨印花制备镓-铟合金液态金属电路

赵智伟1,2, 王子希1,2, 杨世玉3, 胡毅1,2()   

  1. 1.浙江理工大学 先进纺织材料与制备技术教育部重点实验室, 浙江 杭州 310018
    2.浙江理工大学 生态染整技术教育部工程研究中心, 浙江 杭州 310018
    3.浙江技立新材料股份有限公司, 浙江 绍兴 312030
  • 收稿日期:2021-10-13 修回日期:2022-04-07 出版日期:2022-12-15 发布日期:2023-01-06
  • 通讯作者: 胡毅
  • 作者简介:赵智伟(1998—),男。主要研究方向为电子墨水的研发与喷墨打印制备纺织品基柔性储能器件。
  • 基金资助:
    浙江省自然科学基金项目(LY17E030008);浙江省自然科学基金项目(LY12E03005);浙江省自然科学基金项目(LY21E030023);浙江理工大学基本科研业务费专项资金资助项目(2020Y001);绍兴市柯桥区科技攻关项目(2021JBGS304)

Ink-jet printed circuit of gallium-indium alloy liquid metal based on polyamide film

ZHAO Zhiwei1,2, WANG Zixi1,2, YANG Shiyu3, HU Yi1,2()   

  1. 1. Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
    2. Engineering Research Center for Eco-Dyeing and Finishing of Textiles,Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
    3. Zhejiang Technology Lixin Materials Co., Ltd., Shaoxing, Zhejiang 312030, China
  • Received:2021-10-13 Revised:2022-04-07 Published:2022-12-15 Online:2023-01-06
  • Contact: HU Yi

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摘要：

针对因镓-铟合金(EGaIn)液态金属(LM)具有极大的表面张力导致难以润湿基底的问题,筛选出合适的表面活性剂并利用探头超声波得到稳定的EGaIn电子墨水。利用扫描电子显微镜、透射电子显微镜、X射线光电子能谱、傅里叶红外光谱仪、X射线能量色散谱表征液态金属纳米微球的微观形貌和表面元素分布,优化得到最佳制备工艺;并通过喷墨打印在锦纶滤膜基底上成功制备图案化导电电路测试其导电性能。结果表明:用聚乙烯吡咯烷酮(PVP)作为表面活性剂,当其添加量为200 mg,超声波处理时间大于30 min时,电子墨水展现出优异的分散稳定性;当打印次数大于6,烧结后的图案化电路电阻低于150 Ω,可成功点亮发光二极管。

关键词: 喷墨印花, 液态金属, 电子墨水, 导电电路, 柔性电子, 锦纶滤膜

Abstract:

In order to solve the problem that it is difficult to wet the substrate due to great surface tension of gallium-indium alloy(EGaIn) liquid metal (LM), a suitable surfactant was selected and a stable EGaIn electronic ink was fabricated by the probe ultrasonic method. The micro-morphology and surface element distribution of liquid metal nanospheres were characterized by scanning electron microscope, transmission electron microscope, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy (FT-IR) and X-ray energy dispersion spectroscopy, and the best preparation process was optimized. The patterned conductive circuit was successfully prepared on the polyamide filter film by ink-jet printing to test its electrical conductivity. The results show that when polyvinylpyrrolidone (PVP) is used as surfactant, PVP is added to 200 mg, ultrasonic time is longer than 30 min, the electronic ink shows excellent dispersion stability. The resistance of the patterned circuit after sintering reached lower than 150 Ω after printing more than 6 times, and a LED was lit successfully.

Key words: ink-jet printed, liquid metal, electronic ink, conductive circuit, flexible electronic, polyamide filter film

中图分类号: 

  • TS101.8

图1

添加不同表面活性剂墨水室温静置1 d稳定性实物图"

图2

恒定剪切速率下不同PVP添加量打印油墨黏度变化图"

图3

不同超声波处理时间平均粒径分布图"

图4

PVP与LM墨水傅里叶红外光谱"

图5

EGaIn微球TEM照片"

图6

LM墨水XPS谱图"

图7

打印图案的SEM照片(×10 000)及Ga元素分布照片"

图8

机械烧结前后图案SEM照片(×10 000)及实物照片"

图9

不同打印次数下EGaIn微球的SEM照片(×3 000)"

图10

不同打印次数烧结后导电电路电阻测试图"

图11

不同形状喷墨打印导电电路实物应用图"

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