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納米銀導(dǎo)電墨水的制備及其在高精度柔性電路打印中的應(yīng)用研究
作者:
作者單位:

西北大學(xué)

作者簡介:

通訊作者:

中圖分類號:

TG17

基金項(xiàng)目:

陜西省科技廳項(xiàng)目資助(項(xiàng)目號2022GY-384；2022-LL-JBGS-07；)


Preparation of nano-silver conductive ink and its application in high-precision flexible circuit printing
Author:
Affiliation:

Northwest University,Xi’an

Fund Project:

the Industrial S&T Project of Shannxi province (No.2022GY-384；No.2022-LL-JBGS-07；)

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    摘要:

    分別以銀納米顆粒和銀納米線為導(dǎo)電組份,以BYK-333為表面助劑,以乙二醇為溶劑制備出兩類噴墨打印型導(dǎo)電墨水,采用MICROPLTTER Ⅱ型微納米沉積系統(tǒng)在柔性透明基底上打印了導(dǎo)電線路,研究了打印工藝、熱燒結(jié)固化、封裝等對兩種打印電路的導(dǎo)電性、耐候性和擾度等性能的影響。結(jié)果表明,打印機(jī)噴頭口徑和墨水與基底接觸角是決定導(dǎo)電電路線寬精度的關(guān)鍵因素,熱燒結(jié)處理可以提高銀納米顆粒柔性電路的導(dǎo)電性,在160℃燒結(jié)30 min時,電阻率下降到16.4 μΩ.cm,在空氣中放置90天后保持導(dǎo)電性能不變,1000次彎折后電阻率上升12.4%；隨著打印次數(shù)增加,銀納米線打印電路的導(dǎo)電性不斷增加,打印9次得到的打印直線單位電阻為88.9 Ω/cm,而隨著燒結(jié)溫度和時間的增加電路導(dǎo)電性下降,PDMS封裝可以極大地提高打印電路的穩(wěn)定性,在空氣中放置90天并彎折1000次后導(dǎo)電性能保持不變,表明基于銀納米材料導(dǎo)電墨水及微納米沉積系統(tǒng)可以實(shí)現(xiàn)高性能和高精度柔性電路的穩(wěn)定打印。

    Abstract:

    Two kinds of ink-jet printing conductive inks were prepared with silver nanoparticles and silver nanowires as conductive components, byk-333 as surface additive and ethylene glycol as solvent respectively. The conductive lines were printed on the flexible transparent substrate by micropltter II micro nano deposition system. The effects of printing process, thermal sintering curing and packaging on the conductivity, weather resistance and interference of the two printing circuits were studied. The results show that the diameter of printer nozzle and the contact angle between ink and substrate are the key factors to determine the linewidth accuracy of conductive circuit. Thermal sintering treatment can improve the conductivity of silver nanoparticle flexible circuit. When sintered at 160 ℃ for 30 minutes, the resistivity decreases to 16.4 μ Ω. cm, keep the conductivity unchanged after being placed in the air for 90 days, and the resistivity increases by 12.4% after 1000 bends; With the increase of printing times, the conductivity of the silver nanowire printing circuit continues to increase. The unit resistance of the printing line obtained by printing 9 times is 88.9 Ω /cm. With the increase of sintering temperature and time, the conductivity of the circuit decreases. PDMS packaging can greatly improve the stability of the printing circuit. After being placed in the air for 90 days and bent for 1000 times, the conductivity remains unchanged, It shows that conductive ink based on silver nano materials and micro nano deposition system can achieve stable printing of high-performance and high-precision flexible circuits.

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丁澤宇,羅書軒,吳雅茜,何瑞博,徐世杰,景鑫,張文彥.納米銀導(dǎo)電墨水的制備及其在高精度柔性電路打印中的應(yīng)用研究[J].稀有金屬材料與工程,2023,52(10):3530~3538.[Ding Zeyu, Lu Shuxuan, Wu Yaxi, He Ruibo, Ding Zeyu, Jing Xin, Zhang Wenyan. Preparation of nano-silver conductive ink and its application in high-precision flexible circuit printing[J]. Rare Metal Materials and Engineering,2023,52(10):3530~3538.]
DOI：10.12442/j. issn.1002-185X.20220600

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歷史
  • 收稿日期:2022-07-19
  • 最后修改日期:2023-10-17
  • 錄用日期:2022-11-30
  • 在線發(fā)布日期: 2023-10-27
  • 出版日期: 2023-10-24