Molecular copper decomposition ink for printable electronics,Chemical Communications

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Molecular copper decomposition ink for printable electronics
Chemical Communications ( IF 4.3 ) Pub Date : 2022-07-27 , DOI: 10.1039/d2cc02940e
Aaron Sheng ₁ , Abdullah Islam ₂ , Saurabh Khuje ₂ , Jian Yu ₃ , Harvey Tsang ₃ , Andres Bujanda ₃ , Shenqiang Ren _{1,

2,

4}

Affiliation

Nanostructured metal materials are the frontrunners of numerous electronic advancements. While realizing such potential, it is indispensable to address their oxidation and stability drawbacks, which are due to their high surface energies. Here, we report printable and air-stable molecular metal ink materials from metal-organic decomposition by using copper ions, including both copper formate and aqueous copper-amine complexes. By complexing copper formate with amines, the decomposition temperature of the printed molecular copper ink can be achieved at 100 °C, while maintaining its electric conductivity. The printed copper conductors exhibit a high electric conductivity of 35 MS m⁻¹ (>50% of bulk copper's electric conductivity at room temperature) and an electromagnetic interference shielding effectiveness of 63 dB. The findings shown here of the molecular decomposition ink are promising for applications in printable electronics.

中文翻译：

用于可印刷电子产品的分子铜分解油墨

纳米结构金属材料是众多电子技术进步的领跑者。在实现这种潜力的同时，解决它们的氧化和稳定性缺陷是必不可少的，这是由于它们的高表面能。在这里，我们通过使用铜离子（包括甲酸铜和水性铜-胺络合物）报告了可印刷和空气稳定的分子金属墨水材料，这些材料通过使用铜离子进行金属有机分解。通过将甲酸铜与胺类络合，印刷分子铜油墨的分解温度可以达到100℃，同时保持其导电性。^{印刷铜导体具有 35 MS m -1}的高电导率（> 50% 的体铜在室温下的电导率）和 63 dB 的电磁干扰屏蔽效果。这里显示的分子分解墨水的发现有望用于可印刷电子产品。

更新日期：2022-07-27

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