Metal-organic framework template-guided electrochemical lithography on substrates for SERS sensing applications

Youyou Lu, Xuan Zhang, Liyan Zhao, Hong Liu, Mi Yan, Xiaochen Zhang, Kenji Mochizuki () and Shikuan Yang ()
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Youyou Lu: The First Affiliated Hospital, Zhejiang University School of Medicine
Xuan Zhang: Zhejiang University
Liyan Zhao: School of Materials Science and Engineering, Zhejiang University
Hong Liu: School of Materials Science and Engineering, Zhejiang University
Mi Yan: School of Materials Science and Engineering, Zhejiang University
Xiaochen Zhang: The First Affiliated Hospital, Zhejiang University School of Medicine
Kenji Mochizuki: Zhejiang University
Shikuan Yang: The First Affiliated Hospital, Zhejiang University School of Medicine

Nature Communications, 2023, vol. 14, issue 1, 1-12

Abstract: Abstract The templating method holds great promise for fabricating surface nanopatterns. To enhance the manufacturing capabilities of complex surface nanopatterns, it is important to explore new modes of the templates beyond their conventional masking and molding modes. Here, we employed the metal-organic framework (MOF) microparticles assembled monolayer films as templates for metal electrodeposition and revealed a previously unidentified guiding growth mode enabling the precise growth of metallic films exclusively underneath the MOF microparticles. The guiding growth mode was induced by the fast ion transportation within the nanochannels of the MOF templates. The MOF template could be repeatedly used, allowing for the creation of identical metallic surface nanopatterns for multiple times on different substrates. The MOF template-guided electrochemical growth mode provided a robust route towards cost-effective fabrication of complex metallic surface nanopatterns with promising applications in metamaterials, plasmonics, and surface-enhanced Raman spectroscopy (SERS) sensing fields.

Date: 2023
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DOI: 10.1038/s41467-023-41563-5

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