Hierarchical Nanoparticle Assemblies Formed via One-Step Catalytic Stamp Pattern Transfer

Tzu Yi Hung, Jessica An Chieh Liu, Wen Hsiu Lee, Jie Ren Li

研究成果: Article同行評審

3 引文 斯高帕斯(Scopus)

摘要

The one-step catalytic stamp pattern transfer process is described for producing arrays of hierarchical nanoparticle assemblies. The method simply combines in situ nanoparticle synthesis triggered by free residual Si-H groups on PDMS stamps and the lift-off pattern transfer technique. No additional nanoparticle synthesis procedure is required before the pattern transfer process. Exquisitely uniform and precisely spaced hierarchical nanoparticle assemblies with designed geometry can be rapidly produced using the catalytic stamp pattern transfer process. Sequential catalytic stamp pattern transfer also is described to generate multilayered, hierarchical nanoparticle assemblies with various geometries. The hierarchical nanoparticle assemblies catalytically transferred onto the surface are not just nanoparticles but nanoparticle-polydimethylsiloxane residue composites. The in situ-synthesized nanoparticles retain optical properties. The hierarchical nanoparticle assemblies with precisely controlled geometry further show potential in the application of surface-enhanced Raman scattering. The capability of one-step catalytic stamp pattern transfer allows the scalable and reproducible fabrication of well-defined hierarchical nanoparticle assemblies.

原文English
頁(從 - 到)4667-4677
頁數11
期刊ACS Applied Materials and Interfaces
11
發行號4
DOIs
出版狀態Published - 2019 一月 30

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

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