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

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

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)4667-4677
Number of pages11
JournalACS Applied Materials and Interfaces
Volume11
Issue number4
DOIs
Publication statusPublished - 2019 Jan 30

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Nanoparticles
Geometry
Polydimethylsiloxane
Raman scattering
Optical properties
Fabrication
Composite materials

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Hung, Tzu Yi ; Liu, Jessica An Chieh ; Lee, Wen Hsiu ; Li, Jie Ren. / Hierarchical Nanoparticle Assemblies Formed via One-Step Catalytic Stamp Pattern Transfer. In: ACS Applied Materials and Interfaces. 2019 ; Vol. 11, No. 4. pp. 4667-4677.
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Hierarchical Nanoparticle Assemblies Formed via One-Step Catalytic Stamp Pattern Transfer. / Hung, Tzu Yi; Liu, Jessica An Chieh; Lee, Wen Hsiu; Li, Jie Ren.

In: ACS Applied Materials and Interfaces, Vol. 11, No. 4, 30.01.2019, p. 4667-4677.

Research output: Contribution to journalArticle

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