A rapid prototyping approach to ag nanoparticle fabrication in the 10-100 nm range

Wei Ssu Liao, Tinglu Yang, Edward T. Castellana, Sho Kataoka, Paul S. Cremer

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

A method for the rapid prototyping of metal particles onto thin films on Pyrex substrates by using UV illumination was demonstrated. A TiO2 precursor was deposited onto the surface of a Pyrex slide, a circular nanoporous alumna filtration membrane was placed on it and the system was dried under ambient conditions. The TiO2 film formed spontaneously on the Pyrex and its presence was directly verified using X-ray photoelectron spectroscopy (XPS). The alumna membrane was left in place on the Pyrex substrate when forming a silver nanoparticle array and AgNO3 aqueous solution was introduced dropwise above it. Atomic Force Microscopy (AFM) was performed to access the size, shape, and density of the Ag nanoparticles. The AFM data were employed to assemble histograms from the arrays to determine information about the particle size distribution. Results showed that the particle arrays were highly uniform over-large regions of the Pyrex sample.

Original languageEnglish (US)
Pages (from-to)2240-2243
Number of pages4
JournalAdvanced Materials
Volume18
Issue number17
DOIs
StatePublished - Sep 5 2006

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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