Electrospinning of PAH nanofiber and deposition of Au NPs for nanodevice fabrication

Subrata Kundu, Rajinder S. Gill, Ravi F Saraf

Research output: Contribution to journalArticle

23 Scopus citations

Abstract

A new route for the formation of electrically conductive Au-PAH composite nanofibers using electrospinning and UV-irradiation techniques is being reported. Initially, we fabricated nonwoven PAH nanofibers (diameter ∼100-150 nm) using electrospinning technique. The Au nanoparticles (NPs) were synthesized and deposited in situ onto the PAH fiber in the presence of 2 h of UV photoirradiation. The diameter of these fibers and deposition of Au NPs can be tuned just by controlling the physical parameters, concentration of polymeric solution during electrospinning, the concentration of HAuCl 4 solution, and UV photoirradiation exposure time. The Au-PAH composite-based nanoelectronic device resulted in an Ohmic behavior with low resistance, confirming a continuous metallic structure. The proposed method is efficient, straightforward, reproducible, and robust. These conductive Au-PAH nanofibers can be applied for making building blocks in nanodevices and as a sensor in sensor technology.

Original languageEnglish (US)
Pages (from-to)15845-15852
Number of pages8
JournalJournal of Physical Chemistry C
Volume115
Issue number32
DOIs
Publication statusPublished - Aug 18 2011

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

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