Observation of Assembly of Fluorescent Si Nanoparticles under the Influence of Electric Current

A. Smith, S. Chaieb, A. Al Aql, M. Alsalhi, M. H. Nayfeh*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A silicon substrate patterned by an oxide is immersed in an alcohol solution of low-doped 1-nm Si nanoparticles. Reverse biasing draws particles to the substrate, mostly along the conducting current paths. Scanning electron and fluorescence microscopy show a tree-like network on the substrate. Avoidance of closed loops and preference for an angle of branching of 90°-120° are observed. The building block of the tree network is not individual particles but spherical particle aggregates ∼150 nm in diameter.

Original languageEnglish (US)
Pages (from-to)471-473
Number of pages3
JournalJournal of Nanoscience and Nanotechnology
Volume2
Issue number5
DOIs
StatePublished - 2002
Externally publishedYes

Keywords

  • Electric Current
  • Fluorescent Silicon Nanoparticles
  • Spectroscopy

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Materials Science (miscellaneous)
  • Engineering (miscellaneous)

Fingerprint

Dive into the research topics of 'Observation of Assembly of Fluorescent Si Nanoparticles under the Influence of Electric Current'. Together they form a unique fingerprint.

Cite this