Production of nanoparticles composed of ionic liquid [C4mpyrr][NTf2] and their chemical identification by diameter analysis and X-ray photoelectron spectroscopy

Masaharu Shigeyasu, Haruno Murayama, Hideki Tanaka

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Production of nanoparticles composed of ionic liquid [C4mpyrr][NTf2], N-butyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide, was demonstrated by a gas aggregation technique under low pressure. The diameter spectra were measured by a differential mobility analyzer (DMA) and were dependent on the heating temperature. Photoelectron spectra for the nanoparticles diameter-selected at 10 nm were also measured by X-ray photoelectron spectroscopy (XPS), and their chemical composition and structure were identified by comparison with photoelectron spectra for neat ionic liquid. The form and surface structure of the nanoparticles deposited onto an Au-coated Si substrate were also determined.

Original languageEnglish
Pages (from-to)373-377
Number of pages5
JournalChemical Physics Letters
Volume463
Issue number4-6
DOIs
Publication statusPublished - Oct 1 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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