TEM analysis of volatile nanoparticles from particle trap equipped diesel and direct-injection spark-ignition vehicles

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Author(s) Mathis, Urs, Kaegi, Ralf, Mohr, Martin E., Zenobi, Renato
Publication Type Journal Items, Publication Status: Published
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Title TEM analysis of volatile nanoparticles from particle trap equipped diesel and direct-injection spark-ignition vehicles
Author(s) Mathis, Urs
Kaegi, Ralf
Mohr, Martin E.
Zenobi, Renato
Journal or Series Title Atmospheric environment
Volume Number 38
Issue Number 26
Start Page 4374
End Page 4355
ISSN 1352-2310
0004-6981
Publisher Elsevier
Publication Place Amsterdam
Publication Date 2004-08
Keyword(s) Nucleation
Microscopy
Exhaust
Traffic
Soot
Abstract We investigated volatile nanoparticles emitted from two light-duty vehicles using a transmission electron microscope (TEM). Elemental analysis was performed with an energy dispersive system (EDS) attached to the microscope. Differences in stability of volatile nanoparticles during TEM analysis indicated two different chemical compounds. The results are consistent with the thesis that volatile nanoparticles are composed of a more volatile hydrophilic and a less volatile hydrophobic part. Sulfur and potassium were detected in volatile nanoparticles. These elements are likely to play an important role in the formation of volatile nanoparticles. Particle number size distributions derived from a scanning mobility particle sizer (SMPS) and from TEM image analysis were in good agreement.
DOI 10.1016/j.atmosenv.2004.04.016
Additional Notes Received 19 December 2003, Revised 2 April 2004, Accepted 20 April 2004, Available online 9 July 2004
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03430
Organisational Unit(s)
NEBIS System Number 002060155
Source Database ID PP-9439
SCOPUS-3142610903
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@article{Mths2004,
  author = "Mathis, Urs and Kaegi, Ralf and Mohr, Martin E. and Zenobi, Renato",
  title = "{T}{E}{M} analysis of volatile nanoparticles from particle trap equipped diesel and direct-injection spark-ignition vehicles",
  journal = "Atmospheric environment",
  year = 2004,
  volume = "38",
  number = "26",
  pages = "4374--4355",
  month = aug,
}


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