Surface-Enhanced Raman Spectroscopy

A Facile and Rapid Method for the Chemical Component Study of Individual Atmospheric Aerosol

Yu Fu, Christian Kuppe, Ventsislav K. Valev, Hongbo Fu, Liwu Zhang, Jianmin Chen

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

A simple and rapid method for detecting chemical components of individual aerosol particles on Klarite substrate with surface-enhanced Raman spectroscopy (SERS) is described. For both single simulated aerosol particles and ambient atmospheric particles, this new analytical method promotes the enhancement factor of the Raman signal. The spectra of ammonium sulfate and naphthalene particles at the microscopic level are enhanced by a factor of 6 and therefore greatly improve the detection of the chemical composition of an individual aerosol particle. When aerosol particles are found over a microscopic domain, a set of Raman spectra with chemical information can be obtained via SERS mapping. The maps illustrate the distribution of organic or inorganic species on the SERS substrate. This constitutes a facile and rapid method to study aerosol particles. This new method allows the analysis of chemical composition in single aerosol particles, demonstrating the power of SERS to probe the ambient atmospheric particles and to study the formation of aerosol particles.

Original languageEnglish
Pages (from-to)6260-6267
Number of pages8
JournalEnvironmental Science and Technology
Volume51
Issue number11
DOIs
Publication statusPublished - 6 Jun 2017

Fingerprint

Atmospheric aerosols
Raman spectroscopy
Aerosols
aerosol
atmospheric particle
chemical composition
substrate
Ammonium Sulfate
Substrates
ammonium sulfate
naphthalene
chemical
method
Chemical analysis
Raman scattering
analytical method
probe

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry

Cite this

Surface-Enhanced Raman Spectroscopy : A Facile and Rapid Method for the Chemical Component Study of Individual Atmospheric Aerosol. / Fu, Yu; Kuppe, Christian; Valev, Ventsislav K.; Fu, Hongbo; Zhang, Liwu; Chen, Jianmin.

In: Environmental Science and Technology, Vol. 51, No. 11, 06.06.2017, p. 6260-6267.

Research output: Contribution to journalArticle

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