Surface-Enhanced Raman Spectroscopy: A Facile and Rapid Method for the Chemical Component Study of Individual Atmospheric Aerosol

Environmental Science & Technology
Yu FuJianmin Chen

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.

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Citations

Aug 21, 2018·Environmental Science. Processes & Impacts·Peter N TirellaAndrew P Ault
Mar 12, 2020·Luminescence : the Journal of Biological and Chemical Luminescence·Ji SunMeikun Fan
Jun 27, 2018·Proceedings of the National Academy of Sciences of the United States of America·Haoran WeiPeter J Vikesland
May 12, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Lei LinYong He
Jul 14, 2019·Nanoscale Research Letters·Robin R JonesVentsislav K Valev
Aug 6, 2018·The Science of the Total Environment·Zhenli SunLidan Zhu
Jun 1, 2021·ACS Omega·Vasanthi Sivaprakasam, Matthew B Hart
Oct 24, 2020·Environmental Science & Technology·Guanjun XuLiwu Zhang

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