Paper
9 September 2019 Chemical analysis of air pollutant particulate matters based on surface enhanced Raman spectroscopy (SERS)
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Abstract
Particulate matters (PMs), which are condensed from air pollutants, pose severe health threats in many industrialized countries. Various chemical analyses of the particulate matters are crucial to specify their air pollutant sources and reduce PMs. Here, we report a chemical analysis technique for the PMs based on Surface Enhanced Raman Spectroscopy (SERS). Distinctive Raman spectroscopic signals are detected from PMs whose surface are dispersed with gold nanoparticle aggregates. By exploiting the molecular specific sensitivity of SERS, we distinguish between the PMs according to their sources. To be specific, artificially generated PM materials as a reference are successfully distinguished from soil dusts collected from on-site. This work would pave a way towards identifying the PMs according to their sources and developing an on-site chemical analysis of PMs.
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Jeong Seop Lee, Yun Ahn, Jungwoo Kim, Jongwoo Kim, Sang Hwan Nam, Seong-Cho Yu, Hyeon Ho Shin, Taeyoung Jung, Eun-Ah Kim, Yung Doug Suh, Hyun Woo Kim, and Hyeong-Ryeol Park "Chemical analysis of air pollutant particulate matters based on surface enhanced Raman spectroscopy (SERS)", Proc. SPIE 11082, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVII, 110822A (9 September 2019); https://doi.org/10.1117/12.2529210
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KEYWORDS
Nanoparticles

Gold

Chemical analysis

Surface enhanced Raman spectroscopy

Scattering

Light scattering

Raman spectroscopy

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