Study of single airborne particle using laser-trapped submicron position-resolved temporal Raman spectroscopy

Aimable Kalume, Chuji Wang, Joshua Santarpia, Yong Le Pan

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Study of various molecules located in different positions and of their temporal reactions within a microsized particle in its natural phase is essential to deeper understanding the functions of these molecules. Here, we measured the temporal Raman spectra in different submicron positions of a laser-trapped droplet composed of diethyl phthalate and glycerol. Results demonstrated the micro-cavity enhanced effects, the morphology change, dynamics of phase-separation, and evaporation of the mixed droplet. This method offers a powerful tool to monitor various chemical reactions in different positions within a single cell, spore, or particle in life science and atmospheric science.

Original languageEnglish (US)
Pages (from-to)255-260
Number of pages6
JournalChemical Physics Letters
Volume706
DOIs
StatePublished - Aug 16 2018

ASJC Scopus subject areas

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

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