Center for Molecular Spectroscopy and Dynamics

IBS CMSD Seminar

Dr. Bong Gyu Jeong

September 24(Tue) - September 24(Tue), 2024

16:00~17:00

ABSTRACT

Gas phase systems, including studies on clusters and radicals, have gained increasing importance due to their relevance in fields such as environmental science, astronomy, and molecular dynamics. The gas phase offers a key advantage: the ability to isolate and focus on individual systems. Physical chemists, in particular, have concentrated on bond-selective dissociation in the gas phase, a central goal in chemistry. Extensive research has been conducted on branching ratios in molecular dissociation [1,2]. Among the many molecular systems, molecular clusters hold unique significance as they bridge the gap between gaseous and condensed phases [3,4], contribute to aerosol formation [5–7], and exhibit biological relevance [8,9]. Recent studies have focused on hydrogen-bonded clusters containing aromatic rings and solvent molecules [10–12], especially aniline derivatives, due to their distinct properties arising from hydrogen-bonding motifs [13,14].

In this seminar, I will discuss three key areas of my research. First, I will focus on photodissociation dynamics and quantum chemistry to analyze molecular structures. Second, I will explore the branching ratios in photodissociation, using both experimental data and a newly developed method for more precise analysis. Lastly, I will introduce a method for the accurate measurement of greenhouse gases, highlighting its significance in environmental research.