Over the past 4 decades, anion photoelectron spectroscopy has been proven to be a powerful tool
for mapping out the ground and low-lying electronic states of a range of exotic and reactive
species that are difficult to characterize by traditional spectroscopic methods. As this technique
has been applied to an ever-growing range of systems with increasing size and electronic
complexity, a body of evidence that suggests the limitations of a one-electron interpretation of
detachment spectra has been building. Drawing from unusual features observed in the anion
photoelectron spectra of atmospherically relevant molecular complexes and metal oxide clusters,
we explore how transitions that cannot be characterized with a simple one-electron framework
can be plumbed to develop a deeper picture of electron-neutral interactions and the electronic
properties of transient states.
Caroline Chick Jarrold received her B.S. in Chemistry at the University of Michigan, Ann Arbor, in
1989, and her Ph.D. in Physical Chemistry from the University of California, Berkeley, in 1994. After
being a University of California President’s Postdoctoral Fellow at UCLA, she joined the Chemistry
faculty at the University of Illinois, Chicago in 1997, and was there until her move to the Indiana
University Chemistry Department in 2002.
Professor Jarrold’s research involves applying a combination of gas-phase reactivity, mass
spectrometry, anion photodetachment spectroscopies, and computational chemistry toward issues
of importance in energy and environment.