Alice Kunin
Princeton University · Chemistry
Active 1982–2026
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About
Alice Kunin is an Assistant Professor of Chemistry at Princeton University, specializing in spectroscopy and physical chemistry. Her research focuses on using ultrafast spectroscopy to resolve fundamental light-induced processes in condensed phase systems, aiming to understand how electron, hole, and quasiparticle dynamics at surfaces and interfaces evolve on femtosecond to picosecond timescales. Her work investigates exciton dynamics in two-dimensional quantum materials, charge-transfer processes at organic-inorganic interfaces, and photochemistry of heterogeneous photocatalytic reactions on surfaces. These studies are crucial for advancing optoelectronic devices, photovoltaics, solar cells, and environmental surface science. Kunin's lab develops and applies advanced spectroscopic techniques, including pump-probe spectroscopy and time-and-angle-resolved photoemission spectroscopy (tr-ARPES) with momentum microscopy, to image ultrafast charge carrier dynamics. Her technical approach involves high power frequency comb lasers and nonlinear optical methods, such as high harmonic generation for extreme ultraviolet pulses. Her research aims to address gaps in understanding the fundamental electronic behavior of promising photocatalytic and photovoltaic systems, with the goal of enabling precise control over light-matter interactions in these materials.
Research topics
- Physics
- Particle physics
- Nuclear physics
- Atomic physics
- Materials science
Selected publications
APL Photonics · 2025-01-01 · 7 citations
articleOpen accessRecent breakthroughs in high repetition-rate extreme ultraviolet (XUV) light sources and photoelectron analyzers have led to dramatic advances in the performance of time-resolved photoemission experiments. In this perspective article, we discuss the application of cavity-enhanced high-order harmonic generation, with repetition rates exceeding 10 MHz, to photoemission experiments using advanced endstations incorporating time-of-flight photoelectron analyzers. We discuss recent results, perspectiv…
Nature Communications · 2025-12-11 · 2 citations
articleOpen accessMoiré heterobilayers exhibiting spatially varying exciton localization that can be precisely controlled through the twist angle have emerged as exciting platforms for studying complex quantum phenomena. Here, we study the exciton landscape in MoSe2/WS2 heterobilayers through synergistic first-principles GW plus Bethe Salpeter equation (GW-BSE) calculations and complementary time- and angle-resolved photoemission spectroscopy (tr-ARPES). We find that the MoSe2/WS2 heterobilayer has a type I band…
Momentum-Resolved Exciton Coupling and Valley Polarization Dynamics in Monolayer WS$_2$
arXiv (Cornell University) · 2022-03-04 · 2 citations
preprintOpen access1st authorCorrespondingCoupling between exciton states across the Brillouin zone in monolayer transition metal dichalcogenides can lead to ultrafast valley depolarization. Using time- and angle-resolved photoemission, we present momentum- and energy-resolved measurements of exciton coupling in monolayer WS$_2$. By comparing full 4D ($k_x, k_y, E, t$) data sets after both linearly and circularly polarized excitation, we are able to disentangle intervalley and intravalley exciton coupling dynamics. Recording in the exci…
2024-03-08 · 1 citations
articleSenior authorThe optical and electronic properties of two-dimensional (2D) materials make them attractive for a variety of applications in quantum information processing, solar-energy harvesting, and catalysis. However, the dynamics of electrons, holes, and excitons formed after photo-excitation are often complex and involve many states that are optically dark, making their characterization with optical spectroscopy alone difficult. We present our recent work imaging the quantum states of 2D materials and th…
arXiv (Cornell University) · 2024-10-15 · 1 citations
preprintOpen accessRecent breakthroughs in high repetition-rate extreme ultraviolet (XUV) light sources and photoelectron analyzers have led to dramatic advances in the performance of time-resolved photoemission experiments. In this perspective article, we discuss the application of cavity-enhanced high-order harmonic generation (CE-HHG), with repetition rates exceeding 10 MHz, to photoemission experiments using advanced endstations incorporating time-of-flight photoelectron analyzers. We discuss recent results, p…
Frequent coauthors
- 636 shared
Sw. Banerjee
- 532 shared
A.A. Vorobyov
- 529 shared
W. Lohmann
- 516 shared
J.J. Blaising
Laboratoire d’Annecy de Physique des Particules
- 516 shared
Lyndon Jones
University of Waterloo
- 508 shared
F. Linde
- 489 shared
W.J. Metzger
- 451 shared
K.L. Tung
Labs
Kunin LabPI
Education
- 2019
Ph.D., Chemistry
University of California Berkeley
- 2014
B.S., Chemistry
University of Maryland, College Park
Awards & honors
- DOD National Defense Science and Engineering Graduate Fellow…
- Spectroscopy / Physical Chemistry Alice Kunin named a Beckma…
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