Nature has had 2.4 billion years to evolve and engineer excited state dynamics. From photosynthesis to vision to photoenzymes, we examine natural mechanisms to steer excited states. Our goal is to isolate and identify new design principles to control quantum dynamics.
Electronic excited states carry enough energy to make and break chemical bonds. Photochemistry operates outside the Born-Oppenheimer regime -- thereby escaping our standard chemical intuition. We seek new strategies to steer excited states and to control their reactivity.
You can't engineer what you can't see. We build new spectroscopic tools to probe femtosecond dynamics of electronic excitations. In living cells, protein complexes, and small molecules, we capture how these systems evolve with unprecedented depth and specificity.
Congratulations to Sid Sohoni on receiving a Freud Fellowship from the Chemistry Department to support the next year of his studies.
Congratulations to Hugh Cairney and Ainsley Iwanicki on receiving Chemistry Department Research Grants to support their summer research.
Congratulations to Hugh Cairney and Ainsley Iwanicki on receiving Quad Grants to support their summer research.
Congratulations to Jake Higgins, Anna Dardia, Chidera Ndife, Lawson Lloyd, and Elizabeth Bain on having their paper entitled, "Leveraging Dynamical Symmetries in Two-Dimensional Electronic Spectra to Extract Population Transfer Pathways" accepted to Journal of Physical Chemistry A.
Congratulations to Indranil Ghosh on being awarded a Distinguished Leadership & Service Award from UChicagoGrad in recognition of this diligent work while serving as a vice-president on the Grad Council.
Best of luck to Elizabeth Bain as she departs to start her new position at Intel!
J.S. Higgins, A.R. Dardia, C.J. Ndife, L.T. Lloyd, E.M. Bain, and G.S. Engel, "Leveraging Dynamical Symmetries in Two-Dimensional Electronic Spectra to Extract Population Transfer Pathways", JPCA (accepted)
P. Navotnaya,* S. Sohoni,* L.T. Lloyd, S. Abdulhadi, P.-C. Ting, J.S. Higgins, and G.S. Engel, "Annihilation of Excess Excitations along Phycocyanin Rods Precedes Downhill Flow to Allophycocyanin Cores in the Phycobilisome of Synechococcus elongatus PCC 7942", JPCB 126 23–29 2022. * These authors contributed equally
J.S. Higgins,* M.A. Allodi,* L.T. Lloyd, J.P. Otto, S.H. Sohail, R.G. Saer, R.E. Wood, S.C. Massey, P.-C. Ting, R.E. Blankenship, G.S. Engel, "Redox conditions correlated with vibronic coupling modulate quantum beats in photosynthetic pigment-protein complexes", PNAS 118 e2112817118 2021. * These authors contributed equally
J.S. Higgins, W.R. Hollingsworth, L.T. Lloyd, and G.S. Engel, "Quantum Coherence in Chemical and Photobiological Systems", Emerging Trends in Chemical Applications of Lasers, ACS Symposium Series #1398, Edited by M.R. Berman, L. Young, and H.-L. Dai, ACS Books 2021.
M. Onizhuk,* S. Sohoni,* G.A. Galli, and G.S. Engel, "Spatial Patterns of Light-harvesting Antenna Complex Arrangements Tune the Transfer-to-trap Efficiency of Excitons in Purple Bacteria", JPCL 12, 6967−6973 2021 * These authors contributed equally
L.T. Lloyd, R.E. Wood, F. Mujid, S. Sohoni, K.L. Ji, P.-C. Ting, J.S. Higgins, J. Park, and G.S. Engel, "Sub-10 fs Intervalley Exciton Coupling in Monolayer MoS2 Revealed by Helicity-Resolved Two-Dimensional Electronic Spectroscopy", ACS Nano 15 10253–10263 2021.