• 11176 Citations
1985 …2020
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Personal profile

Research Interests

Our research goal is to establish relationships of energetics, dynamics and structures in photochemical and photophysical processes on different temporal and spatial scales. We are interested in reactions  related to solar energy conversion, catalysis, molecular devices and enzymatic processes. Using a variety of experimental techniques, such as ultrafast optical and X-ray spectroscopy/scattering, as well as theoretical calculations, we seek fundamental understanding of photon/matter interactions in order to minimize the driving force and optimize the output of photochemical reactions. The results from our research provide feedbacks/guidance to materials design and synthesis.

Education/Academic qualification

Physical Chemistry, PhD, University of Chicago

… → 1987

Chemistry, BS, Peking University

… → 1982

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Excited states Chemical Compounds
Polymers Chemical Compounds
Charge transfer Chemical Compounds
X rays Chemical Compounds
Absorption spectroscopy Chemical Compounds
Metals Chemical Compounds
Ligands Chemical Compounds
x rays Physics & Astronomy

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Grants 2007 2020

Appointments and Schedules
Joints
students
nanoparticles
energy
manipulators
nanocrystals
Optical anisotropy
Photochemical reactions
Coordination Complexes
Excited states
Dimers
Conformations
Proteins
Metals
X rays
Ligands

Research Output 1985 2019

Investigation of the photoinduced axial ligation process in the excited state of nickel(II) phthalocyanine

Hong, J., Fauvell, T. J., Helweh, W., Zhang, X. & Chen, L. X., Mar 1 2019, In : Journal of Photochemistry and Photobiology A: Chemistry. 372, p. 270-278 9 p.

Research output: Contribution to journalArticle

Nickel
Excited states
Pyridine
Ground state
pyridines
1 Citation (Scopus)

Photoinduced, reversible phase transitions in all-inorganic perovskite nanocrystals

Kirschner, M. S., Diroll, B. T., Guo, P., Harvey, S. M., Helweh, W., Flanders, N. C., Brumberg, A., Watkins, N. E., Leonard, A. A., Evans, A. M., Wasielewski, M. R., Dichtel, W., Zhang, X., Chen, L. X. & Schaller, R. D., Dec 1 2019, In : Nature communications. 10, 1, 504.

Research output: Contribution to journalArticle

Phase Transition
Nanoparticles
Nanocrystals
nanocrystals
Phase transitions

Revealing Fast Structural Dynamics in pH-Responsive Peptides with Time-Resolved X-ray Scattering

Rimmerman, D., Leshchev, D., Hsu, D. J., Hong, J., Abraham, B., Henning, R., Kosheleva, I. & Chen, L. X., Mar 7 2019, In : Journal of Physical Chemistry B. 123, 9, p. 2016-2021 6 p.

Research output: Contribution to journalArticle

dynamic structural analysis
Protonation
Structural dynamics
Biocompatible Materials
X ray scattering

We Editors Are Authors, Too

Chen, L. X., Christopher, P., De Angelis, F., Jin, S., Hu, Y. S., Park, N. G., Sarma, D. D., Sun, Y. K. & Kamat, P. V., Jan 11 2019, In : ACS Energy Letters. 4, 1, p. 249-250 2 p.

Research output: Contribution to journalEditorial

1 Citation (Scopus)

Beyond PCE: Looking at a Big Picture in Photovoltaic Research

Chen, L. X., Aug 10 2018, In : ACS Energy Letters. 3, 8, p. 1967-1968 2 p.

Research output: Contribution to journalEditorial