Ultrafast Jahn‐Teller Photoswitching in Cobalt Single‐Ion Magnets

SE Canton, M Biednov, M Pápai, FA Lima… - Advanced …, 2023 - Wiley Online Library
Single‐ion magnets (SIMs) constitute the ultimate size limit in the quest for miniaturizing
magnetic materials. Several bottlenecks currently hindering breakthroughs in quantum …

Design of the smallest intramolecular singlet fission chromophore with the fastest singlet fission

E Pradhan, T Zeng - The Journal of Physical Chemistry Letters, 2022 - ACS Publications
We designed an intramolecular singlet fission (iSF) chromophore, pyrazino [2, 3-g]
quinoxaline-1, 4, 6, 9-tetraoxide. Appropriate substitutions into anthracene enhance the …

The Unified Hamiltonian Formalism of Spin–Orbit Jahn–Teller and Pseudo-Jahn–Teller Problems in All Axial Symmetries

E Pradhan, T Zeng - Journal of Chemical Theory and …, 2023 - ACS Publications
Spatial degeneracy of electronic states closely connects spin–orbit coupling and vibronic
coupling, which together determine properties of materials, especially heavy element …

Dicarbonyl anthracenes and phenanthrenes as singlet fission chromophores

D James, E Pradhan, S Lee, CH Choi… - Canadian Journal of …, 2022 - cdnsciencepub.com
Singlet fission is a highly desired process in photovoltaic devices as it can significantly
enhance photoelectric conversion efficiency. Exploitation of this process in photovoltaics is …

Unified one-electron Hamiltonian formalism of spin–orbit Jahn–Teller and pseudo-Jahn–Teller problems in axial symmetries

J Brown, E Pradhan, T Zeng - The Journal of Chemical Physics, 2021 - pubs.aip.org
Spin–orbit coupling and vibronic coupling are both closely related to orbital degeneracy of
electronic states. Both types of coupling play significant roles in determining properties of …

Unified one-electron Hamiltonian formalism of spin–orbit Jahn–Teller and pseudo-Jahn–Teller problems in tetrahedral and octahedral symmetries

E Pradhan, G Yao, Z Yang, T Zeng - The Journal of Chemical Physics, 2022 - pubs.aip.org
Heavy element compounds with high symmetries often feature both spin–orbit coupling and
vibronic coupling. This is especially true for systems with tetrahedral and octahedral …

Quantum Algorithm for Vibronic Dynamics: Case Study on Singlet Fission Solar Cell Design

D Motlagh, RA Lang… - arXiv preprint arXiv …, 2024 - arxiv.org
Vibronic interactions between nuclear motion and electronic states are critical for the
accurate modeling of photochemistry. However, accurate simulations of fully quantum non …

Survey of T1 and T2 Energies of Intramolecular Singlet Fission Chromophores

G Yao, Z Yang, T Zeng - Photochem, 2024 - mdpi.com
Singlet fission is a desired process in photovoltaics since it enhances photoelectric
conversion efficiency. Intramolecular singlet fission is of special interest as the fission …

Adiabat‐to‐Diabat Angle in Seam Space: Renner‐Teller‐Type and Pseudo‐Jahn‐Teller‐Type Problems

BJ Chen, E Pradhan, M Nooijen, T Zeng - ChemPhysChem, 2024 - Wiley Online Library
In this study, we examine the adiabat‐to‐diabat (ATD) angles for trajectories in 2‐
dimensional vibrational subspace of the seam space of two degenerate states. In circulating …

Crystallographic and theoretical study of the atypical distorted octahedral geometry of the metal chromophore of zinc (II) bis ((1R, 2R)-1, 2-diaminocyclohexane) …

B Ivanova, M Spiteller - Journal of Molecular Structure, 2022 - Elsevier
The topic of the study is crystallographic experimental and theoretical electron density
analyses of entitled complex zinc (II) bis ((1R, 2R)-1, 2-diaminocyclohexane) dinitrate (1) …