Researcher Information

IWASA Takeshi

Assistant Professor

Light-matter interaction and chemical reaction

Department of Chemistry, Physical Chemistry

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Theme

Light-molecule interaction at the nanoscale studied by quantum mechanics and electrodynamics calculations

FieldTheoretical molecular science, quantum chemistry
Keywordnear-field, excited states, luminescence, coordination compound, cluster, catalysis

Representative Achievements

Optical force and torque in near-field excitation of C3H6: A first-principles study using RT-TDDFT
R. Amano, D. Nishizawa, T. Taketsugu, T. Iwasa*, J. Chem. Phys., 161, 124110 (2024).
Near-field induced local excitation dynamics of Na10 and Na10-N2 from real-time TDDFT
D. Nishizawa, R. Amano, T. Taketsugu, T. Iwasa*, J. Chem. Phys., 161, 054309 (2024).
Generalized Transition Moment and Oscillator Strength for Optimal Control of Excited States using Near-Field Light
T. Iwasa*, J. Phys. Chem. Lett., 15, 4775-4781 (2024).
Excited States of Metal-Adsorbed Dimethyl Disulfide: A TDDFT Study with Cluster Model
K. Toda, Y. Hirose, E. Kazuma, Y. Kim, T. Taketsugu, T. Iwasa*, J. Phys. Chem. A, 126, 4191-4198 (2022).
A Comparative Study of Structural, Electronic, and Optical Properties of Thiolated Gold Clusters with Icosahedral vs Face-Centered Cubic Cores
M. Miyamoto, T. Taketsugu, T. Iwasa*, J. Chem. Phys., 155, 094304 (2021).
ProjectInstitute for Chemical Reaction Design and Discovery (WPI-ICReDD)