The Role of Transition Dipole Moment in Photocatalysis and Strong Laser Field Driven Dynamics

Date:2019-11-25Clicks:10设置

Topic:The Role of Transition Dipole Moment in Photocatalysis and Strong Laser Field Driven Dynamics

Speaker: Professor Lu Ruifeng

Event date: 11/25/2019

Event time: 10:00 am

Venue: Meeting Room 327,Building 7

Sponsor: School of Physicsand Electronic Engineering, Institute of Science and Technology

Abstract:

The electronic band structure and optical property calculationshelp usto find new photocatalysts with visible light response in theory. However, the appropriate band gap and band alignment sometimes do not mean better light absorption properties. With the help of detailed transition dipolemoment analysis, we can clearly reveal the catalytic mechanism of photocatalytic water splitting. In addition, our theoretical simulations show that the amplitude and phase of transition dipole moments play an importantrole in the at to second transient absorption spectra of atomic systems and thehigh-order harmonic spectra of crystal systems under ultrafast intense laser irradiation.


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