Research Interests |
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Ultrafast Photoinduced Heterogeneous Catalytic
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Overview
Photoinduced catalytic reaction mechanisms and dynamics is investigated on semiconductor-supported metal nanoparticle surfaces under ultra high vacuum conditions. Spectroscopic Technique Femtosecond two pulse correlation spectroscopy Temperature programmed desorption spectroscopy Auger electron spectroscopy Synthesis Technique Micelle nanolithography followed by plasma oxidation |
Decomposition Mechanisms and Dynamics of Metal-Supported Energetic Materials
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Overview
Decomposition reaction mechanisms and dynamics of energetic materials (high energy propellant, fuel, and explosives) on the metal surface (single crystal and nanoparticles) is investigated under ultra high vacuum conditions. Spectroscopic Technique Femtosecond two pulse correlation spectroscopy Temperature programmed desorption spectroscopy Auger electron spectroscopy Deposition Technique Electrospray under UHV |
Decomposition Mechanisms and Dynamics of Nitrogen-Rich Molecules
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Overview
Decomposition reaction mechanisms and dynamics of high nitrogen content energetic materials is investigated using ultrafast time resolved photoelectron spectroscopy. Spectroscopic Technique Photoelectron Spectroscopy Pump-probe Spectroscopy Light Source Femtosecond amplifier (6 mJ, 800 nm, 35 fs), TOPAS |
Time Resolved Liquid Phase Photoelectron Spectroscopy
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Overview
Time resolved liquid beam photoelectron spectroscopy is a novel technique for chemical dynamics study. This technique is being developed coupling liquid beam technology and high harmonic generation source to decipher interfacial charge transfer ultrafast dynamics with chemical specificity. Spectroscopic Technique Photoelectron Spectroscopy Light Source Nonlinear High Harmonic Generation (10-100 eV) |
Attosecond Charge Migration Dynamics in Molecular Clusters
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Overview
Ultrafast electron dynamics following vertical ionization of molecules and molecular clusters is investigated theoretically. Computational Technique Density Functional Theory and Complete Active Space Self-Consistent Field (CASSCF) theory with time dependent Schrodinger equation. Future Plan Build experimental set-up for attosecond spectroscopy. |