Experimental Facilities

Femtochemistry of Heterogeneous NanoCatalysis

1. Preparation of Quasi-hexagonal 2D Arrays of sub-10 nm Particles: Model Catalyst Surfaces

Left: Synthesis Procedure (Micelle Nanolithography); Right: (a) Spin-Coater and (b) N2 Glove Box.

see Journal of Physical Chemistry C, 2018, 122, 26528-26542 for more details.

2. Study of Nanocatalysis using Surface Science Techniques

Left: Home-built surface analysis system; Right Top: Auger electron spectra of (a) single crystal TiO2(110), (b) TiO2(110)-supported loaded micelles, (c) clean TiO2(110)-supported Fe-Pd nanoparticles and (d) single crystal Pd(100). Right Bottom: Temperature programmed desorption of O2 from TiO2(110)-Supported Pd Nanoparticles and single crystal Pd(111), Pd(110) and Pd(100) surfaces.

Equipped with Quadrupole Mass Spectrometer, Cylindrical Mirror Electron Energy Analyzer, Sample Probe with Temperature Ramp from 100 K to 1100 K, Ion Gun, Gas Doser, Plasma Source, XYZ Manipulator, Turbo Molecular Pump, Ion Pump, and Laser Windows.

​Nanoconfinement Effect: Atomic oxygen binding strength of Pd nanoparticles (~10 nm) is significantly enhanced with respect to the Pd lower Miller index surfaces due to nanoconfinement effect.

3. Ultrafast Surface Chemical Dynamics Coupling Femtosecond Spectroscopy and Surface Science

Left: (a) 

see J. Phys. Chem. C, 2018, 122, 26039-26046 for more details.

Femtosecond and Attosecond X-ray Science and Spectroscopy

High Harmonic Generation Spectroscopy

Left: Higher order harmonic generation (HHG) beamline with the XUV spectrometer. Right: HHG spectrum of N2 using a semi-infinite gas cell.
​See J. Phys. Chem. A, 2019, 5144 for more details.