Research

Crossed Beam Machine with H-Rydberg Tagging Technique

     Our research interest is bimolecular reactions in gas phase, using the crossed beam in combination with the high resolution H-atom Rydberg tagging time-of-flight technique. With this powerful technique, we could get deep insight of elementary chemical reactions exactly.

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Crossed Beam Machine with Slice Imaging Technique

    We focus on state-to-state dynamics of elementary chemical reactions, taking advantage of time-sliced ion velocity map imaging technique.
We build crossed beam scattering apparatus that allows us to produce atomic and molecular beams using molecular beam photodissociation as well as discharge or pyrolysis methods. It provides opportunities to investigate many important reactions with high velocity resolution (~1%).

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The H-atom Tagging photochemistry machine with Tunable VUV Laser

     We have developed a new experimental method in our laboratory for studying photochemistry using the high resolution time-of-flight Rydberg tagging technique combined with a broadly tunable VUV radiation source as well as a tunable UV source. This technique is also likely applicable to the photochemistry of many other molecular systems in the entire VUV region that is important in the atmospheric and interstellar chemistry.

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Surface photoreaction dynamics with two-photon photoemission     (2PPE) technique

    We employ femtosecond time-resolved two-photon photon emission spectroscopic technique to investigate the lifetime of excited resonance state of adsorbed molecules on metals and semiconductors.

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Surface photoreaction dynamics with the state-of-the-art     quadrupole mass spectroscopic technique

      We are setting up a machine with the state-of-the-art quadrupole mass spectroscopic technique, low background detection of H2. We will employ nanosecond laser or femtosecond laser to investigate the photoreaction dynamics of molecular adsorbates on metal, semiconductor and insulator surfaces.

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Photodissociation with slice imaging technique

      Photodissociation dynamics of molecules plays a great role in the atmosphere photochemistry and the photodissociation studies are also very important in understanding the basic processes in the chemistry reaction. In our experiment the studied molecule intersects with the photolysis laser beam to absorb one or more photons to dissociate into fragments.

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Theoretical and computational field
 

 

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