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Journal Article

Photochemical pathways of water on palladium (111) at 6.4 eV

MPS-Authors
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Wolf,  Martin       
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Hasselbrink,  Eckart       
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Ertl,  Gerhard       
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Zhu, X. Y., White, J. M., Wolf, M., Hasselbrink, E., & Ertl, G. (1991). Photochemical pathways of water on palladium (111) at 6.4 eV. The Journal of Physical Chemistry, 95(21), 8393-8402. doi:10.1021/j100174a065.


Cite as: https://hdl.handle.net/21.11116/0000-000F-3F2F-8
Abstract
The photochemistry of water adsorbed on Pd(111) was studied by high-resulution electron energy loss spectroscopy (HREELS), temperature-programmed desorption (TPD), and time-of-flight (TOF) mass spectroscopy. UV laser irradiation (6.4 eV ,193 nm) of the water bilayer adsorbed on Pd (111) results in sequential dissociation to form surface hydroxyl groups first and later atomic oxygen. The first step is dominating for irradiation with up to 2 x 1018 photons/cm2. In this case the dissociating hydrogen atom is retained on the surface.