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Thermal catalysis


The goal of the investigations is to gain an increased understanding of the complex catalytic reactions, for applications in the production of technical catalysts to enhance the reaction rates and improve the selectivity. Our approach is to use appropriate model systems that can be structural and chemically characterized by established surface science techniques for later operando investigations [1]. For this, we use in particular High Energy Surface X-Ray Diffraction (HESXRD) [2], Planar Laser Induced Fluorescence (PLIF) [3], Near Ambient Pressure XPS (NAPXPS) [4] and 2D-Surface Optical Reflectance [5]. The catalytic reactions we seek to understand are CO oxidation, CH4 oxidation, NH3 oxidation, CO2 reduction and CO hydrogenation.

References

[1]  Novel in Situ Techniques for Studies of Model Catalysts.
E. Lundgren, C. Zhang, L. R. Merte, M. Shipilin, S. Blomberg, U. Hejral, J. F. Zhou, J. Zetterberg and J. Gustafson,
Accounts Chem Res, 50 (2017) 2326.

[2] High-energy surface X-ray diffraction for fast surface structure determination.
J. Gustafson, M.  Shipilin, C. Zhang, A. Stierle, U. Hejral, U. Ruett, O. Gutowski, P.-A. Carlsson, M.
Skoglundh and E. Lundgren,
Science 343 (2014) 758.

[3] Spatially and temporally resolved gas distributions around heterogeneous catalysts using infrared planar laser-induced fluorescence.
J. Zetterberg, S. Blomberg, J. Gustafson, J. Evertsson, J. F. Zhou, E. C. Adams, P. A. Carlsson, M. Alden and E. Lundgren,
Nat Commun, 6 2015, 7076.

[4] In situ X-ray Photoelectron Spectroscopy of model catalysts: At the edge of the gap.
S. Blomberg, M.J. Hoffmann, J. Gustafson, N. M. Martin, V. R. Fernandes, A. Borg, Z. Liu, R. Chang, S. Matera, K. Reuter, and E. Lundgren,
Phys. Rev. Lett. 110  (2013) 117601.

[5] Simultaneous Imaging of a Gas Phase over and Surface Reflectance of a Pd(100) Single crystal.
 J. Zhou, S. Blomberg, J. Gustafson, E. Lundgren, J. Zetterberg,
J. Phys. Chem. C 121 (2017) 23511
 

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