Held, Georg - University of Reading - Department of Chemistry

研究领域

Prof Held's research interests focus on fundamental aspects of heterogeneous catalysis and the development of methods for accurate characterization of adsorbed molecules. One key activity of the research group is the precise determination of surface geometries by diffraction techniques (LEED, SXRD). Another, increasingly important field of research involves studies of the chemical nature of model catalysts and adsorbed molecules by X-ray photoelectron spectroscopy (XPS) and Near Edge X-ray Absorption Fine Structure (NEXAFS) Spectroscopy. The experiments investigate the adsorption and reactions of small bio-relevant molecules (e.g. amino acids) and solvents, like water, on metal and oxide surfaces and the geometries and electronic structures of surfaces alloys and thin oxide films. Prof Held has been awarded major grants from EPSRC and the European Commission (network grants "MONET" and "SMALL" funded by the Marie Curie programme) and regular beamtime awards at UK, European and US synchrotron facilities.

近期论文

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Ontaneda, J., Nicklin, R. E. J., Cornish, A., Roldan, A., Grau-Crespo, R. and Held, G. (2016) Adsorption of methyl acetoacetate at Ni{111}: experiment and theory. Journal of Physical Chemistry C, 120 (48). pp. 27490-27499. ISSN 1932-7455 doi: 10.1021/acs.jpcc.6b10023 Price, R., Eralp-Erden, T., Crumlin, E., Rani, S., Garcia, S., Smith, R., Deacon, L., Euaruksakul, C. and Held, G. (2016) The partial oxidation of methane over Pd/Al2O3 catalyst nanoparticles studied in-situ by near ambient-pressure x-ray photoelectron spectroscopy. Topics in Catalysis, 59 (5-7). pp. 516-525. ISSN 1022-5528 doi: 10.1007/s11244-015-0520-8 Nicklin, R. E. J., Cornish, A., Shavorskiy, A., Baldanza, S., Schulte, K., Liu, Z., Bennett, R. A. and Held, G. (2015) Surface chemistry of alanine on Ni{111}. Journal of Physical Chemistry C, 119 (47). pp. 26566-26574. ISSN 1932-7447 doi: 10.1021/acs.jpcc.5b08814 Praetorius, C., Zinner, M., Held, G. and Fauth, K. (2015) Surface termination of CePt5/Pt(111): the key to chemical inertness. Physical Review B, 92 (19). 195427. ISSN 1098-0121 doi: 10.1103/PhysRevB.92.195427 McGuirk, G. M., Ledieu, J., Gaudry, E., de Weerd, M. C., Hahne, M., Gille, P., Ivarsson, D. C. A., Armbrüster, M., Ardini, J. , Held, G., Maccherozzi, F., Bayer, A., Lowe, M., Pussi, K., Diehl, R. D. and Fournée, V. (2015) The atomic structure of low-index surfaces of the intermetallic compound InPd. The Journal of Chemical Physics, 143. 074705. ISSN 0021-9606 doi: 10.1063/1.4928650 Baldanza, S., Ardini, J., Giglia, A. and Held, G. (2015) Stereochemistry and thermal stability of tartaric acid on the intrinsically chiral Cu{531} surface. Surface Science, 643. pp. 108-116. ISSN 0039-6028 doi: 10.1016/j.susc.2015.08.021 Watson, D. J., Acharya, S., Nicklin, R. E. J. and Held, G. (2014) Observing the in situ chiral modification of Ni nanoparticles using scanning transmission X-ray microspectroscopy. Surface Science, 629. pp. 108-113. ISSN 0039-6028 doi: 10.1016/j.susc.2014.03.018