Publications of Holger Unterhalt

Journal Article (15)

2008
Journal Article
G. Rupprechter, H. Unterhalt, M. Borasio and M. Morkel: In situ Spektroskopie an katalytisch aktiven Nanoteilchen. Spektroskopie an Modellkatalysatoren unter Atmosphärendruck. GIT Labor-Fachzeitschrift 11, 970–975 (2008).
2005
Journal Article
M. Morkel, H. Unterhalt, T. Klüner and H.-J. Freund: Interpreting intensities in vibrational sum frequency generation (SFG) spectroscopy: CO adsorption on Pd surfaces. Surface Science 586 (1-3), 146–156 (2005).
2004
Journal Article
V.V. Kaichev, M. Morkel, H. Unterhalt, I.P. Prosvirin, V.I. Bukhtiyarov, G. Rupprechter and H.-J. Freund: C–O bond scission on "defect-rich and perfect" Pd(111)? Surface Science 566-568 (2), 1024–1029 (2004).
Journal Article
G. Rupprechter, V.V. Kaichev, H. Unterhalt, M. Morkel and V.I. Bukhtiyarov: CO dissociation and CO hydrogenation on smooth and ion-bombarded Pd(111): SFG and XPS spectroscopy at mbar pressures. Applied Surface Science 235 (1-2), 26–31 (2004).
2003
Journal Article
P. Galletto, H. Unterhalt and G. Rupprechter: The molecular orientation of CO on Pd(111): a polarization-dependent SFG study. Chemical Physics Letters 367 (5-6), 785–790 (2003).
Journal Article
V.V. Kaichev, I.P. Prosvirin, V.I. Bukhtiyarov, H. Unterhalt, G. Rupprechter and H.-J. Freund: High-pressure studies of CO adsorption on Pd(111) by X-ray photoelectron spectroscopy and sum-frequency generation. The Journal of Physical Chemistry B 107 (15), 3522–3527 (2003).
Journal Article
M. Morkel, H. Unterhalt, M. Salmeron, G. Rupprechter and H.-J. Freund: SFG spectroscopy from 10-8 to 1000 mbar: less-ordered CO structures and coadsorption on Pd(111). Surface Science 532-535, 103–107 (2003).
Journal Article
G. Rupprechter, H. Unterhalt, M. Morkel, P. Galletto, T. Dellwig and H.-J. Freund: Extending UHV studies to the mbar range: vibrational SFG spectroscopy of high-pressure CO adsorption on Pt(111) and Pd(111). Vacuum 71 (1-2), 83–87 (2003).
Journal Article
I.V. Yudanov, R. Sahnoun, K.M. Neyman, N. Rösch, J. Hoffmann, S. Schauermann, V. Johánek, H. Unterhalt, G. Rupprechter, J. Libuda and H.-J. Freund: CO adsorption on Pd nanoparticles: density functional and vibrational spectroscopy studies. The Journal of Physical Chemistry B 107 (1), 255–264 (2003).
2002
Journal Article
G. Rupprechter, H. Unterhalt, M. Morkel, P. Galletto, L. Hu and H.-J. Freund: Sum frequency generation vibrational spectroscopy at solid-gas interfaces: CO adsorption on Pd model catalysts at ambient pressure. Surface Science 502, 109–122 (2002).
Journal Article
H. Unterhalt, G. Rupprechter and H.-J. Freund: Vibrational sum frequency spectroscopy on Pd(111) and supported Pd nanoparticles: CO adsorption from ultrahigh vacuum to atmospheric pressure. The Journal of Physical Chemistry B 106 (2), 356–367 (2002).
Journal Article
G. Rupprechter, H. Unterhalt, M. Morkel, P. Galletto, L. Hu and H.-J. Freund: Sum frequency generation vibrational spectroscopy at solid–gas interfaces: CO adsorption on Pd model catalysts at ambient pressure. Surface Science 502-503, 109–122 (2002).
2001
Journal Article
H. Unterhalt, P. Galletto, M. Morkel, G. Rupprechter and H.-J. Freund: Sum frequency generation study of CO adsorption on palladium model catalysts. Physica Status Solidi A-Applied Research 188 (4), 1495–1513 (2001).
Journal Article
G. Rupprechter, T. Dellwig, H. Unterhalt and H.-J. Freund: High-Pressure Carbon Monoxide Adsorption on Pt(111) Revisited: A Sum Frequency Generation Study. The Journal of Physical Chemistry B 105 (18), 3797–3802 (2001).
Journal Article
G. Rupprechter, T. Dellwig, H. Unterhalt and H.-J. Freund: CO adsorption on Ni(100) and Pt(111) studied by infrared–visible sum frequency generation spectroscopy: design and application of an SFG-compatible UHV–high-pressure reaction cell. Topics in Catalysis 15 (1), 19–26 (2001).

Thesis - PhD (1)

2002
Thesis - PhD
H. Unterhalt: Summenfrequenzerzeugungsspektroskopie an Platin- und Palladium-Modellkatalysatoren. Freie Universität Berlin
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