Publications of Holger Unterhalt

Pramhaas, V.; Unterhalt, H.; Freund, H.-J.; Rupprechter, G.: Polarization-Dependent Sum-Frequency-Generation Spectroscopy for In Situ Tracking of Nanoparticle Morphology. Angewandte Chemie International Edition 62 (19), e202300230 (2023)

Pramhaas, V.; Unterhalt, H.; Freund, H.-J.; Rupprechter, G.: Polarisationsabhängige Summenfrequenzspektroskopie (SFG) zur in situ Bestimmung der Nanopartikel-Morphologie. Angewandte Chemie 135 (19), e202300230 (2023)

Rupprechter, G.; Unterhalt, H.; Borasio, M.; Morkel, M.: In situ Spektroskopie an katalytisch aktiven Nanoteilchen. Spektroskopie an Modellkatalysatoren unter Atmosphärendruck. GIT Labor-Fachzeitschrift 11, pp. 970 - 975 (2008)

Morkel, M.; Unterhalt, H.; Klüner, T.; Freund, H.-J.: Interpreting intensities in vibrational sum frequency generation (SFG) spectroscopy: CO adsorption on Pd surfaces. Surface Science 586 (1-3), pp. 146 - 156 (2005)

Kaichev, V. V.; Morkel, M.; Unterhalt, H.; Prosvirin, I. P.; Bukhtiyarov, V. I.; Rupprechter, G.; Freund, H.-J.: C–O bond scission on "defect-rich and perfect" Pd(111)? Surface Science 566-568 (2), pp. 1024 - 1029 (2004)

Rupprechter, G.; Kaichev, V. V.; Unterhalt, H.; Morkel, M.; Bukhtiyarov, V. I.: 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), pp. 26 - 31 (2004)

Galletto, P.; Unterhalt, H.; Rupprechter, G.: The molecular orientation of CO on Pd(111): a polarization-dependent SFG study. Chemical Physics Letters 367 (5-6), pp. 785 - 790 (2003)

Kaichev, V. V.; Prosvirin, I. P.; Bukhtiyarov, V. I.; Unterhalt, H.; Rupprechter, G.; Freund, H.-J.: 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), pp. 3522 - 3527 (2003)

Morkel, M.; Unterhalt, H.; Salmeron, M.; Rupprechter, G.; Freund, H.-J.: SFG spectroscopy from 10^-8 to 1000 mbar: less-ordered CO structures and coadsorption on Pd(111). Surface Science 532-535, pp. 103 - 107 (2003)

Rupprechter, G.; Unterhalt, H.; Morkel, M.; Galletto, P.; Dellwig, T.; Freund, H.-J.: 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), pp. 83 - 87 (2003)

Yudanov, I. V.; Sahnoun, R.; Neyman, K. M.; Rösch, N.; Hoffmann, J.; Schauermann, S.; Johánek, V.; Unterhalt, H.; Rupprechter, G.; Libuda, J. et al.; Freund, H.-J.: CO adsorption on Pd nanoparticles: density functional and vibrational spectroscopy studies. The Journal of Physical Chemistry B 107 (1), pp. 255 - 264 (2003)

Rupprechter, G.; Unterhalt, H.; Morkel, M.; Galletto, P.; Hu, L.; Freund, H.-J.: Sum frequency generation vibrational spectroscopy at solid-gas interfaces: CO adsorption on Pd model catalysts at ambient pressure. Surface Science 502, pp. 109 - 122 (2002)

Unterhalt, H.; Rupprechter, G.; Freund, H.-J.: 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), pp. 356 - 367 (2002)

Rupprechter, G.; Unterhalt, H.; Morkel, M.; Galletto, P.; Hu, L.; Freund, H.-J.: Sum frequency generation vibrational spectroscopy at solid–gas interfaces: CO adsorption on Pd model catalysts at ambient pressure. Surface Science 502-503, pp. 109 - 122 (2002)

Unterhalt, H.; Galletto, P.; Morkel, M.; Rupprechter, G.; Freund, H.-J.: Sum frequency generation study of CO adsorption on palladium model catalysts. Physica Status Solidi A-Applied Research 188 (4), pp. 1495 - 1513 (2001)

Rupprechter, G.; Dellwig, T.; Unterhalt, H.; Freund, H.-J.: High-Pressure Carbon Monoxide Adsorption on Pt(111) Revisited: A Sum Frequency Generation Study. The Journal of Physical Chemistry B 105 (18), pp. 3797 - 3802 (2001)

Rupprechter, G.; Dellwig, T.; Unterhalt, H.; Freund, H.-J.: 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), pp. 19 - 26 (2001)

Dellwig, T.; Hartmann, J.; Libuda, J.; Meusel, I.; Rupprechter, G.; Unterhalt, H.; Freund, H.-J.: Complex model catalysts under UHV and high pressure conditions: CO adsorption and oxidation on alumina-supported Pd particles,. Journal of Molecular Catalysis A 162 (1-2), pp. 51 - 66 (2000)

Rupprechter, G.; Dellwig, T.; Unterhalt, H.; Freund, H.-J.: Design of an SFG-compatible uhv-high pressure reaction cell: Studies of CO and NO adsorption on Ni and NiO(100) by IR-vis sum frequency generation vibrational spectroscopy. In: 12th International Congress on Catalysis, pp. 3131 - 3136 (Ed. Corma, A.). Elsevier, Amsterdam (2000)

Unterhalt, H.: Summenfrequenzerzeugungsspektroskopie an Platin- und Palladium-Modellkatalysatoren. Dissertation, Freie Universität, Berlin (2002)