2012
V. Bonacic-Koutecky,
T. M. Bernhardt:
Structure and reactivity of small particles: From clusters to aerosols,
Phys. Chem. Chem. Phys. (2012). DOI:
10.1039/C2CP90066a.
S. M. Lang, T. M.
Bernhardt
Reactions of carbon monoxide with free palladium oxide clusters:
Strongly size dependent competition between adsorption and combustion,
Phys. Chem. Chem. Phys. 14, (2012). DOI:
10.1039/C2CP23976K.
2011
S. M. Lang, T. M.
Bernhardt
Methane activation and partial oxidation on free gold and palladium
clusters: Mechanistic insights into cooperative and highly selective
cluster catalysis,
Faraday Disc. 152, 337 (2011), DOI:
10.1039/C1FD00025J.
M. E. Vaida, R.
Tchitnga, T. M. Bernhardt:
Femtosecond time-resolved photodissociation dynamics of methyl halide
molecules on ultrathin gold films,
Beilstein J. Nanotechnol. 2, 618 (2011). DOI:
10.3762/bjnano.2.65.
M. E. Vaida, T.
M. Bernhardt:
Femtosecond two photon photoemission spectroscopy of methyl iodide
adsorbed on a gold surface,
AIP Conf. Proc. 1387, 147 (2011). DOI:
10.1063/1.3647066.
D. M. Popolan, T.
M. Bernhardt:
Interaction of Aun+ and Agn+ with CH3Br: Thermal and photoinduced
reaction pathways,
Eur. Phys. J. D 63,251 (2011). DOI:
10.1140/epjd/e2010-10588-9.
S. M. Lang, T. M.
Bernhardt, R. N. Barnett, U. Landman:
Temperature-tuneable selective methane catalysis on Au2+: From cryogenic
partial oxidation yielding formaldehyde to cold ethylene production,
J. Phys. Chem. C 115, 6788 (2011). DOI:
10.1021/jp200160r.
D. M. Popolan, T.
M. Bernhardt:
CO oxidation by silver and gold cluster cations: Identification
of different active oxygen species,
J. Chem. Phys. 134, 091102 (2011). DOI:
10.1063/1.3563631.
D. M. Popolan, M.
Nößler, R. Mitric, T. M. Bernhardt, V. Bonacic-Koutecky:
Tuning cluster reactivity by charge state and composition: Experimental
and theoretical investigation of CO binding energies to AgnAum+/- (n
+ m = 3),
J. Phys. Chem. A 115, 951 (2011). DOI:
10.1021/jp106884p.
2010
M.
E. Vaida, T. M. Bernhardt:
Surface pump-probe femtosecond laser mass spectrometry: Time-, mass-,
and velocity-resolved detection of surface reaction dynamics,
Rev. Sci. Instrum. 81, 104103 (2010). DOI:
10.1063/1.3488098.
M. E. Vaida, T.
Gleitsmann, R. Tchitnga, T. M. Bernhardt:
Femtosecond-laser photoemission and photodesorption from magnesia
supported gold clusters,
Phys. Status Solidi B 247, 1001 (2010).
DOI: 10.1002/pssb.200945518.
D. M. Popolan, M.
Nößler, R. Mitric, T. M. Bernhardt, V. Bonacic-Koutecky:
Composition dependent adsorption of multiple CO molecules on binary
silver-gold clusters AgnAum+ (n + m = 5): Theory and experiment,
Phys. Chem. Chem. Phys. 12, 7865 (2010). DOI:
10.1039/b924022e.
M. E. Vaida, T.
M. Bernhardt, C. Barth, F. Esch, U. Heiz, U. Landman:
Ultrathin magnesia films as support for molecules and metal clusters:
Tuning reactivity by thickness and composition,
Phys. Status Solidi B 247, 1139 (2010). DOI:
10.1002/pssb.200945579.
S. M. Lang, T. M.
Bernhardt, R. N. Barnett, U. Landman:
Size dependent binding energies of methane to small gold clusters,
ChemPhysChem 11, 1570 (2010). DOI:
10.1002/cphc.200900844.
M. E. Vaida, T.
M. Bernhardt:
Surface-aligned femtochemistry: Real-time dynamics of photoinduced
I2 formation from CD3I on MgO(100),
ChemPhysChem 11, 804 (2010). DOI:
10.1002/cphc.200900920.
S. M. Lang, T. M.
Bernhardt, R. N. Barnett, U. Landman:
Methanaktivierung und katalytische Ethylenbildung an freiem Au2+,
Angew. Chem. 122, 933 (2010)). DOI:
10.1002/ange.200905643
Methane activation and catalytic ethylene formation on free Au2+,
Angew. Chem. Int. Ed. 49, 980 (2010). DOI:
10.1002/anie.200905643
See also the Highlight in Angewandte Chemie by D. Schröder:
Gasphasenaktivierung von Methan durch Metallkationen,
Angew. Chem.
122, 862 (2010). DOI:
10.1002/ange.200906518
Activation of Methane by Gaseous Metal Ions,
Angew. Chem.
Int. Ed. 49, 850 (2010). DOI:
10.1002/anie.200906518
and the corresponding press release:
Goldige
Pärchen - Katalytische Dimere aus Goldatomen machen Ethylen aus
Methan
Golden
pairs - Catalytic dimers of gold make ethylene from methane
2009
S. M. Lang, T. M.
Bernhardt:
Cooperative and competitive coadsorption of H2, O2, and N2 on mass-selected
gold cluster ions Aux+ (x = 3,5),
J. Chem. Phys. 131, 024310 (2009). DOI:
10.1063/1.3168396
S. M. Lang, T. M.
Bernhardt:
Reactions of free gold cluster cations with H2O, CH3Cl and mixtures
thereof,
Int. J. Mass. Spectrom. 286, 39 (2009). DOI:
10.1016/j.ijms.2009.06.005
S. M. Lang, T. M.
Bernhardt, R. N. Barnett, B. Yoon, U. Landman:
Hydrogen promoted oxygen activation by free gold cluster cations,
J. Am. Chem. Soc. 131, 8939 (2009).
DOI: 10.1021/ja9022368
M. E. Vaida, T.
Gleitsmann, R. Tchitnga, T. M. Bernhardt:
Femtosecond-laser photoemission spectroscopy of Mo(100) covered
by ultrathin MgO(100) films of variable thickness,
J. Phys. Chem. C 113, 10264 (2009). DOI:
10.1021/jp902695h
S. M. Lang, T.
M. Bernhardt:
Reactions of small gold cluster cations with propylene, methane
and hydrogen: Permissive and competitive coadsorption effects,
Eur. Phys. J. D 52, 139 (2009). DOI:
10.1140/epjd/e2009-00070-4
M. E. Vaida, T.
M. Bernhardt:
Adsorption and photodissociation dynamics of methyl iodide on magnesia
supported gold nano-particles.
Eur. Phys. J. D 52, 119 (2009). DOI:
10.1140/epjd/e2009-00064-2
T. M. Bernhardt, J. Hagen, S. M. Lang, D. M. Popolan, L. D. Socaciu-Siebert,
L. Wöste:
Binding energies of O2 and CO to small anionic noble metal clusters
from temperature dependent reaction kinetics measurements,
J. Phys. Chem. A 113, 2724 (2009). DOI:
10.1021/jp810055q
D.
M. Popolan, T. M. Bernhardt:
Formation and femtosecond photodissociation of Aun+ and Agn+ complexes
with benzene and carbon monoxide,
Chem. Phys. Lett., 470, 44 (2009). DOI:
10.1016/j.cplett.2009.01.036
Chem. Phys. Lett., 474, 239 (2009). DOI:
10.1016/j.cplett.2009.04.023
2008
M.
E. Vaida, P. E. Hindelang, T. M Bernhardt:
Femtosecond real-time probing of transition state dynamics in a
surface photoreaction: Methyl desorption from CH3I on MgO(100),
J. Chem. Phys. 129, 011105 (2008). DOI:
10.1063/1.2953578
2007
T.
Gleitsmann, M. E. Vaida, T. M. Bernhardt, V. Bonacic-Koutecky, C. Bürgel,
A. E. Kuznetsov, R. Mitric:
Mass-selected Ag3 clusters soft-landed on magnesia: Two photon photoemission
and first-principles simulations,
Eur. Phys. J. D 45, 477 (2007). DOI:
10.1140/epjd/e2007-00257-7
J.
Hagen, L. D. Socaciu-Siebert, J. Le Roux, D. Popolan, S. Vajda, T. M.
Bernhardt, L. Wöste:
Charge transfer initiated nitroxyl chemistry on free silver cluster
anions Ag2-5-: Size effects and magic complexes,
Int. J. Mass Spectrom. 261, 152 (2007). DOI:
10.1016/j.ijms.2006.08.008
A.
Lindinger, V. Bonacic-Koutecky, R. Mitric, D. Tannor, C. P. Koch, V.
Engel, T. M. Bernhardt, J. Jortner, A. Mirabal, L. Wöste
Analysis and control of small isolated molecular systems,
in ’Analysis and control of ultrafast photoinduced reactions’,
edited by O. Kühn and L. Wöste, Springer, Berlin (2007).
S. M. Lang, D. M. Popolan, T. M. Bernhardt:
Chemical reactivity and catalytic properties of size-selected gas
phase metal clusters,
in ‘The chemical physics of solid surfaces (Vol. 12): Atomic clusters:
From gas phase to deposited’, edited by D. P. Woodruff, Elsevier
(2007). DOI:
10.1016/S1571-0785(07)12002-2
T.
M. Bernhardt, U. Heiz, U. Landman:
Chemical and catalytic properties of size-selected free and deposited
clusters,
in ‘Nanocatalysis’, edited by U. Heiz und U. Landman,
Springer, Berlin (2007).
2006
T.
Gleitsmann, T. M. Bernhardt, L. Wöste:
Luminescence properties of femtosecond-laser-activated silver oxide
nanoparticles embedded in a biopolymer matrix,
Appl. Phys. A 82, 125 (2006). DOI:
10.1007/s00339-005-3372-4
V.
Bonacic-Koutecky, R. Mitric, T. M. Bernhardt, L. Wöste, J. Jortner:
Analysis and control of ultrafast dynamics in atomic clusters: Theory
and Experiment,
Adv. Chem. Phys. 132, 179 (2006).
2005
L.
D. Socaciu-Siebert,. J. Hagen, J. Le Roux, D. Popolan, M. Vaida, S.
Vajda, T. M. Bernhardt, L. Wöste:
Ultrafast nuclear dynamics induced by photodetachment of Ag2- and
Ag2O2-: Oxygen desorption from a molecular silver surface,
Phys. Chem. Chem. Phys. 7, 2706 (2005). DOI:
10.1039/b506034f
T.
M. Bernhardt, L. D. Socaciu-Siebert, J. Hagen, L. Wöste:
Size and composition dependence in CO oxidation reaction on free
gold, silver, and binary silver-gold cluster anions,
Appl. Catal. A 291, 170 (2005). DOI:
110.1016/j.apcata.2005.02.041
T.
M. Bernhardt:
Gas phase reaction kinetics of small gold and silver clusters,
Int. J. Mass Spectrom. 243, 1 (2005). DOI:
10.1016/j.ijms.2004.12.015
T.
M. Bernhardt, J. Hagen, L. D. Socaciu, R. Mitric, A. Heidenreich, J.
Le Roux, D. Popolan, M. Vaida, L. Wöste, V. Bonacic-Koutecky, J.
Jortner:
Femtosecond time-resolved geometry relaxation and ultrafast intramolecular
energy redistribution in Ag2Au,
ChemPhysChem 6, 243 (2005). DOI:
10.1002/cphc.200400454
T.
M. Bernhardt, L. D. Socaciu, J. Hagen, D. Popolan, J. Le Roux, U. Heiz,
L. Wöste:
Catalysis with small free noble metal clusters,
in ‘Clusters and Nano-Assemblies’, eds. P. Jena, S. N. Khanna,
B. K. Rao, World Scientific, Singapore (2005).
B. Stegemann, T.
Gleitsmann, T. M. Bernhardt:
Verfahren zur optischen Datenspeicherung in Schichten aus Silberoxid
mittels ultrakurzer Laserpulse,
Patentblatt des Deutschen Patent- und Markenamtes 125, 21711 (2005).
2004
A.
Lindinger, J. Hagen, L. D. Socaciu, T. M. Bernhardt, L. Wöste,
D. Duft, T. Leisner:
Time resolved explosion dynamics of H2O droplets induced by femtosecond
laser pulses,
Appl. Opt. 43, 5263 (2004). DOI:
http://www.opticsinfobase.org/abstract.cfm?URI=ao-43-27-5263
T.
Gleitsmann, B. Stegemann, T. M. Bernhardt:
Femtosecond laser activated fluorescence from silver oxide nano-particles,
Appl. Phys. Lett. 84, 4050 (2004). DOI:
10.1063/1.1751613
J.
Hagen, L. D. Socaciu, J. Le Roux, D. Popolan, T. M. Bernhardt, L. Wöste,
R. Mitric, H. Noack, V. Bonacic-Koutecky:
Cooperative effects in the activation of molecular oxygen by anionic
silver clusters,
J. Am. Chem. Soc. 126, 3442 (2004). DOI:
10.1021/ja038948r
L.
D. Socaciu, J. Hagen, J. Le Roux, D. Popolan, T. M. Bernhardt, L. Wöste,
S. Vajda:
Strongly cluster size dependent reaction behavior of CO with O2
on free silver cluster anions,
J. Chem. Phys. 120, 2078 (2004). DOI:
10.1063/1.1644103
2003
J.
Hagen, L. D. Socaciu, U. Heiz, T. M. Bernhardt, L. Wöste:
Size dependent reaction kinetics of small gold clusters with carbon
monoxide: Influence of internal degrees of freedom and carbonyl complex
stability,
Eur. Phys. J. D 24, 327 (2003). DOI:
10.1140/epjd/e2003-00185-6
L.
D. Socaciu, J. Hagen, T. M. Bernhardt, L. Wöste, U. Heiz, H. Häkkinen,
U. Landman:
Catalytic CO oxidation by free Au2-: Experiment and theory,
J. Am. Chem. Soc. 125, 10437 (2003). DOI:
10.1021/ja027926m
T.
M. Bernhardt, B. Stegemann, B. Kaiser, K. Rademann:
Kristalline Strukturen aus Sb4-Molekülen in dünnen Antimonfilmen,
Angew. Chem. 115, 209 (2003); DOI:
10.1002/ange.200390045
Crystalline structures of Sb4 molecules in antimony thin films,
Angew. Chem. Int. Ed. 42, 199 (2003). DOI:
10.1002/anie.200390077
2002
J.
Hagen, L. D. Socaciu, M. Eijazyfer, U. Heiz, T. M. Bernhardt, L. Wöste:
Coadsorption of CO and O2 on small free gold cluster anions at cryogenic
temperatures: Model complexes for catalytic CO oxidation,
Phys. Chem. Chem. Phys. 4, 1707 (2002). DOI:
10.1039/b201236g
B.
Stegemann, T. M. Bernhardt, B. Kaiser, K. Rademann:
STM investigation of surface alloy formation and thin film growth
by Sb4 deposition on Au(111),
Surf. Sci. 511, 153 (2002). DOI:
10.1016/S0039-6028(02)01556-X
T.
M. Bernhardt, B. Kaiser, K. Rademann:
Unimolecular decomposition of antimony and bismuth cluster ions
studied by surface collision induced dissociation mass spectrometry,
Phys. Chem. Chem. Phys. 4, 1192 (2002). DOI:
10.1039/b110194c
2001
L.
D. Socaciu, J. Hagen, U. Heiz, T. M. Bernhardt, T. Leisner, L. Wöste:
Reaction mechanism for the oxidation of free silver dimers,
Chem. Phys. Lett. 340, 282 (2001). DOI:
10.1016/S0009-2614(01)00447-X
D.
H. Paik, T. M. Bernhardt, N. J. Kim, A. H. Zewail:
Femtochemistry of mass-selected negative-ion clusters of dioxygen:
Charge-transfer and solvation dynamics,
J. Chem. Phys. 115, 612 (2001). DOI:
10.1063/1.1384549
1999
D.
Zhong, T. M. Bernhardt, A. H. Zewail:
Femtosecond real-time probing of reactions. 24. Time, velocity and
orientation mapping of the dynamics of dative bonding in bimolecular
electron transfer reactions,
J. Phys. Chem. A 103, 10093 (1999). DOI:
10.1021/jp9919359
B.
Kaiser, T. M. Bernhardt, B. Stegemann, J. Opitz, K. Rademann:
Bimodal distribution in the fragmentation behavior of small antimony
clusters Sbx+
(x = 3-12) scattered from a highly oriented pyrolitic graphite surface,
Phys. Rev. Lett. 83, 2918 (1999). DOI:
10.1103/PhysRevLett.83.2918
B.
Kaiser, T. M. Bernhardt, B. Stegemann, J. Opitz, K. Rademann:
Interaction of mass selected antimony clusters with HOPG,
Nucl. Instrum. and Meth. in Phys. Res. B 157, 155 (1999). DOI:
10.1016/S0168-583X(99)00411-5
B.
Kaiser, T. M. Bernhardt, M. Kinne, K. Rademann, A. Heidenreich:
Formation, stability, and structures of antimony oxide clusters
ions,
J. Chem. Phys. 110, 1437 (1999). DOI:
10.1063/1.478019
1998
D.
Zhong, E. W.-G. Diau, T. M. Bernhardt, S. De Feyter, J. D. Roberts,
A. H. Zewail:
Femtosecond dynamics of valence-bond isomers of azines: Transition
states and conical intersections,
Chem. Phys. Lett. 298, 129 (1998). DOI:
10.1016/S0009-2614(98)01160-9
B.
Kaiser, T. M. Bernhardt, M. Kinne, K. Rademann:
Formation of antimony oxide clusters in a molecular beam,
Int. J. Mass Spectrom. 177, L5 (1998). DOI:
10.1016/S1387-3806(98)14026-5
T.
M. Bernhardt, B. Kaiser, K. Rademann:
Formation of superperiodic patterns on highly oriented pyrolytic
graphite by manipulation of nanosized graphite sheets with the STM tip,
Surf. Sci. 408, 86 (1998). DOI:
10.1016/S0039-6028(98)00152-6
B.
Kaiser, T. M. Bernhardt, K. Rademann:
Deposition of size-selected clusters at hyperthermal energies investigated
by STM,
Appl. Phys. A 66, S711 (1998). DOI:
10.1007/s003390051227
1997
M.
Kinne, T. M. Bernhardt, B. Kaiser, K. Rademann:
Formation and stability of antimony and bismuth oxide clusters:
A mass spectrometric investigation,
Int. J. Mass Spectrom. Ion Proc. 167/168, 161 (1997).
B.
Kaiser, T. M. Bernhardt, K. Rademann:
Scattering and deposition of mass-selected antimony clusters,
Nucl. Instrum. and Meth. in Phys. Res. B 125, 223 (1997). DOI:
10.1016/S0168-583X(96)00927-5
T.
M. Bernhardt, B. Kaiser, K. Rademann:
Fragmentation of clusters induced by collision with a solid surface:
comparison of antimony and bismuth cluster ions,
Z. Phys. D 40, 327 (1997). DOI:
10.1007/s004600050219
M.
Kinne, T. M. Bernhardt, B. Kaiser, K. Rademann:
Formation of antimony oxide clusters by gas aggregation,
Z. Phys. D 40, 105 (1997). DOI:
10.1007/s004600050169
1996
T.
M. Bernhardt, B. Kaiser, K. Rademann:
Fragmentation of charged antimony clusters induced by collision
with a solid surface,
Z. Phys. Chem. 195, 273 (1996).
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