Institut für Physikalische Chemie - Abteilung für Molekulare Physikalische Chemie

Publications 2015

Pyrolysis of ethanol: A shock-tube/TOF-MS and modeling study
Johannes Kiecherer, Cornelie Bänsch, Tobias Bentz, Matthias Olzmann
Proc. Combust. Inst. (2015), 35, 465-472, DOI: 10.1016/j.proci.2014.05.086 [abstract ]

Kinetics of the Reactions of Hydroxyl Radicals with Diacetylene and Vinylacetylene
Jörg Sommerer, Matthias Olzmann
Z. Phys. Chem. (2015), 229, 495-505, DOI: 10.1515/zpch-2014-0618 [abstract ]

The reactions of N-methylformamide and N,N-dimethylformamide with OH and their photo-oxidation under atmospheric conditions: experimental and theoretical studies.
Arne-Joakim C. Bunkan, Jens Hetzler, Thomáš Mikoviny, Armin Wisthaler, Claus J. Nielsen, and Matthias Olzmann
Phys. Chem. Chem. Phys. (2015), 17, 7046-7059, Open Access DOI: 10.1039/C4CP05805D [abstract ]

Einfluss der Temperatur in der Nachbrennkammer von Kremationsöfen auf die CO-Konzentration im Abgas
Jörg Bachmann, Johannes Kiecherer, Jörg Sommerer, and Matthias Olzmann
Gefahrstoffe-Reinhaltung der Luft. (2015), 17, 7046-7059, www.gefahrstoffe.de [PDF ]

Thermal Decomposition of NCN: Shock-Tube Study, Quantum Chemical Calculations, and Master-Equation Modeling
Anna Busch, Núria González-García, György Lendvay, and Matthias Olzmann
J. Phys. Chem. A. (2015), 119 (28), 7838-7846, DOI: 10.1021/acs.jpca.5b01347 [abstract ]

Acceleration of Long-Range Photoinduced Electron Transfer through DNA by Hydroxyquinolines as Artificial Base Pairs
Dr. Effi Bätzner, Dr. Yu Liang, Caroline Schweigert, Dr. Andreas-Neil Unterreiner, and Prof. Dr. Hans-Achim Wagenknecht
ChemPhysChem. (2015), 16 (8), 1607-1612, DOI: 10.1002/cphc.201500062 [abstract ]

UV photoexcitation of a dissolved metalloid Ge9 cluster compound and its extensive ultrafast response
M. Klinger, C. Schenk, F. Henke, A. Clayborne, A. Schnepf, A.-N. Unterreiner
Chem. Commun. (2015), 51, 12278-12281, DOI: 10.1039/C5CC04513D [abstract ]

Kinetics of the unimolecular reaction of CH2OO and the bimolecular reactions with the water monomer, acetaldehyde and acetone under atmospheric conditions
Torsten Berndt, Ralf Kaethner, Jens Voigtländer, Frank Stratmann, Mark Pfeifle, Patrick Reichle, Mikko Sipilä, Markku Kulmala, and Matthias Olzmann
Phys. Chem. Chem. Phys. (2015), 17, 19862-19873, DOI: 10.1039/C5CP02224J [abstract ]

Ultrafast Dynamics of o-Nitrophenol: An Experimental and Theoretical Study
Hanna A. Ernst, Thomas J. A. Wolf, Oliver Schalk, Núria González-García, Andrey E. Boguslavskiy, Albert Stolow, Matthias Olzmann, and Andreas-Neil Unterreiner
J. Phys. Chem. A. (2015), 119, 9225-9235, DOI: 10.1021/acs.jpca.5b04900 [abstract ]

Collisional Relaxation of NCN: An Experimental Study with Laser-Induced Fluorescence
Jens Hetzler and Matthias Olzmann
Z. Phys. Chem. (2015), 229, 1503-1519, Open Access DOI: 10.1515/zpch-2015-0673 [abstract ]

Publications 2014

Synthesis and Application of Photolithographically Patternable Deep Blue Emitting Poly(3,6-Dimethoxy-9,9-dialkylsilaflourene)s
Jeffrey J. McDowell, Florian Maier-Flaig, Thomas J. A. Wolf, Andreas-Neil Unterreiner, Uli Lemmer, and Geoffrey Ozin
Appl. Mater. Interfaces (2014), 6, 83-93, DOI: 10.1021/am4025406  [abstract ]

Infrared Detection of Criegee Intermediates Formed during the Ozonolysis of beta-Pinene and Their Reactivity towards Sulfur Dioxide
J. Ahrens, P. T. M. Carlsson, N. Hertl, M. Olzmann, M. Pfeifle, J. L. Wolf,  and T. Zeuch
Angew. Chem. Int. Ed. (2014), 53, 715-719, DOI: 10.1002/anie.201310818  [abstract ]
Angew. Chem. (2014), 126, 733-737, DOI:10.1002/ange.201310818  [abstract ]

Kinetic Analysis of Ethyl Iodide Pyrolysis Based on Shock Tube Measurements
T. Varga, I. Gy. Zsély, T. Turányi, T. Bentz, and M. Olzmann
Int. J. Chem. Kinet. (2014), 46, 295-304, DOI: 10.1002/kin.20829  [abstract ]

Consecutive Chemical Activation Steps in the OH-initiated Atmospheric Degradation of Isoprene: An Analysis with Coupled Master Equations
M. Pfeifle and M. Olzmann
Int. J. Chem. Kinet. (2014), 46, 231-244, DOI: 10.1002/kin.20849  [abstract ]

The Reaction Rates of O2 with Closed-Shell and Open-Shell Alx- and Gax- Clusters under Single-Collision Conditions: Experimental and Theoretical Investigations toward a Generally Valid Model for the Hindered Reactions of O2 with Metal Atom Clusters
Marco Neumaier, Matthias Olzmann, Boggavarapu Kiran, Kit H. Bowen, Bryan Eichhorn, Sarah T. Stokes, Angela Buonaugurio, Ralf Burgert, and Hansgeorg Schnöckel
J. Am. Chem. Soc. (2014), 139 (9), 3607-3616, DOI: 10.1021/ja4125548  [abstract ]

Hexamethylcyclopentadiene: A test case for the combination of time-resolved photoelectron spectroscopy and ab initio multiple spawning simulations
Thomas Jacob Arcangelo Wolf, Thomas Scheby Kuhlman, Oliver Schalk, Todd J. Martínez, Klaus B. Moller, Albert Stolow, and Andreas Unterreiner
Phys. Chem. Chem. Phys. (2014), 16, 11770-11779, DOI: 10.1039/c4cp00977k  [abstract ]

Studying the polymerization initiation efficiency of acetophenone-type initiators via PLP-ESI-MS and femtosecond spectroscopy
Elena Frick, Hanna A. Ernst, Dominik Voll, Thomas J. A. Wolf, Andreas-Neil Unterreiner, and Christopher Barner-Kowollik
Polymer Chemistry (2014), 5, 5053-5068, DOI: 10.1039/c4py00418c [abstract ]

Unraveling the influence of Lanthanide Ions on Intra- and Inter-Molecular Electronic Processes in Fe10Ln10 Nano-Toruses
Amer Baniodeh, Yu Liang, Christopher A. Anson, Nicola Magnani, Annie K. Powell, Andreas-Neil Unterreiner, Simon Seyfferle, Michael Slota, Martin Dressel, Lapo Bogani, and Karin Goß
Advanced Functional Materials (2014), 24 (40), 6280-6290, DOI: 10.1002/adfm.201400336 [abstract ]

Time-resolved photoelectron spectroscopy and ab initio multiple spawning studies of hexamethylcyclopentadiene
T.J.A. Wolf, T.S. Kuhlmann, O. Schalk, T.J. Martínez, K.B. Møller, A. Stolow, A.N. Unterreiner
International Conference on Ultrafast Phenomena (2014), 000-000, DOI: 10.1364/UP.2014.07.Mon.B.5 [abstract ]

Publications 2013

On Ligand Binding Energies in Porphyrinic Systems
Oliver Schalk, Yu Liang, and Andreas-Neil Unterreiner
Z. Phys. Chem. 227 (2013), 35-47, DOI: 10.1524/zpch.2012.0238 [abstract]

The reaction of 2,5-dimethylfuran with hydrogen atoms - An experimental and theoretical study
Philipp Friese, John H. Simmie, and Matthias Olzmann
Proc. Combust. Inst. (2013), 34, 233-239, DOI: 10.1016/j.proci.2012.05.075 [abstract]

Ultrafast photoinduced dynamics of halogenated cyclopentadienes: Observation of geminate charge-transfer complexes in solution
Thomas Jakob Archangelo Wolf, Oliver Schalk, Ronja Radloff, Guorong Wu, Peter Lang, Albert Stolow, and Andreas-Neil Unterreiner
Phys. Chem. Chem. Phys. (2013), 15, 6673-6683, DOI: 10.1039/C3CP44295K [abstract]

The interplay of different relaxation channels in the excited state dynamics of photoinitiators
T. J. A. Wolf, J. Fischer, D. Voll, M. Wegener, C. Barner-Kowollik, and A.-N. Unterreiner
EPJ Web of Conferences (2013), 41, 05008, DOI: 10.1051/epjconf/20134105008 [abstract]

Transient Anisotropy in Degenerate Systems: Experimental Observations in a Cd-porphyrin
Y. Liang, O. Schalk, and A.-N. Unterreiner
EPJ Web of Conferences (2013), 41, 05014, DOI: 10.1051/epjconf/20134105014 [abstract]

Fluorescence Quenching over Short Range in a Donor-DNA-Acceptor System
Dr. Thomas Ehrenschwender, Dr. Yu Liang, Dr. Andreas-Neil Unterreiner, Prof. Dr. Hans-Achim Wagenknecht, Dr. Thomas J. A. Wolf
ChemPhysChem (2013), 14, 1197-1204, DOI: 10.1002/cphc.201200924 [abstract]

Electron tunneling from electronically excited states of isolated bisdisulizole-derived trianion chromophores following UV absorption
Marc-Oliver Winghart, Ji-Ping Yang, Michael Kühn, Andreas-Neil Unterreiner, Thomas J. A. Wolf, Phuong D. Dao, Hong-Tao Liu, Dao-Ling Huang, Wim Klopper, Lai-Sheng Wang, and Manfred Kappes
Phys. Chem. Chem. Phys. (2013), 15, 6726-6736, DOI: 10.1039/C3CP50497B [abstract]

Statistical Rate Theory in Combustion - An Operational Approach
M. Olzmann in:
Development of detailed chemical kinetic models for cleaner combustion (Ed. F. Battin-Leclerc, E. Blurock, J. Simmie) Springer 2013, p.549-576 DOI: 10.1007/978-1-4471-5307-8_21

Ultrafast Dynamics of meso-Tetraphenylmetalloporphyrins: The Role of Dark States
Dr. Yu Liang, Maximillian Bradler, Dr. Melanie Klinger, Dr. Oliver Schalk, Mihaela Carmen Balaban, Prof. Dr. Teodor Silviu Balaban, Prof. Dr. Eberhard Riedle, Dr. Andreas-Neil Unterreiner
ChemPlusChem (2013), 78 (10), 1244-1251, DOI: 10.1002/cplu.201300143 [abstract]

The Reaction of Dimethyl Ether with Hydroxyl Radicals - Kinetic Isostope Effect and Pre-reactive Complex Formation
Cornelie Bänsch, Johannes Kiecherer, Milan Szöri, Matthias Olzmann
J. Phys. Chem. (2013), 117 (35), 8343-8351, DOI: 10.1021/jp405714a [abstract]

Substituent Effects on Dynamics at Conical Intersections: Cycloheptatrienes
Oliver Schalk, Andrey E. Boguslavskiy, Michael S. Schuurman, Rasmus Y. Brogaard, Andreas-Neil Unterreiner, Anna Wrona-Piotrowicz, Nick H. Werstiuk, and Albert Stolow
J. Phys. Chem. A(2013), 117 (40), 10239-10247, DOI: 10.1021/jp309875m [abstract]

Three-dimensional multi-photon direct laser writing with variable repetition rate
Joachim Fischer, Johnathan B. Mueller, Johannes Kaschke, Thomas J.A. Wolf, Andreas-Neil Unterreiner, and Martin Wegener
Optics Express (2013), 21 (22), 26244-26260, DOI: 10.1364/OE.21.026244 [abstract]

On the origin of high transient anisotropies: An exemplification in a Cd-porphyrin
Yu Liang, Melanie Klinger, Oliver Schalk, and Andreas-Neil Unterreiner
J. Chem. Phys. (2013), 139, 224309, DOI: 10.1063/1.4840415 [abstract]

Publications 2012

Elucidating the Early Steps in Photoinitiated Radical Polymerization via Femtosecond Pump-Probe Experiments and DFT Calculations
Thomas J. A. Wolf, Dominik Voll, Christopher Barner-Kowollik, and Andreas-Neil Unterreiner
Macromolecules (2012), 45, 2257-2266, DOI: 10.1021/ma202673q    [abstract]

Kinetics of the NCN + NO Reaction Over a Broad Temperature and Pressure Range
Oliver Welz and Matthias Olzmann
J. Phys. Chem. A. (2012), 116, 7293-7301, DOI: 10.1021/jp303069g    [abstract]

Resonant tunneling through the repulsive Coulomb barrier of a quadruply charged molecular anion
Phuong Diem Dau, Hong-Tao Liu, Ji-Ping Yang, Marc-Oliver Winghart, Thomas J. A. Wolf, Andreas-Neil Unterreiner, Patrick Weis, Yu-Run Mioa, Chuan-Gang Ning, Manfred M. Kappes, and Lai-Sheng Wang
Phys. Rev. A (2012), 85, 064503, DOI: 10.1103/PhysRevA.85.064503    [abstract]

Publications 2011

The reaction of iso-propyl radicals with oxygen atoms - rate coefficient, product branching, and relevance for combustion modeling
K. Hoyermann, M. Olzmann, O. Welz, T. Zeuch
Proc. Combust. Inst. (2011), 33, 283-291, DOI: 10.1016/j.proci.2010.05.075    [abstract]

High-temperature kinetics of propyne and allene: Decomposition vs. isomerization
B. R. Giri, R. X. Fernandes, T. Bentz, H. Hippler, M. Olzmann
Proc. Combust. Inst. (2011), 33, 267-272, DOI: 10.1016/j.proci.2010.05.072    [abstract]

Experimental and Theoretical Investigation of the Kinetics of the Reaction of Atomic Chlorine with 1,4-Dioxane
B. R. Giri, J. M. Roscoe, N. Gonzáles-García, M. Olzmann, J. M. H. Lo, R. A. Marriot
J. Phys. Chem. A(2011), 115, 5105-5111, DOI: 10.1021/jp201803g    [abstract]

The phenyl + phenyl reaction as pathway to benzynes : An experimental and theoretical study
S. H. Dürrstein, M. Olzmann, J. Aguilera-Iparraguirre, R. Barthel, W. Klopper
Chem. Phys. Lett. (2011), 513, 20-26, DOI: 10.1016/j.cplett.2011.07.050    [abstract]

Pump-probe spectroscopy on photoinitiators for stimulated-emission-depletion optical lithography
Thomas J. A. Wolf, Joachim Fischer, Martin Wegener, Andreas-Neil Unterreiner
Opt. Lett. (2011), 36, 3188-3190, DOI: 10.1364/OL.36.003188    [abstract]

Transient anisotropy in degenerate systems: A semi-classical approach
Oliver Schalk, Andreas-Neil Unterreiner
Z. Phys. Chem. (2011), 225, 927-938, DOI: 10.1524/zpch.2011.0133    [abstract]

Relaxation dynamics of Electronically Excited C60- in o-Dichlorobenzene and Tetrahydrofuran Solution
Helge Brands, O. T. Ehrler, M. Kappes, Andreas-Neil Unterreiner
Z. Phys. Chem. (2011), 225, 939-956, DOI: 10.1524/zpch.2011.0137    [abstract]

Pyrolysis of Ethyl Iodide as Hydrogen Atom Source: Kinetics and Mechanism in the Temperature Range 950 - 1200 K
Tobias Bentz, Milan Szõri, Bela Viskolcz, Matthias Olzmann
Z. Phys. Chem. (2011), 225, 1117-1128, DOI: 10.1524/zpch.2011.0178    [abstract]

Ultrafast Dynamics of the First Excited State of Quasi Monodispersed Single-Walled (9,7) Carbon Nonotubes
Frank Hennrich, Manfred M. Kappes, Melanie Klinger, Andreas-Neil Unterreiner
J. Phys. Chem. C (2011), 115, 23711-23717, DOI: 10.1021/jp2075176    [abstract]

Novel Lanthanide-Based Polymeric Chains and Corresponding Ultrafast Dynamics in Solution
Dominique T. Thielemann, Melanie Klinger, Thomas J. A. Wolf, Yanhua Lan, Wolfgang Wernsdorfer, Madleen Busse, Peter W. Roesky, Andreas-Neil Unterreiner, Annie K. Powell, Peter C. Junk, Glen B. Deacon
Inorg. Chem. (2011), 50, 11990-12000, DOI: 10.1021/ic201157m    [abstract]

Competing Channels in the Propene + OH Reaction: Experiment and Validated Modelling over a Broad Temperature and Pressure Range
Claudia Kappler, Judit Zádor, Oliver Welz, Ravi X. Fernandez, Matthias Olzmann, Craig A. Taatjes
Z. Phys. Chem (2011), 225, 1-21, DOI: 10.1524/zpch.2011.0165    [abstract]

Publications 2010

Kinetics of the chemically activated HSO5 radical under atmospheric conditions - a master-equation study
N. González-Garcia, M. Olzmann
Phys. Chem. Chem. Phys. (2010), 12, 12290-12298, DOI: 10.1039/c0cp00284d    [abstract]

Rate coefficients for cycloalkyl + O reactions and product branching in the decomposition of chemically activated cycloalkoxy radicals: an experimental and theoretical study
K. Hoyermann, S. Maarfeld, F. Nacke, J. Nothdurft, M. Olzmann, J. Wehmeyer, O. Welz, T. Zeuch
Phys. Chem. Chem. Phys. (2010), 12, 8953-8967, DOI: 10.1039/B925920A     [abstract]

Reactions of the Metalloid Cluster Anion {Ge9[Si(SiMe3)3]3}- in the Gas Phase. Oxidation- and Reduction-Steps give an Insight onto the Area between Metalloid Clusters and Zintl Ions
C. Schenk, F. Henke, M. Neumaier, M. Olzmann, H. Schnöckel, A. Schnepf
Z. Anorg. Allg. Chem. (2010), 636, 1173-1182 DOI: 10.1002/zaac.201000034     [abstract]

The influence of rotational diffusion on transient anisotropy in ultrafast experiments
O. Schalk, A.-N. Unterreiner
Phys. Chem. Chem. Phys. (2010), 12, 655-666, DOI: 10.1039/b913360g     [abstract]

Photochemical processes in ionic liquids on ultrafast timescales
C. Nese, A.-N. Unterreiner
Phys. Chem. Chem. Phys. (2010), 12, 1698-1708, DOI: 10.1039/b916799b     [abstract]

Experimental and Theoretical Analysis of the Kinetics of the Reaction of Atomic Bromine with 1,4-Dioxane
B. Giri, J.M. Roscoe, N. González-García, M. Olzmann
J. Phys. Chem. (2010), 114, 291-298, DOI: 10.1063/1.3257684     [abstract]

Publications 2009

On the kinetics of the Al13- + Cl2 reaction: Cluster degradation in consecutive steps
M. Olzmann, R. Bugert, H. Schnöckel
J. Chem. Phys. (2009), 131, 174304, DOI: 10.1063/1.3257684     [abstract]

Vibrational cooling in the liquid phase studied by ultrafast investigations of cycloheptatriene
O. Schalk, J.-P. Yang, A. Hertwig, H. Hippler, A.-N. Unterreiner
Mol. Phys. (2009), 107 (20), 2159, DOI: 10.1080/00268970903193010     [abstract]

Photodissociation dynamics of IrBr62- dianions by time-resolved photoelectron spectroscopy
Ch. Rensing, O.T. Ehrler, J.-P. Yang, A.-N. Unterreiner, M. Kappes
J. Chem. Phys. (2009), 130, 234306, DOI: 10.1063/1.3148377     [abstract]

Shock-Tube Study of the Reactions of Hydrogen Atoms with Benzene and Phenyl Radicals
B.R.Giri, T. Bentz, H. Hippler, M. Olzmann
Z. Phys. Chem. (2009), 223, 539-549, DOI: 10.1524/zpch.2009.6036     [abstract]

The reaction of allyl radicals with oxygen atoms - rate coefficient and product branching
K. Hoyermann, F. Nacke, J. Nothdurft, M. Olzmann, J. Wehmeyer, T. Zeuch
Proc. Comb. Inst. (2009), 32, 157-164, DOI: 10.1021/jp804861z     [abstract]

Thermochemistry of the HOSO2+O2 association reaction and enthalpy of formation of HOSO4: A quantum chemical study
N.González-García, W. Klopper, M. Olzmann
Chem. Phys. Lett. (2009), 470, 59, DOI: 10.1016/j.cplett.2009.01.045     [abstract]

Publications 2008

Femtosecond spectroscopy of solvated electrons from sodium-ammonia-d3 solutions: Temperature jump versus local density jump
J. Lindner, A.-N. Unterreiner, P. Vöhringer
J. Chem. Phys. (2008), 129, 064514, DOI: 10.1021/jp804861z     [abstract]

Femtosecond UV Excitation in Imidazolium-Based Ionic Liquids
N. Chandrasekhar, O. Schalk, A.-N. Unterreiner
J. Phys. Chem. B (2008), 112, 15718-15724, DOI: 10.1021/jp804861z     [abstract]

Heat of formation of the HOSO2 radical from accurate quantum chemical calculations
W. Klopper, D.P. Tew, N. González-García, M. Olzmann
J. Chem. Phys. (2008), 129, 114308, DOI: 10.1063/1.2973637     [abstract]

HCO formation in the thermal unimolecular decomposition of glyoxal: rotational and weak collsion effects
G. Friedrichs, M. Colberg, J. Dammeier, T. Bentz, M. Olzmann
Phys. Chem. Chem. Phys. (2008), 10, 6520, DOI: 10.1039/b809992h     [abstract]

Shock-Tube Study of the Thermal Decomposition of CH3CHO and CH3CHO + H Reaction
T. Bentz, F. Striebel, M. Olzmann
J. Phys. Chem. A (2008), 112, 6120-6124, DOI: 10.1021/jp802030z     [abstract]

Near-Infrared Excitation of the Q-band in Free Base and Zinc Tetratolyl-porphyrins
O. Schalk, H. Brands, T.S. Balaban, A.-N. Unterreiner
J. Phys. Chem. A (2008), 112, 1719-1729, DOI: 10.1021/jp075907z     [abstract]

On the thermal unimolecular decomposition of the cyclohexoxy radical—an experimental and theoretical study
O. Welz, F. Striebel, M. Olzmann
Phys. Chem. Chem. Phys. (2008), 10, 320-329, DOI: 10.1039/b713286g     [abstract]

Publications 2007

Femtosecond Transient Absorption Spectroscopy of Single-Walled Carbon Nanotubes and Their Ultrafast Optical Switching Behavior
J.-P. Yang, M.M. Kappes, H. Hippler, A.-N. Unterreiner
Solid State Phenomena (2007), 121-123, 905-908

Excited state dynamics of metastable phthalocyanine-tetrasulfonate tetra-anions probed by pump/probe photoelectron spectroscopy
O.T. Ehrler, J.-P. Yang, A.B. Sugiharto, A.-N. Unterreiner, M.M. Kappes
J. Chem. Phys. (2007), 127, 184301, DOI: 10.1063/1.2780842     [abstract]

Time-resolved polaron dynamics in molten solutions of cesium-doped cesium iodide
N. Chandrasekhar, A.-N. Unterreiner
J. Chem. Phys. (2007), 127, 184508, DOI: 10.1063/1.2795726     [abstract]

Ga24Br18Se2: A Highly Symmetrical Metalloid Cluster and Its One-Dimensional Arrangement in the Crystalline State as a Model for the Photoconductivity of Solid GaSe
Jens Hartig, Frederik Klöwer, Julia Rinck, Andreas-Neil Unterreiner, and Hansgeorg Schnöckel
Angew. Chem. Int. Ed. (2007), 46, 6549, DOI: 10.1002/anie.200701986     [abstract]

Femtosecond Transient Absorption Spectroscopy of Single-Walled Carbon Nanotubes and Their Ultrafast Optical Switching Behavior
J.-P. Yang, M.M. Kappes, H. Hippler, and A.-N. Unterreiner
Solid State Phenomena (2007), 121, 905     [abstract]

Ultrafast Relaxation Dynamics of Perchlorinated Cycloheptatriene in Solution
O. Schalk, A.-N. Unterreiner
J. Phys. Chem. A (2007), 111 (17), 3231, DOI: 10.1021/jp066193f     [abstract]

Ultrafast Dynamics of Room Temperature Ionic Liquids after Ultraviolet Femtosecond Excitation
H. Brands, N. Chandrasekhar, A.-N. Unterreiner
J. Phys. Chem. B (2007), 111 (18), 4830, DOI: 10.1021/jp067163f     [abstract]

Reaction of Hydrogen Atoms with Propyne at High Temperatures: An Experimental and Theoretical Study
Tobias Bentz, Binod R. Giri, Horst Hippler, Matthias Olzmann, Frank Striebel, and Milan Szöri
J. Phys. Chem. A (2007), 111 (19), 3812, DOI: 10.1021/jp070833c     [abstract]

Publications 2006

Relaxation Dynamics upon Ultrashort UV Photo-Excitation of an Iodide Doped Ionic Liquid and of a Pure Lithium Iodide Melt
N. Chandrasekhar, A.-N. Unterreiner
Z. Phys. Chem. (2006), 220 (10), 1235. [abstract]

One-photon photodetachment of I- in glycerol: Spectra and yield of solvated electrons in the temperature range 329≤T≤536K
N. Chandrasekhar, P. Krebs, Andreas-N. Unterreiner
J. Chem. Phys. (2006), 125, 164512. [abstract]

Femtosecond pump/probe photoelectron spectroscopy of isolated C60 negative ions
Oli T. Ehrler, Ji Ping Yang, Christof Hättig, Andreas-N. Unterreiner, Horst Hippler, Manfred M. Kappes
J. Chem. Phys. (2006), 125, 074312-1 - 074312-5. [abstract]

Ultrafast dynamics of excess electrons in molten salts: Part III. Evidence for laser-induced formation of solvated electrons in room temperature ionic liquids
N. Chandrasekhar, F. Endres and A.-N. Unterreiner
Phys. Chem. Chem. Phys (2006), 8, 3192-3196. [abstract]

Accurate computational determination of the binding energy of the SO3 · H2O complex
H. Fliegl, A. Glöß, O. Welz, M. Olzmann, W. Klopper
J. Chem. Phys. (2006), 125, 054312. [abstract]

Reaction of OH + NO2: High Pressure Experiments and Falloff Analysis
Horst Hippler, Nikolina Krasteva, Steffen Nasterlack, and Frank Striebel
J. Phys. Chem. A (2006), 110 (21), 6781-6788. [abstract]

Femtosecond Relaxation Dynamics of Solvated Electrons in Liquid Ammonia
J. Lindner, A.-N. Unterreiner, P. Vöhringer
Chem. Phys. Chem. (2006), 7, 363-369. [abstract]

Formation and Decomposition of Chemically Activated Cyclopentoxy Radicals from the c-C5H9 + O Reaction
K. Hoyermann, J. Nothdurft, M. Olzmann, J. Wehmeyer, T. Zeuch
J. Phys. Chem. A (2006), 110, 3165-3173. [abstract]

Rate Coefficients and Equilibrium Constant for the CH2CHO + O2 Reaction System
E. Delbos, C. Fittschen, H. Hippler, N. Krasteva, M. Olzmann, B. Viskolcz
J. Phys. Chem. A (2006), 110, 3238-3245. [abstract]

The Chlorination of the [Al13]- Cluster and the Stepwise Formation of its Intermediate Products [Al11]-, [Al9]-, and [Al7]-: A Model Reaction for the Oxidation of Metals?
R. Burgert, H. Schnöckel, M. Olzmann, K. H. Bowen, Jr
Angew. Chem. Int. Ed. (2006), 45, 1476-1479; Angew. Chem. (2006), 118, 1505-1508. [abstract]

Publications 2005

Ultrafast dynamics of excess electrons in molten salts: Part II. Femtosecond investigations of Na-NaBr and Na-NaI melts
H. Brands,N. Chandrasekhar, H. Hippler, A.-N. Unterreiner
Phys. Chem. Chem. Phys. (2005), 7, 3963-3969. [abstract]

Reply to the Comment on The thermal unimolecular decomposition of HCO: effects of state specific rate constants on the thermal rate constant by L. N. Krasnoperov
H. Hippler, N. Krasteva, F. Striebel
Phys. Chem. Chem. Phys. (2005), 7, 2077-2079. [abstract]

Pump-probe spectroscopy of cycloheptatriene: Transient anisotropy and isotope effect
H. Hippler, M. Olzmann, O. Schalk, A.-N. Unterreiner
Z. Phys. Chem. (2005), 3, 389-398. [abstract]

Shock Wave Study on the Thermal Unimolecular Decomposition of Allyl Radicals
Ravi X. Fernandes, Binod Raj Giri, Horst Hippler, Chatuna Kachiani, Frank Striebel
J. Phys. Chem. A (2005), 109,1063-1070. [abstract]

Femtosecond transient absorption spectroscopy of single-walled carbon nanotubes in aqueous surfactant suspensions: Determination of the lifetime of the lowest excited state
J.-P. Yang, M.M. Kappes, H. Hippler, A.-N. Unterreiner
Phys. Chem. Chem. Phys. (2005), 7,512-517. [abstract]

The Rates of the Elementary Reactions of NH(a1Δ) with NH3(X~) and HN3(X~). The Temperature Dependences
L. Adam,W. Hack, M. Olzmann
Z. Phys. Chem. (2005), 219, 197-211. [abstract]

Determination of the rate coefficient for the C3H3 + C3H3 reaction at high tempreatures by shock-tube investigations
R. X. Fernandes, H. Hippler, M. Olzmann
Proc. Combust. Inst. (2005), 30, 1033-1038.

The reactions of the branched alkyl radicals iso-butyl and neo-pentyl with oxygen atoms - an experimental and theoretical study
W. Hack, K. Hoyermann, M. Olzmann, B. Viskolcz, J. Wehmeyer, T. Zeuch
Proc. Combust. Inst. (2005), 30, 1005-1013.

Publications 2004

The thermal unimolecular decomposition of HCO: effects of state specific rate constants on the thermal rate constant
H. Hippler, N. Krasteva, F. Striebel
Phys. Chem. Chem. Phys. (2004), 6, 3383-3388. [abstract]

The four isotopomer reactions of NH(a) and ND(a) with NH3(X~) and ND3(X~)
L. Adam, W. Hack, M. Olzmann
Z. Phys. Chem. (2004), 218 (4), 439 - 455. [abstract]

Gas-phase kinetics of the reactions of the CH2F radicals with the radicals CHF2, CH3, and C2H5
T. Beiderhase, K. Hoyermann, J. Nothdurft, M. Olzmann
Z. Phys. Chem. (2004), 218 (4), 493 - 510. [abstract]

Femtosecond dynamics of excess electrons in a molten Na-NaBr system
H. Brands, N. Chandrasekhar, H. Hippler, A.-N. Unterreiner
Femtochemistry and Femtobiology (2004), 249 - 253.

Evidence of ultrafast optical switching behaviour in individual single-walled carbon nanotubes
H. Hippler, A.-N. Unterreiner, J.-P. Yang, S. Lebedkin, M. M. Kappes
Phys. Chem. Chem. Phys. (2004), 6, 2387 - 2390. [abstract]

Publications 2003

Ultrafast dynamics of excess electrons in a molten salt: Femtosecond investigation of K-KCl melts.
S. Dogel, W. Freyland, H. Hippler, D. Nattland, C. Nese, A.-N. Unterreiner
Phys. Chem. Chem. Phys. (2003), 5(14), 2934-2937. [Abstract]

The rate coefficient of the C3H3 + C3H3 reaction from UV absorption measurements after photolysis of dipropargyl oxalate.
B. R. Giri, H. Hippler, M. Olzmann, A.-N. Unterreiner
Phys. Chem. Chem. Phys. (2003), 5(20), 4641-4646. [Abstract]

Publications 2002

Ultrafast relaxation dynamics of the solvated electron in liquid ammonia.
A.-N. Unterreiner, J. Lindner, P. Voehringer
Trends in Optics and Photonics (2002), 72(Thirteenth International Conference on Ultrafast Phenomena, 2002), 424-425.

Ultrafast Dephasing of Photoexcited Polarons in Primary Doped Polyaniline.
J. Kim, A.-N. Unterreiner, S. Rane, S. Park, J. Jureller, L. Book, Y.-H. Liau, N. F. Scherer
J. Phys. Chem. B (2002), 106(50), 12866-12873. [abstract]

Temperature-dependent studies of solvated electrons in liquid water with two and three femtosecond pulse sequences.
A. Hertwig, H. Hippler, A.-N. Unterreiner
Phys. Chem. Chem. Phys. (2002), 4(18), 4412-4419. [abstract]

Ultrafast dynamics of solvated electrons in liquid ammonia solutions.
A.-N. Unterreiner, J. Lindner, P. Voehringer
Femtochemistry and Femtobiology: Ultrafast Dynamics in Molecular Science, [Conference], Toledo, Spain, Sept. 2-6, 2001 (2002), Meeting Date 2001, 261-269.

Mechanisms and rates of the reactions C2H5 + O and 1-C3H7 + O.
W. Hack, K. Hoyermann, M. Olzmann, T. Zeuch
Proc. Combust. Inst. (2002), 29, 1247-1255.

On the role of bimolecular reactions in chemical activation systems.
M. Olzmann
Phys. Chem. Chem. Phys. (2002), 4(15), 3614-3618. [abstract]

Collisional energy transfer in CH3 radical decomposition-experiment versus theory.
E. Goos, H. Hippler, C. Kachiani, H. Svedung
Phys. Chem. Chem. Phys. (2002), 4(18), 4372-4378. [abstract]

The pyrolysis of 2-, 3-, and 4-methylbenzyl radicals behind shock waves.
R. X. Fernandes, A. Gebert, H. Hippler
Proc. Combust. Inst. (2002), 29, 1337-1343.

Competition between alkyl radical addition to carbonyl bonds and H-atom abstraction reactions.
H. Hippler, B. Viskolcz
Phys. Chem. Chem. Phys. (2002), 4(19), 4663-4668. [abstract]

Temperature-dependent studies of solvated electrons in liquid water with two and three femtosecond pulse sequences.
A. Hertwig, H. Hippler, A.-N. Unterreiner
Phys. Chem. Chem. Phys. (2002), 4(18), 4412-4419. [abstract]

Incubation times, fall-off and branching ratios in the thermal decomposition of toluene: Experiments and theory.
R. A. Eng, A. Gebert, E. Goos, H. Hippler, C. Kachiani
Phys. Chem. Chem. Phys. (2002), 4(16), 3989-3996. [abstract].

Reaction of OH + NO2 + M: Kinetic evidence of isomer formation.
H. Hippler, S. Nasterlack, F. Striebel
Phys. Chem. Chem. Phys. (2002), 4(13), 2959-2964. [abstract]

Laser powered homogeneous pyrolysis of ethyne, propyne, and propadiene initiated by methyl radicals: formation and degradation of hydrocarbons at 800-950 K.
E. Goos, H. Hippler, K. Hoyermann, B. Juerges
Phys. Chem. Chem. Phys. (2002), 4(11), 2011-2018. [abstract]

Publications 2001

Ultrafast Dephasing of Single Nanoparticles Studied by Two-Pulse Second-Order Interferometry.
Y.-H. Liau, A.-N. Unterreiner, Q. Chang, N. F. Scherer
J. Phys. Chem. B (2001), 105(11), 2135-2142. [abstract]

Mechanism of the 1-C4H9 + O reaction and the kinetics of the intermediate 1-C4H9O radical.
W. Hack, K. Hoyermann, C. Kersten, M. Olzmann, B. Viskolcz
Phys. Chem. Phys. Chem. (2001), 3(12),2365-2371 [abstract]

Reactions of methyl radicals with propene at temperatures between 750 and 1000 K.
E. Goos, H. Hippler, K. Hoyermann, B. Juerges
Faraday Discussions (2001), 119, 243-253.

Reactions of methyl radicals with isobutane at temperatures between 800 and 950 kelvin.
E. Goos, H. Hippler, K. Hoyermann, B. Jurges
Int. J. Chem. Kin. (2001), 33(11), 732-740. [abstract]

A detailed experimental and theoretical study on the decomposition of methoxy radicals.
H. Hippler, F. Striebel, B. Viskolcz
Phys. Chem. Phys. Chem. (2001), 3(12), 2450-2458. [abstract]

Branching ratios and incubation times in the thermal decomposition of methyl radicals: Experiments and theory.
R. A. Eng, A. Gebert, E. Goos, H. Hippler, C. Kachiani
Phys. Chem. Phys. Chem. (2001), 3(12), 2258-2267. [abstract]

Publications 2000

Is there any correlation between the mobility and the absorption spectra of solvated electrons in polar solvents?
P. Krebs
Z. Phys. Chem. (2000), 214(10), 1337-1348. [abstract]

The spectra and the relative yield of solvated electrons produced by resonant photodetachment of iodide anion in ethylene glycol in the temperature range 296 < T < 453 K.
N. Chandrasekhar, P. Krebs
J. Chem. Phys. (2000), 112(13), 5910-5914. [abstract]

Direct observation of the rate of H-atom formation in the thermal decomposition of Ortho-, Meta-, and Para-xylene behind shock waves between 1300 and 1800 K.
I. Da Costa, R. A. Eng, A. Gebert, H. Hippler
Proc. Combust. Inst. (2000), 28, 1537-1543.

Ultrafast dynamics of solvated electrons in polar liquids.
A. Hertwig, H. Hippler, A. N. Unterreiner
J. Phys. (Cond. Matt.) (2000), 12(8A), A165-A171. [abstract]

Reply to the 'Comment on "Direct time-resolved UV-absorption study on the ultrafast internal conversion of cycloheptatriene in solution''' by S. A. Trushin, W. Fuss and W. E. Schmid, Phys. Chem. Chem. Phys., 2000, 2, 1435.
A. Hertwig, H. Hippler, A. N. Unterreiner
Phys. Chem. Phys. Chem. (2000), 2(7), 1437-1438. [abstract]

Laser powered homogeneous pyrolysis of butane initiated by methyl radicals in a quasi-wall-free reactor at 750-1000 K.
E. Goos, H. Hippler, K. Hoyermann, B. Jurges
Phys. Chem. Phys. Chem. (2000), 2(22), 5127-5132. [abstract]

A saturated LIF study on the high pressure limiting rate constant of the reaction CN + NO + M --> NCNO + M between 200 and 600 K.
J. G. Reznickova, H. Hippler, F. Striebel, L. Tevzadze
Z. Phys. Chem. (2000), 214(8), 1115-1136. [abstract]

Addition complex formation vs. direct abstraction in the OH + C2H4 reaction.
H. Hippler, B. Viskolcz
Phys. Chem. Phys. Chem. (2000), 2(16), 3591-3596. [abstract]

The OH-yield in the reaction of O(1D) + CH4 under high pressure conditions up to 560 bar helium.
F. Ausfelder, H. Hippler, F. Striebel
Z. Phys. Chem. (2000), 214(4), 403-417. [abstract]

The β C-C bond scission in alkoxy radicals: thermal unimolecular decomposition of t-butoxy radicals.
C. Fittschen, H. Hippler, B. Viskolcz
Phys. Chem. Phys. Chem. (2000), 2(8), 1677-1683. [abstract]

Gas-phase kinetics of the self reactions of the radicals CH2F and CHF2.
T. Beiderhase, W. Hack, K. Hoyermann, M. Olzmann
Z. Phys. Chem. (2000), 214(5), 625-641. [abstract]