Ole John Nielsen

Department of Chemistry

University of Copenhagen

Universitetparken 5

2100 Copehagen Ø


Phone +45 35320331

Fax: +45 35350609

Email: [email protected]


Currently employed as research professor in atmospheric chemistry. Previously employed 21 years with Risø National Laboratory and 1½ years with Ford Motor Company. MSc from the University of Copenhagen (UoC) in 1978 in spectroscopy and PhD from UoC in 1984 in atmospheric chemistry. Teaching atmospheric environmental chemistry (atmosfærisk miljøkemi)


Research Interests:


Laboratory investigations of reactions of relevance to atmospheric chemistry.

Atmospheric particulates

Global change


Recent publications:


137.Ole John Nielsen, B.F. Scott, C. Spencer, T.J. Wallington, J.C. Ball: "Trifluoroacetic acid in ancient freshwater". Atmospheric Environment, 35, (2001) 2799.

138.M.P.S. Andersen, D.A. Ponomarev, O.J. Nielsen, M.D. Hurley and T.J. Wallington: "Kinetics and Mechanisms of the gas phase reaction of Cl atoms with iodobenzene". Chem. Phys. Lett., 350 (2001) 423

139.T.J. Wallington, J.Srinivasan, O.J. Nielsen and E.J. Highwood: "Greenhouse gasses and global warming". UNESCO report, in press (2002).

140.Ole John Nielsen: "More on global warming?" Chemical Innovation December (2001), 66-67.

141.Ole John Nielsen*, Flemming Nicolaisen, Camilla Bacher Michael D. Hurley, Timothy J. Wallington, Keith P. Shine: "Infrared Spectrum and Global Warming Potential of SF5CF3". Atm. Env. 36 (2002) 1237.

142.Ole John Nielsen, Matthew S. Johnson, Timothy J. Wallington, Lene K. Christensen and Jesper Platz: " UV absorption spectra of HO2, CH3O2, C2H5O2 and CH3C(O)CH2O2 radicals and mechanism of the reactions of F and Cl atoms with CH3C(O)CH3". Int. J. Chem. Kinet.,  34 (2002) 283.

143.B. Klotz, R. Volkamer, M.D. Hurley, M.P.S. Andersen, O.J. Nielsen, I. Barnes, T. Imamura, K. Wirtz, K.H. Becker, U. Platt, T.J. Wallington and N. Washida: "OH-Initiated Oxidation of Benzene: II. Influence of Elevated NOx Concentrations". Accepted PCCP (2002).

144.M. P. Sulbaek Andersen, O.J. Nielsen, M.D. Hurley and T.J. Wallington: "Kinetics and Mechanism of the Gas Phase Reaction of Cl Atoms and OH Radicals with Fluorobenzene at 296 K", Accepted J. Phys. Chem. A (2002).

145.T. Rosenørn, J. Mønster, O.J. Nielsen, M.S. Johnson: " Knudsen cell construction, validation and studies of the uptake of oxygenated fuel additives on soot". Environmental Science and Pollution Research 1 (2002) 63.

146.Dorte Lerche , Peter B. Sørensen, Henrik Søren Larsen, Lars Carlsen, and Ole John Nielsen: “Comparison of the Combined Monitoring-based and Modelling-based Priority Setting Scheme (COMMPS) with Partial Order Theory and Random Linear Extensions for Ranking of Chemical Substances”, Chemosphere accepted (2002).

147.M. Sørensen, M. D. Hurley, T. J. Wallington, T. S. Dibble, O. J. Nielsen: “Do aerosols act as catalysts in the OH radical initiated atmospheric oxidation of volatile organic compounds?”. Atmospheric Environment submitted (2002).

148.M. S. Johnson, K. L. Feilberg, P. von Hessberg, O. J. Nielsen: “Isotopic Processes in Atmospheric Chemistry”,  Chem. Soc. Rev., Accepted (2002).

149.M. Sørensen, M. D. Hurley, T. J. Wallington, O. J. Nielsen: “Kinetics of the Reaction of OH Radicals with Acetylene in 750 Torr of air at 296 K”. Asian Chemistry Letters submitted (2002).

150.Ole John Nielsen, Timothy J. Wallington, Jesper Platz: “Kinetics of the Reaction of OH Radicals with Dimethyl Ether at 295-381 K”. Asian Chemistry Letters submitted (2002).