DONALDSON, D. James - University of Toronto

研究领域

In our lab, we are interested in chemistry that happens on surfaces which are exposed to the atmosphere, as well as photochemistry which takes place following vibrational excitation of atmospheric molecules. We use tools from physical, analytical and theoretical chemistry to try to understand the processes which take place at the interface between the atmosphere and a condensed phase, especially aqueous droplets and organic coatings. We use spectroscopic and theoretical methods to study the chemistry of vibrationally excited molecules in the atmosphere.

近期论文

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T.F. Kahan, S.N. Wren and D.J. Donaldson, "A Pinch of Salt is all it Takes: Chemistry at the Frozen Water Surface", Acc. Chem. Res. 47, 1587-1594. C. George, B. D'Anna, H. Herrmann, C. Weller, V. Vaida, D.J. Donaldson, T. Bartels-Rausch and M. Ammann, "Emerging areas in atmospheric photochemistry", Top. Curr. Chem.,339, 1-53. V.Vaida and D.J. Donaldson, "Red-light initiated atmospheric reaction of vibrationally excited molecules", Phys. Chem. Chem. Phys., 16, 827-836. A.C. Hong, S.N. Wren, and D.J. Donaldson, "Enhanced surface partitioning of nitrate anion in aqueous bromide solutions", J. Phys. Chem. Lett., 4, 17, 2994-2998. A.M. Baergen and D.J. Donaldson, "Photochemical renoxification of nitric acid on real urban grime", Environ. Sci. Technol., 47, 2, 815-820. D.I. Reeser N.-O.A Kwamena and D.J. Donaldson, "Effect of organic coatings on gas-phase nitrogen dioxide production from aqueous nitrate photolysis", J. Phys. Chem. C., 117, 22260-22267. S.A. Styler, A.L. Myers, and D.J. Donaldson, "Heterogeneous photooxidation of fluorotelomer alcohols: a new source of aerosol-phase perfluorinated carboxylic acids", Environ. Sci. Technol., 47, 12, 6358-6367. S.N. Wren, D.J. Donaldson, and J.P.D. Abbatt, "Photochemical chlorine and bromine activation from artificial saline snow", Atmos. Chem. Phys., 13, 9789-9800. F. Domine, J. Bock, D. Voisin, and D.J. Donaldson, "Can we model snow photochemistry? Problems with the current approaches", J. Phys. Chem. A, 117, 23, 4733-4749. S.N. Wren and D.J. Donaldson, "How does deposition of gas phase species affect pH at frozen salty interfaces?", Atmos. Chem. Phys, 12, 10065-10073. V. F. McNeill, A. M. Grannas, J. P. D. Abbatt, M. Ammann, P. Ariya, T. Bartels-Rausch, F. Domine, D. J. Donaldson, M. I. Guzman, D. Heger, T.F. Kahan, P. Kl´an, S. Masclin, C. Toubin, and D. Voisin, "Organics in environmental ices: sources, chemistry, and impacts", Atmos. Chem. Phys. 12, 9653-9678. S.A. Styler and D.J. Donaldson, "Heterogeneous photochemistry of oxalic acid on Mauritanian sand and Icelandic volcanic ash", Environ. Sci. Technol 46, 8756-8763. D.J. Donaldson and C. George, "Sea-surface chemistry and its impact on the marine boundary layer" (invited Feature Article, to accompany Special Issue), Environ. Sci. Technol., 46, 10385-10389. D.J. Donaldson, M. Ammann, T. Bartels-Rausch, and U. Poschl, "Standard states and thermochemical kinetics in heterogeneous atmospheric chemistry", J. Phys. Chem. A., 2012, 116(24), 6312-6316. S.N. Wren and D.J. Donaldson, "Laboratory study of pH at the air-ice interface", J. Phys. Chem. C., 2012, 116(18), 10171-10180. E.A. Henderson and D.J. Donaldson, "Influence of organic coatings on pyrene ozonolysis at the air–aqueous interface", J. Phys. Chem. A., 2012, 116(1), 423-429. S.N. Wren and D.J. Donaldson, "Glancing-angle Raman study of nitrate and nitric acid at the air–aqueous interface", Chem. Phys. Lett., 522, 1-10. S.A. Styler and D.J.Donaldson, "Photooxidation of atmospheric alcohols on laboratory proxies for mineral dust", Environ. Sci. Technol., 45, 23, 10004-10012. D.I. Reeser and D.J. Donaldson, "Influence of water surface properties on the heterogeneous reaction between O3(g) and I(aq)−", Atmos. Environ., 45, 34, 6116-6120. S.N. Wren and D.J. Donaldson, "Exclusion of nitrate to the air-ice interface during freezing", J. Phys. Chem. Lett., 2, 1967-1971 (2011) S.A. Styler, M.E. Loiseaux, D.J. Donaldson, "Substrate effects in the photoenhanced ozonation of pyrene", Atmos. Chem. Phys., 11, 1243-1253 (2011)T.F. Kahan, N.-O. A. Kwamena, D.J. Donaldson,"Different photolysis kinetics at the surface of frozen freshwater vs frozen salt solutions", Atmos. Chem. Phys., 10, 10917-10922 (2010) D.J. Donaldson, C. George, V. Vaida, "Red sky at night: Long wavelength photochemistry in the atmosphere", Environ. Sci. Technol., 44, 5321-5326 (2010). S. N. Wren, T.F. Kahan, K. B. Jumaa and D. J. Donaldson, " Spectroscopic studies of the heterogeneous reaction between O3(g) and halides at the surface of frozen salt solutions", J. Geophys. Res., 115, D16309, doi: 10.1029/2010JD013929 (2010). Tara. F Kahan and D. J. Donaldson, "Benzene photolysis on ice: Implications for the fate of organic pollutants in the winter", Environ. Sci. Technol., 44, 3819-3824, (2010). Tara F. Kahan, Diego Ardura, and D. J. Donaldson, “The mechanism of aqueous-phase ozonation of S(IV)”, J. Phys. Chem. A. 114, 2164-2170 (2010). T.F. Kahan, R. Zhao and D.J. Donaldson, “Hydroxyl radical reactivity at the air-ice interface”, Atmos. Chem. Phys. 10, 843-854 (2010). S.N. Wren and D.J. Donaldson, “Glancing-Angle Raman Spectroscopic Probe for Reaction Kinetics at Water Surfaces”, Phys. Chem. Chem. Phys. 12, 2648-2654, (2010). T. F. Kahan, R. Zhao, K. B. Jumaa, and D. J. Donaldson, “Anthracene Photolysis in Aqueous Solution and Ice: Photon Flux Dependence and Comparison of Kinetics in Bulk Ice and at the Air-Ice Interface”, Environ. Sci. Technol. 44, 1302-1306 (2010). K.T. Valsaraj and D.J. Donaldson, “A Review of the Adsorption and Reaction of Trace Gases on Atmospheric Water Films”, Environ. Sci. Technol. 44, 865-873 (2010). Maria Eugenia Monge, Christian George, Linda Mazri, Anne Giroir-Fendler, Markus Ammann, D.J. Donaldson, and Barbara D’Anna, “Light changes the atmospheric reactivity of soot”, PNAS, 107, 6605-6609 (2010)