Barbara J. Finlayson-PittsProfessor, Chemistry |
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Research Interests |
Atmospheric, Physical Chemistry and Analytical Chemistry | |
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Academic Distinctions |
1970 Woodrow Wilson Fellowship 1979 Elected one of the Outstanding Young Women of American 1993 Fellow of the American Association for the Advancement of Science 1994 Japan Society of the Promotion of Science Fellowship 1999 Orange County Section of the American Chemical Society "Service Through Chemistry" Award 2000 UCI Graduate Voice Faculty Mentor Award 2002 Fellow of the American Geophysical Union 2004 American Chemical Society Award for Creative Advances in Environmental Science & Technology 2006 Elected to the American Academy of Arts & Sciences 2006 Elected to the National Academy of Sciences |
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| Appointments |
Postdoctoral Fellow, University of California at Riverside |
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Research Abstract |
The field of atmospheric chemistry encompasses the chemical and physical processes which play key roles in the natural and polluted atmosphere, from urban to remote areas and from the lower to the upper atmosphere. Understanding these processes requires field measurements, the development, testing and application of models, and laboratory studies of kinetics and mechanisms. Research in our laboratory is directed primarily to elucidating the fundamental kinetics, mechanisms and photochemistry of relevant gaseous reactions as well as heterogeneous processes at the surfaces of, and in, particles. We have a number of collaborations with faculty in the Department of Chemistry and Mechanical and Aerospace Engineering, as well as at other institutions, that help to develop an integrated understanding of these systems from the molecular level to ambient air There are three overall systems of current interest: (1) the reactions of sea salt particles to generate photochemically active halogen gases such as Cl2, Br2 and BrCl; (2) reactions of oxides of nitrogen at aqueous interfaces and in thin water films on surfaces to generate HONO and other species such as HNO3 and N2O, and (3) reactions of organics in and on particles. Experimental approaches used for elucidating the chemistry of these systems include Knudsen cell studies, long path FTIR, GC and GC-MS, diffuse reflectance infrared Fourier transform spectrometry (DRIFTS) and single reflectance FTIR. Attenuated total reflectance FTIR (ATR-FTIR) is being applied to study the oxidation of organics in real time. In addition, a 560 L aerosol chamber equipped with particle generation and sizing systems, long path FTIR, differential optical absorption spectrometry (DOAS)and atmospheric pressure ionization mass spectrometry (API-MS) is applied to studying the interactions of gases with particles in real time. A new system has recently been developed in which both gases and the thin aqueous films can both be followed in real time Our research is funded by NSF and DOE. We are part of a new Environmental Molecular Sciences Institute funded by NSF that is focused on understanding processes at the air-water interface in the atmosphere and their impacts on air quality and global climate change. This new institute is dubbed AirUCI, Atmospheric Integrated Research Using Chemistry at Interfaces. This institute, directed by Barbara Finlayson-Pitts, involves our research group as well as those of Professors Gerber, Hemminger, Nizkorodov and Tobias in the Department of Chemistry, Professor Donald Dabdub in Mechanical & Aerospace Engineering, Dr. Pavel Jungwirth and Dr. Martina Roeselova of the Academy of Sciences of the Czech Republic, Dr. Leon Phillips of the University of Canterbury, New Zealand, and Dr Yulii Gershenson of the Russian Academy of Sciences. In addition, nine scientists from Department of Energy National Laboratories (Pacific Northwest National Laboratory, Lawrence Berkeley National Laboratory and Lawrence Livermore National Laboratory)are collaborators. In this project, experimental, theoretical and airshed kinetics modeling studies are combined to provide a unique approach to understanding processes at the air-water interface and their implications for atmospheric chemistry. |
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| Publications | Measurement of Trace Metals in Tobacco and Cigarette Ash by Inductively Coupled Plasma-Atomic Emission Spectroscopy, W. Wang and B. J. Finlayson-Pitts, J. Chem. Ed. 80 83 (2003) | |
| Measurement of Organics Using Three Different FTIR Techniques: Absorption, Attenuated Total Reflectance and Diffuse Reflectance, M. E. Gebel, M. A. Kaleuati and B. J. Finlayson-Pitts, J. Chem. Ed. 80 672 (2003) | ||
| The Heterogeneous Hydrolysis of NO2 in Laboratory Systems and in Outdoor and Indoor Atmospheres: An Integrated Mechanism, B. J. Finlayson-Pitts, L. M. Wingen, A. L. Sumner, D. Syomin and K. A. Ramazan, Phys. Chem. Chem. Phys. 5 223 (2003) | ||
| Laboratory Studies of Potential Mechanisms of Renoxification of Tropospheric Nitric Acid, A. M. Rivera-Figueroa, Al. L. Sumner and B. J. Finlayson-Pitts, Environ. Sci. Technol. 37 548 (2003) | ||
| Knudsen Cell Studies of the Reactions of N2O5 and ClONO2 with NaCl: Development and Application of a Model for Estimating Available Surface Areas and Corrected Uptake Coefficients, R. C. Hoffman, M. E. Gebel, B. S. Fox and B. J. Finlayson-Pitts, Phys. Chem. Chem. Phys. 5 1780 (2003) | ||
| Fluorescence, Absorption and Excitation Spectra of Polycyclic Aromatic Hydrocarbons as a Tool for Quantitative Analysis, A. M. Rivera-Figueroa, K. A. Ramazan and B. J. Finlayson-Pitts J. Chem. Ed. 81 242 (2003) | ||
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Reactions at Interfaces as a Source of Sulfate Formation in Sea Salt Particles A. Laskin, D. J. Gaspar, W. Wang, S. W. Hunt, J. P. Cowin, S. D. Colson and B. J. Finlayson-Pitts Science 301 340 (2003) |
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| Knudsen Cell Studies of the Reaction of Gaseous HNO3 with NaCl Using Less than a Single Layer of Particles at 298 K: A Modified Mechanism, R. C. Hoffman, M. A. Kaleuati and B. J. Finlayson-Pitts, J. Phys. Chem. A 107 7818 (2003) | ||
| The Tropospheric Chemistry of Sea Salt: A Molecular View of the Chemistry of NaCl and NaBr, B. J. Finlayson-Pitts, Chem. Rev. 103 4801 (2003) | ||
| HONO Decomposition on Borosilicate Glass Surfaces: Implications for Environmental Chamber Studies and Field Experiments, D. Syomin and B. J. Finlayson-Pitts, Phys. Chem. Chem. Phys. 5 5236 (2003) | ||
| The Nature of Water on Surfaces of Laboratory Systems and Implications for Heterogeneous Chemistry in the Troposphere, A. L. Sumner, E. J. Menke, Y. Dubowski, J. T. Newberg, R. M. Penner, J. C. Hemminger, L. M. Wingen, T. Brauers and B. J. Finlayson-Pitts Phys. Chem. Chem. Phys. 6 604 (2004) | ||
| Sodium Nitrate Particles: Physical and Chemical Properties During Hydration and Dehydration and Implications for Aged Sea Salt Aerosols, R. C. Hoffman, A. Laskin and B. J. Finlayson-Pitts, J. Aerosol Sci. 35 869 (2004) | ||
| Interactions of Gaseous Nitric Acid with Surfaces of Environmental Interest, Y. Dubowksi, A. L. Sumner, E. J. Menke, D. J. Gaspar, J. T. Newberg, R. C. Hoffman,R. M. Penner, J. C. Hemminger and B. J. Finlayson-Pitts, Phys. Chem. Chem. Phys. 6 3879 (2004) | ||
| The Photochemical Production of HONO During the Heterogeneous Hydrolysis of NO2, K. Ramazan, D. Syomin and B. J. Finlayson-Pitts, Phys. Chem. Chem. Phys, 6 3836 (2004) | ||
| TOF-SIMS Analysis of Sea Salt Particles: Imaging and Depth Profiling in the Discovery of an Unrecognized Mechanism for pH Buffering, D. J. Gaspar, A. Laskin, W. Wang, S. W. Hunt and B. J. Finlayson-Pitts, Appl. Surf. Sci. 231/232 520 (2004) | ||
| Formation of Molecular Bromine from the Reaction of Ozone with Deliquesced NaBr Aerosol: Evidence for Interface Chemistry, S. W. Hunt, M. Roeselov, W. Wang, L. M. Wingen, E. M. Knipping, D. J. Tobias, D. Dabdub and B. J. Finlayson-Pitts J. Phys. Chem. A.,108 11559 (2004) | ||
| The Interaction of Gas-Phase Ozone at 296 K with Unsaturated SAMs: A New Look at an Old System, Y. Dubowski, J. Vieceli, D. J. Tobias, A. Gomez, A. Lin, S. A. Nizkorodov, T. McIntire and B. J. Finlayson-Pitts, J. Phys. Chem. A.,108 10473 (2004) | ||
| Adsorption of Atmospherically Relevant Gases at the Air/Water Interface: Free Energy Profiles of Aqueous Solvation of N2, O2, O3, OH, H2O, HO2 and H2O2, R. Vacha, P. Slavi?ek, M. Mucha, B. J. Finlayson-Pitts and P. Jungwirth J. Phys. Chem. A.,108 11573 (2004) | ||
| Unusual Aggregates from the Oxidation of Alkene Self-Assembled Monolayers: A Previously Unrecognized Mechanism for SAM Ozonolysis?, T. M. McIntire, A. S. Lea, D. J. Gaspar, N. Jaitly, Y. Dubowski, Q. Li and B. J. Finlayson-Pitts, Phys. Chem. Chem. Phys. 7 3605 (2005) | ||
| Photochemical Processes Induced by Vibrational Overtone Excitations: Dynamics Simulations for cis-HONO, trans-HONO, HNO3 and HNO3-H2O, Y. Miller, G.M. Chaban, B.J. Finlayson-Pitts and R.B. Gerber,J. Phys. Chem. A. , 110 5342 (2006) | ||
| Gas-Phase Molecular Halogen Formation from NaCl and NaBr Aerosols: When are Interface Reactions Important?, J. L. Thomas, A. Jimenez-Aranda, B. J. Finlayson-Pitts and D. Dabdub,J. Phys. Chem. A.,110 1859 (2006) | ||
| A New Experimental and Theoretical Approach to the Heterogeneous Hydrolysis of NO2: The Key Role of Molecular Nitric Acid and Its Complexes, K. A. Ramazan, L. M. Wingen, Y. Miller, G. M. Chaban, R. B. Gerber, S. S. Xantheasand B. J. Finlayson-Pitts, J. Phys. Chem. A.,110 6886 (2006) | ||
| Other Experience |
Professor of Chemistry California State University, Fullerton 1974—1994 |
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| Link to this profile | http://www.faculty.uci.edu/profile.cfm?faculty_id=2194 | |
| Last updated | 06/17/2006 | |
