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Bio
Professor Vaida’s research interests are at the interface of physical chemistry and atmospheric science. In the Earth’s atmosphere, rapid oxidation of biogenic and anthropogenic emissions produces oxidized organic (acids, alcohols) and inorganic compounds.These molecules hydrogen bond readily to water forming complexes (hydrates) and aggregates, which are key ingredients in aerosol formation and subsequent cloud nucleation. Aerosols are ubiquitous in the atmosphere where they strongly influence climate by scattering and absorbing solar and thermal radiation. Professor Vaida’s experimental program investigates the spectroscopy and photoreaction dynamics of atmospheric molecules, their complexes and films at the water-air interface. Of interest is the environmental impact of sunlight-initiated chemistry. Sunlight initiated reactions studied in the Vaida group illustrate the fundamental chemistry driving the reactivity of the atmosphere and determining the temperature of the planet. Under study are light initiated chemical reactions relevant in planetary atmospheres, including the ancient and contemporary Earth. This research uses photochemistry to synthesize high-energy compounds from readily available atmospheric targets and in the process building chemical complexity in the natural environment.
Research Interests
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