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Chemists Take a Vital Step Towards Greener Food Production

Chemists Take a Vital Step Towards Greener Food Production
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Gene Andrew Jarrett named Princeton s next dean of the faculty

Gene Andrew Jarrett, the Seryl Kushner Dean of the College of Arts and Science and Professor of English at New York University, will become Princeton’s next dean of the faculty on Aug. 1. Jarrett earned his bachelor’s degree in English from Princeton in 1997. He has a long career as an influential academic administrator, professor and scholar of African American literary studies.

Princeton Chem reports role of quantum vibrations in electron transfer

Credit: Image courtesy of Bo Fu, Princeton Chemistry. Princeton Chemistry s Scholes Group is reporting evidence that quantum vibrations participate in electron transfer, establishing with ultrafast laser spectroscopy that the vibrations provide channels through which the reaction takes place. Seeking to establish an experimental proof for a highly contested topic - the role of vibrations in processes fundamental to solar energy conversion - Princeton researchers set out to map the progress of a photoinduced electron transfer (ET) reaction. The short laser pulses in ultrafast spectroscopy helped to lock all the light-absorbing entities in-step. Researchers were then able to watch the electron transfer dynamics and the vibrational dynamics simultaneously through beats created by the vibrational coherences. They found that the photoinduced ET reaction occurs in ~30-femtoseconds, which contrasts with conventional Marcus theory, and concluded that the unexpectedly rapid pace of the r

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