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Picosecond Transient Absorption Setup for Detection of Short-Lived Photoproducts and Excited States in Molecular Systems
Third-party funded project |
Project title |
Picosecond Transient Absorption Setup for Detection of Short-Lived Photoproducts and Excited States in Molecular Systems |
Principal Investigator(s) |
Wenger, Oliver
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Co-Investigator(s) |
Seebeck, Florian Peter Ward, Thomas R. Constable, Edwin Charles Housecroft, Catherine Mayor, Marcel
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Organisation / Research unit |
Departement Chemie / Anorganische Chemie (Wenger) |
Project start |
01.01.2015 |
Probable end |
31.12.2015 |
Status |
Completed |
Abstract |
Many photophysical and photochemical processes which are relevant for light-to-chemical energy conversion occur on very rapid timescales. Time-resolved UV-Vis absorption spectroscopy has become an indispensable tool in modern photochemistry. Several ongoing Ph. D. theses and postdoctoral research projects in the main applicant’s group ask for a transient absorption spectrometer with picosecond time resolution and an appropriate laser source. Among these projects are for example the investigation of photoinduced multi-electron transfer reactions in order to spatially separate multiple electrons from multiple holes, which is of key importance for producing chemical fuels with sunlight as energy input (projects 1 and 2). Similarly, picosecond transient absorption spectrosocopy will permit mechanistic studies of photoinduced proton-coupled electron transfer (PCET) reactions which will greatly further our current fundamental understanding of this important class of reactions (project 3). The activation of small inert molecules such as H2O, CO2 or N2 will invariably rely on multi-electron, multi-proton chemistry hence the proposed photochemical studies are important in the greater context of solar energy conversion. |
Financed by |
Swiss National Science Foundation (SNSF)
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17/04/2024
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