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The ultimate time scale in chemistry is the femtosecond time scale. Chemical bonding cannot cannot change any faster than that. With a time resolution on the femtosecond time scale it is possible to obtain information on the first decissive moments in a chemical reaction. The femto lab at the department of chemistry is achieving that resoltion with a pulsed laser: a femtosecond laserpulse initiates a "change" and a subsequent pulse measures the structural and electronic impact of the light excitation.
My focus is on mechanistic and physical problems in organic chemistry and photo chemistry. Both from a very fundamental angle but also more recently applied in Oil and Gas related contexts.
We have recently found that the outcome of many photo induced processes are determined by structural changes that take place immediately after excitation, i.e., in less than a picosecond. It is the mechanisms that drive the molecular motions in these first determining moments that are key to photophysical processes and fundamental for the photostability of for instance DNA and proteins. There is a clear link between structure and mechanism – thus we are also focusing on the interplay between organic chromophores and how they direct nuclear motions. My lab here at CHEM is built around a femtosecond laser with experimental setups for time-resolved photoelectron spectroscopy and time-resolved mass spectrometry for gas phase measurements, and absorption spectroscopy for solution phenomena. All experiments are supported by quantum mechanical calculations.
The problems in applied research rely on collaboration with industry research partners. The main focus here is on the understanding of flow in porous media and on how methods in organic chemistry can modify it. The experimental approach is tomography and scanning electron microscopy with simulation on the resulting images .
My focus is on mechanistic and physical problems in organic chemistry and photo chemistry. Both from a very fundamental angle but also more recently applied in Oil and Gas related contexts.
We have recently found that the outcome of many photo induced processes are determined by structural changes that take place immediately after excitation, i.e., in less than a picosecond. It is the mechanisms that drive the molecular motions in these first determining moments that are key to photophysical processes and fundamental for the photostability of for instance DNA and proteins. There is a clear link between structure and mechanism – thus we are also focusing on the interplay between organic chromophores and how they direct nuclear motions. My lab here at CHEM is built around a femtosecond laser with experimental setups for time-resolved photoelectron spectroscopy and time-resolved mass spectrometry for gas phase measurements, and absorption spectroscopy for solution phenomena. All experiments are supported by quantum mechanical calculations.
The problems in applied research rely on collaboration with industry research partners. The main focus here is on the understanding of flow in porous media and on how methods in organic chemistry can modify it. The experimental approach is tomography and scanning electron microscopy with simulation on the resulting images .
Research Interests
Papers共 215 篇Author StatisticsCo-AuthorSimilar Experts
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The journal of physical chemistry lettersno. 23 (2024): 6202-6208
SPE JOURNALno. 6 (2023): 3280-3290
ACS OMEGAno. 46 (2023): 44057-44075
Geoenergy Science and Engineering (2023): 211930
The journal of physical chemistry. Bno. 42 (2023): 9050-9057
GEOENERGY SCIENCE AND ENGINEERING (2023): 211574-211574
SPE JOURNALno. 4 (2023): 1956-1972
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#Papers: 216
#Citation: 4039
H-Index: 29
G-Index: 55
Sociability: 6
Diversity: 0
Activity: 3
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