skip to Main Content
Sergey Vasenkov, Ph.D.

Sergey Vasenkov

Professor
352-392-0315

Areas of Interest

Transport in porous membranes and catalysts
Single-file diffusion in nanochannels
Membrane-based separations
Dr. Vasenkov’s research program focuses on developing fundamental understanding of transport of molecules and ions in porous membranes, sorbents, catalysts and related materials on a broad range of microscopic length scales between around 100 nm and tens of microns. Such materials usually exhibit complex and, in some cases, even hierarchical structure that results in different transport properties on different microscopic length scales. Understanding the complexity of microscale transport in these materials on a fundamental level is required for optimizing their performance in separations and catalysis. It is, however, very difficult to obtain experimental data on such transport with a micrometer and sub-micrometer spatial resolution. For such studies Dr. Vasenkov’s group uses advanced nuclear magnetic resonance (NMR) techniques that benefit from combining advantages of high magnetic field and high magnetic field gradients. The work of his group resulted in the first direct measurements of microscale transport in mixed matrix and carbon molecular sieve membranes as well as in aerogel and nanoporous gold catalysts. Dr. Vasenkov’s group was the first to report observation of single-file diffusion of molecular mixtures, an important result for applications in separations and catalysis. Combining analytical models and computer simulations with unique NMR data his group develops fundamental knowledge of microscale transport.

Awards

German Science Foundation (DFG) Mercator Fellowship, 2018
University of Florida Herbert Wertheim College of Engineering Teacher of the Year Award, 2018
University of Florida Term Professorship, 2017
Hanse-Wissenschaftskolleg Senior Fellowship, Germany, 2015
National Science Foundation CAREER Award, 2010
University of Florida College of Engineering Teacher of the Year Award, 2010

Education

Habilitation, Leipzig University, Germany, 2003
Ph.D., Institute of Chemical Kinetics and Combustion, Russia, 1994
M.S., Novosibirsk University, Russia, 1989

Courses Taught

Selected Publications

  • Forman, E.M.; Pimentel, B. R.; Ziegler, K. J.; Lively, R.; Vasenkov, S., Microscopic diffusion of pure and mixed methane and carbon dioxide in ZIF-11 by high field diffusion NMR. Microporous and Mesoporous Materials 2017, 248, 158-163.
  • Dutta, A. R.; Sekar, P.; Dvoyashkin, M.; Bowers, C. R.; Ziegler, K. J.; Vasenkov, S., Single-file diffusion of mixed gases in nanochannels of the dipeptide L-Ala-L-Val: High field diffusion NMR study.   Phys. Chem.  C 2016, 120, 9914−9919.
  • Mueller, R.; Hariharan, V.; Zhang, C .; Lively, R.; Vasenkov, S., Relationship between mixed and pure gas self-diffusion for ethane and ethene in ZIF-8/6FDA-DAM mixed-matrix membrane by pulsed field gradient NMR. Journal of Membrane Science 2016, 499, 12-19.
  • Dutta, A. R.; Sekar, P.; Dvoyashkin, M.; Bowers, C. R.; Ziegler, K. J.; Vasenkov, S., Relationship between single-file diffusion of mixed and pure gases in dipeptide nanochannels by high field diffusion NMR. Chemical Communications 2015, 51 (69), 13346-13349.
  • Mueller, R.; Zhang, S.; Klink, M.; Baumer, M.; Vasenkov, S., The origin of a large apparent tortuosity factor for the Knudsen diffusion inside monoliths of a samaria-alumina aerogel catalyst: a diffusion NMR study. Physical Chemistry Chemical Physics (PCCP) 2015, 17 (41), 27481-27487.
Accessibility
Back To Top