Visiting Schollar
University of Illinois at Urbana-Champaign, U.S. (Prof. Hirata)
Research of Interest
Structures, energetic and dynamics of proton transfer.
Calculations of activation energy, IR and 1H NMR spectra.
Ab initio and DFT calculation on H-bond systems.
Born-Oppenheimer molecular dynamic (BOMD) simulations.
Car-Parrinello molecular dynamic simulations and analyses of structures and dynamics in liquids and crystals.
To develop theoretical methods for investigations of proton transfer reactions at –SO3H group of Nafion®
To study Dynamics and mechanisms of proton transfer reactions in polymer materials
Publications
- Mechanisms of Proton Transfer in Nafion: Elementary reaction at the sulfonic acid groups, K. Sagarik, M. Phonyiem, C. Lao-Ngam and S. Chaiwongwattana, Phys. Chem. Chem. Phys., 10, 2098 (2008).
- Proton Transfer Reactions and Dynamics at Sulfonic Acid Groups of Nafion® , M. Phonyiem, S. Chaiwongwattana, C. Lao-ngam and K. Sagarik, Phys. Chem. Chem. Phys., 13, 10923-10939 (2011).
- Dynamics and mechanism of structural diffusion in linear hydrogen bond, Chaiwongwattana, S., Phonyiem, M., Vchirawongkwin, V., Prueksaaroon, S and Sagarik, K., J. Com. Chem., 22,175-188 (2011).
- Characteristic NMR spectra of proton transfer in protonated water clusters, C. Lao-ngam, M. Phonyiem, S. Chaiwongwattana and K. Sagarik, (In Press, 2013).
- Structural diffusion in phosphonic acid functionalized polymer, M. Phonyiem and K. Sagarik, (in preparation, 2013)