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CHANAPA KONGMARK

O email: fscpko@ku.ac.th
Education: D.E.U.G.(Materials Science) Université Lille 1, France
M.S.T.(Physical Chemistry and Energy Economics) Université Lille 1, France
Master (Condensed Matter) Ecole Nationale Supérieure de Chimie de Lille, France
Doctorat (Molecules and Condensed Matter) Université Lille 1 France
Research interests: Novel materials, ceramics and catalysts.
In-situ studies of structural evolution of materials during chemical reactions.


Structural studies of nanomaterials with synchrotron light

Synchrotron radiation has attracted considerable interest during the past decades for its applications in materials science. Because of its properties, the high intensity continuous band of electromagnetic spectrum reaching from infrared to X-rays, it is possible to study the structure of nanomaterials, diluted systems, surfaces and especially to observe the evolution of materials during chemical reaction (the synthesis reaction or the reaction under operating conditions) in real-time using in-situ technique.

Our interest has focused on understanding the fundamental relationships between structures and its properties, by employing various synchrotron techniques (i.e. absorption, scattering and photoemission), with an ultimate ambition to create new materials with the desired properties.

Our previous work focused on the genesis of γ-Bi2MoO6 catalyst under hydrothermal conditions, which was elucidated by an in-situ study combining High-Resolution Powder Diffraction (HRPD) / X-ray Absorption Spectroscopy (XAS) / Raman Scattering. It was shown that the catalyst is formed via a bismuth molybdate of fluorite structure acting as a template for the layered γ-Bi2MoO6 crystals to be nucleated.

Selected Publications

1.Synchrotron X-ray Absorption Spectroscopy and Magnetic Characteristics Studies of Metal Ferrites (Metal = Ni, Mn, Cu) Synthesized by Sol-gel Auto-combustion Method, T. Tangcharoen, W. Klysubun, C. Kongmark, W. Pecharapa, Physica Status Solidi (A), 2014, in Press.

2.A comprehensive scenario of the crystal growth of-Bi2MoO6 catalyst during hydrothermal synthesis, C. Kongmark, R. Coulter, S. Cristol, A. Rubbens, C. Pirovano, A. Löfberg, G. Sankar, W. van Beek, E. Bordes-Richard and R.-N. Vannier, Crystal Growth & Design, 2012, 12, 5994-6003.

3.Synthesis of -Bi2MoO6 catalyst studied by combined high resolution powder diffraction, XANES and Raman spectroscopy, C. Kongmark, V. Martis, C. Pirovano, A. Löfberg, W. van Beek, G. Sankar, A. Rubbens, S. Cristol, R.-N. Vannier and E. Bordes-Richard, Catalysis Today, 2010, 157, 257-262.

4.Elucidating the genesis of Bi2MoO6 catalyst by combination of synchrotron radiation experiments and Raman scattering, C. Kongmark, V. Martis, A. Rubbens, C. Pirovano, A. Löfberg, G. Sankar, E. Bordes-Richard, R.-N. Vannier and W. van Beek, Chemical Communications, 2009, 4850-4852.

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