1. Department of Chemistry Faculty of Science Kasetsart University 50 Ngamwongwan Bangkok 10900 Thailand
2. Research Network NANOTEC‐KU on Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Kasetsart University Bangkok 10900 Thailand
3. Univ. Bordeaux CNRS Bordeaux INP ISM UMR 5255 Talence F‐33400 France