1. College of ChemistryFuzhou University Fuzhou 350116 P.R. China
2. National Nanotechnology CenterNational Science and Technology Development Agency Pathumthani 12120 Thailand
3. Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network of NANOTEC, Department of Chemical Engineering, Faculty of EngineeringKasetsart University Bangkok 10900 Thailand