1. Department of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand
2. Center of Excellence on Petrochemical and Materials Technology, Kasetsart University, Bangkok 10900, Thailand
3. National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum, Thani 12120, Thailand
4. Institute of Materials Chemistry, Technische Universität Wien, Getreidemarkt 9/BC, Vienna 1060, Austria