1. Department of Chemical Engineering Faculty of Engineering Kasetsart University 50 Ngamwongwan Rd., Ladyao Chatuchak, Bangkok 10900 Thailand
2. Center of Excellence on Petrochemical and Materials Technology Kasetsart University 50 Ngamwongwan Rd., Ladyao Chatuchak, Bangkok 10900 Thailand
3. National Nanotechnology Center (NANOTEC) National Science and Technology Development Agency (NSTDA) 111 Thailand Science Park, Phahon Yothin Rd. Klong Nueng Pathum Thani 12120 Thailand