1. Department of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
2. Program of Petrochemistry and Polymer Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
3. MTEC, National Science and Technology Development Agency (NSTDA), Thailand Science Park, Khlong Luang, Pathum Thani 12120, Thailand