1. Polymer Materials for Energy Research Laboratory, Department of Mining, Metallurgical and Materials Engineering, University of the Philippines Diliman, Quezon City 1101, Philippines
2. Department of Mechanical Engineering, University of California Merced, California Merced 95343, United States of America
3. Department of Chemical Engineering, University of the Philippines Diliman, Quezon City 1101, Philippines
4. School of Materials Science and Engineering, Hefei University of Technology, Hefei Anhui 230009, China