1. Department of Chemical Science, Faculty of Science, Universiti Tunku Abdul Rahman, Jln Universiti, Kampar, Malaysia
2. Centre of Sustainable Nanomaterials, Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, Skudai, Malaysia
3. Liquid Crystal Research Laboratory, School of Chemical Sciences, Universiti Sains Malaysia, Minden, Malaysia
4. Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu, Taiwan, ROC