1. Advanced Functional Materials Research Group, Faculty of Industrial Technology, Bandung Institute of Technology, Bandung 40132, West Java, Indonesia
2. Research Center for Nanoscience and Nanotechnology (RCNN), Bandung Institute of Technology, Bandung 40132, West Java, Indonesia
3. Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia