1. Department of Chemistry Education, Faculty of Tarbiyah, Institut Agama Islam Negeri (IAIN), 27213 Batusangkar, West Sumatera, Indonesia
2. Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
3. School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, 923-1292 Nomi, Ishikawa, Japan
4. National Centre of Excellence in Analytical Chemistry, University of Sindh, 76080 Jamshoro, Pakistan
5. Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Halu Oleo, 93232 Kendari, Sulawesi Tenggara, Indonesia
6. Nanomaterials Chemistry Laboratory, Department of Materials Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, 615-8520 Kyoto, Japan