1. Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia
2. Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Jember, Jember, Indonesia
3. Chemistry Education Study Program Department of Chemistry Education, Faculty of Mathematics and Science Education, Indonesia University of Education, Bandung, Indonesia
4. Department of Chemistry Education, Faculty of Tarbiyah and Teacher Training, UIN Sunan Gunung Djati Bandung, Bandung, Indonesia
5. Research Center for Nanoscience and Nanotechnology, Institut Teknologi Bandung, Bandung, Indonesia