1. Inorganic and Physical Chemistry Research Division, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung 40132, Indonesia
2. Research Centre for Nanosciences and Nanotechnology, Jalan Ganesha 10, Bandung 40132, Indonesia
3. Department of Chemistry, Universitas Timor, Jl. Eltari, Kefamenanu 85613, Indonesia
4. Department of Chemistry Education, UIN Sunan Gunung Djati Bandung, Jl. A.H. Nasution No. 105, Bandung, 40614, Indonesia