1. Research Group of Solid State Chemistry & Catalysis, Department of Chemistry, Sebelas Maret University, Surakarta, Indonesia
2. Department of Chemistry, Faculty Science and Technology, Universitas Islam Negeri Maulana Malik Ibrahim Malang, Malang, Indonesia
3. Inorganic and Physical Chemistry Research Group, Faculty Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia
4. Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Bandung, Indonesia