1. Chemical Engineering Department, Institut Teknologi Nasional Bandung, PHH, Mustopha 23, 40124 Bandung, Indonesia
2. Physics Department, Institut Teknologi Bandung, Ganesha 10, 40132, Bandung, Indonesia
3. Department of Mechanical Engineering, Mercu Buana University, Jl. Meruya Selatan, Kebun Jeruk, Jakarta 11650, Indonesia
4. Department of Chemistry, Technische Universität Berlin, Straße des 17, Juni 124, 10623 Berlin, Germany