1. Department of Chemistry Faculty of Mathematics and Natural Science, Institut Teknologi Bandung (ITB) Bandung 40132 Indonesia
2. Research Center for New and Renewable Energy, ITB Bandung 40132 Indonesia
3. UCL Institute for Materials Discovery University College London Malet Place London WC1E 7JE United Kingdom
4. Biological and Environmental Science and Engineering Division King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
5. Engineering Physics Department Faculty of Industrial Technology, ITB Bandung 40132 Indonesia