1. School of Materials Science & Engineering, Nanyang Technological University, Block N4.1 Nanyang Avenue, Singapore 639798
2. Energy Research Institute @ NTU (ERI@N), Nanyang Technological University, Research Techno Plaza,
RTP/XF-05 50 Nanyang Drive, Singapore 637553
3. Department of Applied Chemistry, Graduate
School of Engineering, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
4. Center for Nanostructured
Photosystems (CNPS), Nanyang Technological University, Research Techno Plaza, RTP/XF-05 50 Nanyang
Drive, Singapore 637553
5. Laboratory of Photonics and Interfaces, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland