1. Energy Research Institute @NTU (ERI@N), Research Techno Plaza, X-Frontier Block, 50 Nanyang Drive 637553, Singapore
2. Organic Materials Laboratory, Department of Chemistry, National Institute of Technology Karnataka, Surathkal, Mangalore 575025, India
3. Center of Micro-Nano System, SIST, Fudan University, Shanghai 200433, China
4. Department of Physics and Technology, UiT The Artic University of Norway, Tromsø 9037, Norway
5. Yenepoya Research Centre, Yenepoya deemed to be University, Deralakatte, Mangalore 575 018, India