1. Center for Solar Energy and Energy Storage, Washington University in St. Louis, St. Louis, Missouri 63130, United States
2. Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
3. Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, India
4. DST-IITM Solar Energy Harnessing Centre, Indian Institute of Technology Madras, Chennai 600 036, India