1. Modelling and design of photoreactors 2. From photoelectrochemical cell to practical devices 3. Nanostructured thin films for Photoelectrochemical Hydrogen Generation 4. Solar energy to chemical energy: New strategies for organic synthesis using functionalized inorganic semiconductors-based photocatalysts 5. Novel architectures for enhanced solar energy conversion 6. From waste to valuables: Synthesis and design of photocatalysts to master selectivity in Photoreforming 7. In silico designing of solar energy conversion 8. Solar Energy conversion: From CO2 to valuables 9. Plasmonic enhanced broadband absorption 10. Role of defects in transition metal oxides based photocatalytic applications 11. Atomic-level designed synthesis of heterojunctions for enhanced photocatalytic generation of H2 fuel 12. Two-dimensional materials for highly efficient photoelectric conversion processes toward the next-generation solar cells 13. Nanoscale Greenhouse Enabled CO2 Photocatalysis 14. Role of Surface chemistry of quantum dots in photocatalytic applications 15. Band shape engineering of transition metal oxides for enhanced photocatalytic generation of H2 Fuel 16. Metal-organic frameworks for photocatalysis 17. Photon engineering of catalysts for water oxidation 18. Ru-complex as a molecular catalyst for water oxidation 19. Colloidal quantum heterostructures for next-generation solar energy conversion 20. Hydrogen, a key to decarbonization