1. Introduction<br>2. Rutile TiO2-based New Photocatalysts for Visible-light Water Oxidation<br>3. Factors Affecting Photocatalytic Activity of TiO2<br>4. Controllable Synthesis of TiO2: Toward an Efficient Photocatalyst<br>5. TiO2-based Photocatalytic Conversion Processes: Insights from In Situ Infrared Spectroscopy<br>6. Photoreduction of CO2 on non-TiO2 Based Metal Oxides<br>7. Titania Based Photocatalyst for Dynamic Degradation of VOCs<br>8. Solvothermal Alcoholysis Preparation of TiO2 with Tailored Structures and Enhanced Activity in Environmental and Energy Photocatalysis<br>9. TiO2 Polymorphs for Hydrogen Photoproduction<br>10. Progress in Fundamental Studies and Practical Applications of SrTiO3 Photocatalysts to Overall Water Splitting<br>11. Environmental Friendly Synthesis of High Efficient Composite Type Photocatalysts<br>12. Photocatalytic Conversion of CO2 by H2O over Heterogeneous Photocatalysts<br>13. Seizing Solar Hydrogen from Water Promoted by Magic Spin Transporting, Chiral-induced Spin State-selective Filtering, and Upconversion<br>14. Recent Advances in the Development of Photocatalytic NOx Abatement<br>15. ZnO Nanomaterials: Strategies for Improvement of Photocatalytic and Photoelectrochemical Activities<br>16. BiVO4, a Ternary Metal Oxide as an Efficient Photocatalytic Material<br>17. Photocatalytic and Photo-Fenton-catalytic Degradation of Organic Pollutants by BiFO3 (BFO) and BiVO4 (BVO) Photocatalysts under Visible-light Irradiation<br>18. Preparation and Photocatalytic Performance of Monolayer Inorganic Oxide Nanosheets<br>19. TiO2/carbon Composite Nanomaterials for Photocatalysis<br>20. The Design and Development of MOF Photocatalysts and Their Applications for Water Splitting Reaction<br>21. Light-induced Organic Transformations over some MOF Materials<br>22. Mesoporous Silica supported Ag based-Plasmonic Photocatalysts<br>23. Development of Metal Sulfide-based Photocatalysts for Hydrogen Evolution Under Visible Light<br>24. Photocatalysis with Octahedral Sulphides<br>25. Reduced Graphene Oxide (rGO) Supported on Metal Oxides Catalysts for Photocatalytic Reactions<br>26. Current Development of Graphitic Carbon Nitride Photocatalysts as One of Organic Semiconducting Photocatalytic Materials<br>27. Carbon Nitride as Photocatalyst in Organic Selective Transformations<br>28. Heterogeneous Photocatalysis by Organic Materials: From Fundamental to Applications<br>29. Photocatalytic Performance of Hexagonal Boron Carbon Nitride Nanomaterials<br>30. Theoretical Studies of Two-dimensional Photocatalyst Materials<br>31. Atomically Scale Design of Van der Waals Heterostructures as Photocatalysts