Cover -- Series Page -- Title Page -- Copyright Page -- Contents -- Preface -- Chapter 1 A Comprehensive Review of Graphitic Carbon Nitride (GCN/GC3N4) as a Promising Photocatalyst -- 1.1 Introduction -- 1.2 GCN as a Photocatalyst -- 1.3 GCN Modification to Act as a Photocatalyst -- 1.4 GCN-Based Nanocomposites as a Photocatalyst -- 1.5 Conclusion -- 1.6 Future Perspectives -- References -- Chapter 2 Nanocomposites for Pharmaceutical Waste Degradation: A Remediation Tool -- 2.1 Introduction -- 2.2 Pharmaceutical Waste Degradation -- 2.3 Conclusion -- 2.4 Future Perspectives -- References

Chapter 3 Nanostructure Metal Sulfides for Photocatalytic Water Remediation -- 3.1 Introduction -- 3.2 General Working Principle and Important Parameters for Photocatalysis on Metal Sulfide -- 3.3 Different Types of Metal Sulfide Photocatalysts: Monometallic Sulfides, Multimetallic Metal Sulfides, and Metal Sulfide Heterostructure -- 3.3.1 Monometallic Sulfides -- 3.3.2 Multimetallic Sulfides -- 3.3.3 Metal Sulfide Heterostructures -- 3.4 Copper Sulfide as Photocatalyst for Water Remediation -- 3.5 ZnS as a Photocatalyst for Water Treatment -- 3.6 FeS as a Photocatalyst for Water Remediation

3.7 Conclusion -- References -- Chapter 4 Metal-Organic Framework as Potential Candidates for Photo-Electrocatalysis -- 4.1 Introduction -- 4.2 Photocatalysis -- 4.2.1 Photocatalyst -- 4.3 Electrocatalysis -- 4.3.1 Electrocatalyst -- 4.4 Photo-Electrocatalysis -- 4.4.1 Photo-Electrocatalyst -- 4.4.2 MOFs -- 4.4.2.1 Sensing and Degradation of Pollutants -- 4.4.2.2 CO2 Reduction -- 4.5 Comparison of Photocatalysis, Electrocatalysis, and Photo-Electrocatalysis -- 4.6 Conclusion and Future Aspects -- References

Chapter 5 A Review on Photocatalytic Fuel Cell (PFC) for Sustainable Wastewater Treatment and Renewable Energy Production -- 5.1 Introduction -- 5.2 Photocatalysis -- 5.2.1 Theory -- 5.2.2 Mechanism -- 5.3 Photocatalytic Fuel Cell -- 5.3.1 Theory -- 5.3.2 Features -- 5.3.3 Working Principle -- 5.3.4 Design -- 5.3.4.1 Single-Photoelectrode PFC -- 5.3.4.2 Dual-Photoelectrode PFC -- 5.3.5 Electrodes -- 5.3.5.1 Photoanode -- 5.3.5.2 Photocathode -- 5.3.5.3 Wastewater Treatment and Pollutant Degradation -- 5.3.6 Electricity Generation -- 5.4 Conclusion -- Declaration of Interest -- References

Chapter 6 Remediation of Wastewater through Photo-Induced Catalytic and Electrochemical Hydrogen Production -- List of Abbreviations -- 6.1 Introduction -- 6.2 Mechanism of Photocatalysis -- 6.3 Homogeneous and Heterogeneous Photocatalysis -- 6.3.1 Homogeneous Photocatalysis -- 6.3.1.1 Fenton Reaction -- 6.3.2 Heterogeneous Photocatalysis -- 6.3.2.1 Photocatalytic Materials -- 6.3.2.2 Applications of Photocatalytic Processes -- 6.3.3 Photoelectrochemical Approach in Wastewater Treatment -- 6.4 Conclusion -- 6.5 Challenges and Future Aspects -- References