L. Syam Sundar is a researcher at Prince Mohammed Bin Fahd University, Saudi Arabia. Sundar obtained his doctorate in the field of Energy Systems from Jawaharlal Nehru Technological University, India and was a postdoc Research Fellow at University of Aveiro.Shaik Feroz is a professor at Prince Mohammed Bin Fahd University, Saudi Arabia. Feroz obtained his doctorate in the field of Chemical Engineering from Andhra University, India and was a postdoc Research Fellow at Leibniz University, Germany.Faramarz Djavanroodi received his Ph.D. from Imperial College, London and is the Chair of the Mechanical Engineering Department and Director of Patent Office at Prince Mohammad Bin Fahd University, Saudi Arabia.

• 1. Introduction. 2. Nanomaterials for Solar Cells. 3. Two-Dimensional and Three-Dimensional (3D) Perovskite Structures for Robust and Efficient Solar Cell Fabrication. 4. Strategies and Progress in Fabrication of Metal Halide Perovskite Nanocrystal Solar Cells. 5. Effect of Nanomaterials on the Production of Hydrogen from the Electrochemical Process of Water Splitting. 6. Nano-MOFs and MOF-Derived Nanomaterials for Electrocatalytic Water Splitting. 7. Novel Strategies for Improved Catalytic Hydrogen Evolution Using Highly Efficient Nanostructures. 8. Emerging MXene-Derived Photocatalysts for Harvesting Solar Energy into Chemical Energy. 9. Nanomaterial and Polymer-Based Photocatalysts for Energy Applications. 10. The Use of Advanced Nanomaterials for Lithium-Ion Rechargeable Batteries. 11. Graphene and Graphene-Based Composite Nanomaterials for Rechargeable Lithium-Ion Batteries. 12. Advanced Nanocomposites Materials for Supercapacitor Applications: Characteristics and Properties. 13. Metals and Metal Oxides-Based Nanomaterials as Solid Nanostructures and their Applications. 14. Metal and Metal Oxide Nanostructures for Superconductors. 15. Applications of Iron Nanoparticles on Osmotic Membrane Processes to Reduce Energy Consumption and Biofouling. 16. Nanotechnology for Wastewater Remediation.

L. Syam Sundar is a researcher at Prince Mohammed Bin Fahd University, Saudi Arabia. Sundar obtained his doctorate in the field of Energy Systems from Jawaharlal Nehru Technological University, India and was a postdoc Research Fellow at University of Aveiro.Shaik Feroz is a professor at Prince Mohammed Bin Fahd University, Saudi Arabia. Feroz obtained his doctorate in the field of Chemical Engineering from Andhra University, India and was a postdoc Research Fellow at Leibniz University, Germany.Faramarz Djavanroodi received his Ph.D. from Imperial College, London and is the Chair of the Mechanical Engineering Department and Director of Patent Office at Prince Mohammad Bin Fahd University, Saudi Arabia.

• 1. Introduction. 2. Nanomaterials for Solar Cells. 3. Two-Dimensional and Three-Dimensional (3D) Perovskite Structures for Robust and Efficient Solar Cell Fabrication. 4. Strategies and Progress in Fabrication of Metal Halide Perovskite Nanocrystal Solar Cells. 5. Effect of Nanomaterials on the Production of Hydrogen from the Electrochemical Process of Water Splitting. 6. Nano-MOFs and MOF-Derived Nanomaterials for Electrocatalytic Water Splitting. 7. Novel Strategies for Improved Catalytic Hydrogen Evolution Using Highly Efficient Nanostructures. 8. Emerging MXene-Derived Photocatalysts for Harvesting Solar Energy into Chemical Energy. 9. Nanomaterial and Polymer-Based Photocatalysts for Energy Applications. 10. The Use of Advanced Nanomaterials for Lithium-Ion Rechargeable Batteries. 11. Graphene and Graphene-Based Composite Nanomaterials for Rechargeable Lithium-Ion Batteries. 12. Advanced Nanocomposites Materials for Supercapacitor Applications: Characteristics and Properties. 13. Metals and Metal Oxides-Based Nanomaterials as Solid Nanostructures and their Applications. 14. Metal and Metal Oxide Nanostructures for Superconductors. 15. Applications of Iron Nanoparticles on Osmotic Membrane Processes to Reduce Energy Consumption and Biofouling. 16. Nanotechnology for Wastewater Remediation.

L. Syam Sundar is a researcher at Prince Mohammed Bin Fahd University, Saudi Arabia. Sundar obtained his doctorate in the field of Energy Systems from Jawaharlal Nehru Technological University, India and was a postdoc Research Fellow at University of Aveiro.Shaik Feroz is a professor at Prince Mohammed Bin Fahd University, Saudi Arabia. Feroz obtained his doctorate in the field of Chemical Engineering from Andhra University, India and was a postdoc Research Fellow at Leibniz University, Germany.Faramarz Djavanroodi received his Ph.D. from Imperial College, London and is the Chair of the Mechanical Engineering Department and Director of Patent Office at Prince Mohammad Bin Fahd University, Saudi Arabia.

• 1. Introduction. 2. Nanomaterials for Solar Cells. 3. Two-Dimensional and Three-Dimensional (3D) Perovskite Structures for Robust and Efficient Solar Cell Fabrication. 4. Strategies and Progress in Fabrication of Metal Halide Perovskite Nanocrystal Solar Cells. 5. Effect of Nanomaterials on the Production of Hydrogen from the Electrochemical Process of Water Splitting. 6. Nano-MOFs and MOF-Derived Nanomaterials for Electrocatalytic Water Splitting. 7. Novel Strategies for Improved Catalytic Hydrogen Evolution Using Highly Efficient Nanostructures. 8. Emerging MXene-Derived Photocatalysts for Harvesting Solar Energy into Chemical Energy. 9. Nanomaterial and Polymer-Based Photocatalysts for Energy Applications. 10. The Use of Advanced Nanomaterials for Lithium-Ion Rechargeable Batteries. 11. Graphene and Graphene-Based Composite Nanomaterials for Rechargeable Lithium-Ion Batteries. 12. Advanced Nanocomposites Materials for Supercapacitor Applications: Characteristics and Properties. 13. Metals and Metal Oxides-Based Nanomaterials as Solid Nanostructures and their Applications. 14. Metal and Metal Oxide Nanostructures for Superconductors. 15. Applications of Iron Nanoparticles on Osmotic Membrane Processes to Reduce Energy Consumption and Biofouling. 16. Nanotechnology for Wastewater Remediation.