Photoelectrochemical (PEC) water splitting has emerged as a promising technology to generate hydrogen using solar energy - a source of renewable energy. Advances in Semiconducting Nanostructures for Photoelectrochemical Water Splitting presents the overall progress in this area using nanotechnology. It begins by providing an overview of the basic concepts of photoelectrochemical water splitting, including operation and efficiency. It details various strategies to design nanostructured materials of different morphologies to improve the performance of photoelectrochemical water splitting technologies. Performance indicators emphasized include stability and reliability of photoelectrochemical water splitting technologies. Nanostructured material morphologies reviewed include nanocomposites, nano heterojunctions, nanoparticles integrated with metals or other semiconducting materials. Advances in Semiconducting Nanostructures for Photoelectrochemical Water Splitting is suitable for researchers working in academia and industry in the disciplines of materials science and engineering, renewable energy, and chemical engineering. Includes detailed description of the state-of-art progress of strategies to improve the efficiency and stability of photoelectrochemical water splitting (PEC) using nanotechnology Reviews different morphologies of nanostructured materials such as nanocomposites, nanoparticles, nano-heterojunctions and more Explores hybrid system designs for PEC water splitting technologies