| Popis: |
Direct conversion of water to hydrogen via solar energy encounters multiple obstacles in practical operation - the most important ones being low current density and short-term stability. If photoelectrochemical water splitting is expected to ever compete with a solar panel system in tandem with electrolyzers, it is necessary to develop photoelectrodes with higher current densities using certain nanostructures and a combination of materials that meet a wide range of requirements. The limited stability of photoelectrodes becomes more pronounced with the rise of their efficiency and in photoelectrochemical water splitting is one of the biggest challenges hindering the commercialization of this technology. For this reason, it is of utmost importance to find materials that could fulfill both aforementioned requirements to bring the photoelectrochemical water splitting to the level of competitiveness. This review seeks to provide insight into what has been researched so far, as well as to propose the perspective future directions for the technology development regarding mentioned drawbacks. |
