High Quality Content by WIKIPEDIA articles! Artificial photosynthesis is a chemical process that replicates the natural process of photosynthesis, a process that converts sunlight, water, and carbon dioxide into carbohydrates and oxygen. The term is commonly used to refer to any scheme for capturing and storing the energy from sunlight in chemical bonds of a fuel. Splitting water, or photoelectrolysis, is one form of artificial photosynthesis that converts water into hydrogen and oxygen using sunlight.