Similar to a process in natural photosynthesis, sunlight can also be used in artificial leafs to split water into oxygen and hydrogen.
The energy transition in Germany is making progress. In 2015, hydropower, wind, sun and biomass provided about 35 percent of electricity.
Lithium-ion batteries provide laptops, smart phones, and tablet computers with reliable energy. However, electric vehicles have not gotten as far along with conventional lithium-ion batteries.
The four elements comprising CIGSe are vapour-deposited onto a substrate together to form a very thin layer of tiny chalcopyrite crystals.
This explains why zinc-oxide (ZnO) dye-sensitised solar cells have not yet met expectations.
The “artificial leaf” consists in principle of a solar cell that is combined with further functional layers.