Energy question of the week: Can sunlight be used to split water directly into oxygen and hydrogen?

10. May 2010, 09.40
Solar cells are good at converting sunlight directly into electricity. However, they come nowhere close to the efficiency of natural photosynthesis. Using chlorophyll, green plants have mastered the art of producing energy-rich molecules such as sugar and starch from carbon dioxide, water and sunlight. Would it not make sense to harness this natural process to generate energy?
Jan Oliver Löfken
Posted by
Jan Oliver Löfken