Artificial leaves that can photosynthesize in nature

Scientists have developed a new method to reduce the amount of carbon dioxide increased by the effect of greenhouse gases: artificial leaves that can photosynthesize. These artificial leaves can photosynthesize using pure and pressurized carbon dioxide in tanks in a laboratory environment, resulting in carbon monoxide and oxygen being released. However, since these leaves are not porous as in natural leaves, they cannot separate the carbon dioxide in the air from other gases and use them directly for photosynthesis. Therefore, the artificial leaves were covered with a semi-permeable membrane consisting of a water-filled, carbon-retaining, amine (organic compound consisting of nitrogen and hydrogen atoms) resin. The amine groups react with carbon dioxide and in this way, they allow the carbon dioxide in the air to be attached to the membrane. Carbon dioxide entering through artificial stomata is converted to carbon monoxide in the artificial photosystem. As the water heated by sunlight evaporates and comes out of the membrane, carbon dioxide enters the membrane instead, and the process continues in this way.

Post Author: Tuba Dedecan

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