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artificial photosynthesis

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jackie hofmeier-clark

on 30 March 2011

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Transcript of artificial photosynthesis

Artificial photosynthesis photosynthesis is a process that occurs naturally. Its when sunlight water and carbon dioxide is converted to carbohydrates and oxegen. Sometimes, splitting water into hydrogen and oxygen by using sunlight is also referred to as artificial photosynthesis. The actual proccess of artifiical photosynthesis is called photo-oxidation. Photo-oxidation is a half-reaction that is essential in separating water molecules because it releases the hydrogen and oxygen ions. These ions are needed to reduce carbon dioxide into a fuel(carbohydrates). The only way that one can do this is by external catalyst, one that can react quickly as well as constantly absorb the sun’s photons. The general basis behind this theory is the creation of an “artificial plant” type fuel source.[1] The actual process of artificial photosythesis is called photo-oxidation. Photo oxidation is a half-reaction that allows the overall photosynthetic reaction to take place. Photo-oxidation is essential because it separates water molecules into hydrogen and oxygen ions. These ions are needed to reduce carbon dioxide into a fuel. It does this by creating an external catalyst, one that can react quickly and absorb the sun’s photons. This basically is the theory of creation of an “artificial plant” and new fuel source. Photo oxidation 1st it breaks up the hydrogen and oxegen ions catalysis an oxegen evolving complex is used as an external catalysis that absorbs sunlight. The oxegen evolving complex is a enzyme that reacts to sunlight during photo-oxidition of water This helps turn sunlight into energy and basically we have robotic plants. advantages these artifical plant cells can be made at a fifth of the price of silicium cells used for solar panels.
this solar energy can emidetly be converted and stored.
Its a renewable energy
Help diminish CO2 emmisions Disadvantages The artifical photosythesis cells can last no longer than a couple years
The cost for alteration right now can't compete with fossil fuels and natural gas as a source ofenergy
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