Photovoltaic | How Can A Potato Be Used To Make A Photovoltaic Cell?
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Photovoltaic | How Can A Potato Be Used To Make A Photovoltaic Cell?

my last question asked how to use copper to make a photovoltaic cell and i got an answer that i should place a piece of copper in a potato or lemon..i want further details..how can i make it….please i have no idea what to do..how can lemon or potato be used for the purpose?

Photovoltaic Cells require specialized semi conductors like specially treated silicon crystals. The answer you are refering to mentioned potatos to make a battery not a photovoltaic cell.Potatos and lemons, and all fruits and vegetables for that matter, store solar energy from photosynthesis. This however is not photovoltaic as electricity is not generated at all during photosynthesis.You can however create batteries with copper, zinc, and a potato, lemon, or banana. These foods contain weak electrolytes, one of the main ingredients in a battery. Unfortunately a potato battery is very weak and much more expensive than batteries you can buy at the store.


A potatoe while growing uses its leaves as a type of photovoltaic cell to perform photosynthesis.

I remember an experiment in high school, many moons ago, that involved connecting two wires to a small lightbulb and then putting the other two wires into a potatoe (corn cob, onion) and the lightbulb glowed slightly and not for a long duration.

A potato can be used to make a chemical battery, as can many fruits and vegetables. A photovoltaic element is very different.

There are a lot of web sites that describe how to do this. Just look. Even a lot of answers on Y!A here already about it. Just look.

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