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Question:

I studied very hard at school, but I just can not figure out how solar cells work, anybody can help me with that?

I studied very hard at school, but I just can not figure out how solar cells work, anybody can help me with that?

Answer:

It's not a easy job.
You just need to keep on working and doing experiments, and you will work it out eventually.
The principle of solar cells is quite difficult to understand.
The process of solar cells' conversion first requires a material which absorbs the solar energy (photon), and then raises an electron to a higher energy state, and then the flow of this high-energy electron to an external circuit. Silicon is one such material that uses such process.
I had the same experience before when I was learning how solar cells work.

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