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How To Build A Solar Cell

Learn a few things about how you can actually build your own solar cell with a few simple things and understand how it generates electricity.

A Homemade Solar Cell Experiment
PRLog - May 16, 2010 - It is possible to find out how to build a solar cell by way of only a couple of simple materials! This will help you to transfer energy gathered from the sun directly into electrical energy. As opposed to expending thousands on enormous, advanced factory solar panel products, you can actually uncover how to build a solar cell simply just in roughly an hour or so. Besides silicon materials made use of in manufactured solar energy panels, we can begin using cuprous oxide to figure out how to build a solar cell. Cuprous oxide is among the foremost compounds that showcases the photoelectric result, where light brings about electricity to move through a material.

Prevalent Items For Learning How to build A Solar Cell:

1 sheet copper flashing from components store (half a square foot)
2 alligator clip leads
1 sensitive micro-ammeter which will read currents that are ın between 10 - 50 microamperes
1 electric stove or a one-burner hotplate
1 large, clear plastic bottle with the top cut
1-2 tablespoons of salt
Tap water
Sand paper, a wire brush, or an electric drill
Sheet metal shears to cut the copper sheet

This is in fact everything that you will have to master how to build a solar cell, in basic terms.

How to build A Solar Cell: How Does It Operate?

Cuprous oxide acts as a semi-conductor. Right here, a semiconductor is placed ın between a conductor (electricity is authorized to circulate freely ) and an insulator (electric power is allowed to flow widely and electrons are snugly chained to their atoms , nor flow openly). With the semiconductor, a gap occurs (also known as a bandgap) somewhere between electrons which are usually securely chained to the atom and the electrons which you'll find far from the atom, that may move around without restraint and conduct electrical energy. The electrons may not remain in the bandgap mainly because an electron will not secure merely a minor level of energy and initiate to relocate away from the atom's nucleus and towards the bandgap. The electron necessities to get suitable energy to shift farther away from the nucleus and outside of the bandgap.

Furthermore, an electron which is right outside of the bandgap cannot remove a slight level of energy and slip just a bit nearer to the nucleus. It needs to drop a satisfactory amount of energy to fall past the bandgap toward the area where the electrons are permitted. As sunlight gets to the electrons in the cuprous oxide, several make an adequate amount of energy to advance beyond the bandgap and grow to be free enough to conduct electrical energy. These electrons move through the saltwater, inside the copper sheet, into the wire, up the meter, and back down to the cuprous oxide sheet. As the electrons run up in the direction of the meter, they give off enough energy to shift the needle. If you find less sunshine available, lesser electrons are there to do the work, making a dip in the meter's needle.

Concluding Information On How to build A Solar Cell

The solar panel produced with these resources emits 50 microamps at .25 volts, which is .0000125 (12.5 microwatts). There is not a sufficient quantity of energy in this single selfmade cell to light a light bulb or charge a battery, but you can use it as a basic light detector or light meter.

Try it for yourself! If you're interested in a lot more options to learn about how to build a solar cell that gives off ample energy to power much larger things and even your total home, visit www.GreenEnergyApproach.com.

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Source:Elise M.
Industry:Solar energy, Solar panels
Tags:how to build a solar cell, solar energy, solar power, solar system, solar panel, renewable energy
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