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The metal in the silicon wafer
- The properties of silicon have excellent electrical properties. The band gap is moderate, and is 1.21 ev. Higher carrier mobility, the electron mobility is 1350 cm / sec / V /, hole mobility is 480 cm / sec / v. The resistivity at room temperature (300K) up to 2.3 x 10 - Europe - cm wide, doped resistivity can be controlled in 10 - to 10 - Europe - cm, can meet the needs of manufacturing various devices. The minority carrier lifetime of the single crystal silicon is longer than that in a few tens of microseconds to 1 milliseconds. Larger thermal conductivity. The chemical property is stable, and is easy to form a stable thermal oxidation film. It can be used to realize the surface passivation and protection of the PN junction in the fabrication of planar silicon devices, and the metal oxide semiconductor structure can be formed to produce MOS field effect transistors and integrated circuits. The properties of the PN junction has good characteristics, so that the silicon device has the advantages of high pressure, the reverse leakage current, high efficiency, long service life, good reliability, good heat conduction, and in the 200 - high temperature operation etc..s
A couple questions about home made solar panels?
- I have no idea the out put of the panel you plan to make, but $200.00 will not even come close to power much. You don't say whether you want to power your house straight from the solar panels (not possible, because the sun doesn't shine 24/7). That being said,you will need a very large array to power your house,going to battery's to inverter to get AC power. Your initial cost would be around $25000,00, but you might be eligible for a tax rebate and maybe a rebate from your state and power company. There is a lot more to be said on the subject,but this is enough to either get you started or discouraged.s
How much candle lights is required to operate a 205 watt solar panel?
- That's hard to tell. A solar panel produces somewhere between 7 and 0W per square foot under sunlight exposure. You should calculate the light intensity of sunlight, and then calculate the light intensity of a candle (You'll have to look that up in some physics book or the internet) and then just multiply the number of candles until you match the intensity of sunlight. Realistically, you would need so many candles that you wouldn't be able to fit them in front of the solar panels, assuming you don't end up with a huge fireball.s
What is the solar cell production process
- The battery is also known as a "photovoltaic cell", the semiconductor material used for solar cells is a special substance between the conductor and the insulator.s
how many solar panels?
- dozens at a huge cost which only run in sunlight so not ideal for running lights, solar panels are just not economical or reliable, probably around $5000?s
H2 as an Alternative Fuel Source using Solar Panels?
- It's an idea that will be done someday. But right now the problem is that there are much cheaper ways to get energy and run cars. So no one would use this one, because it just costs too much. As other sources of energy get costlier, and we figure out how to make solar panels better and more cheaply, this will be done. The best way known now to use the hydrogen in a car is to put it into a kind of electricity generator called a fuel cell. Then the electricity runs an electric motor. Controlling the measurements into the fuel cell is pretty easy just with a simple flow meter.s
i want to light up a building using solar panel what do i need?
- The solar panels are made in China because there are fewer environmental regulations and cheap coal power. It takes a lot of energy to melt silicon and there are toxic waste products. It would be three to five times more expensive to make the panels in the US ( three times is just for reprocessing the toxic wastes ). Solar cell made in China are about $2 a watt, perhaps as low as $ a watt but in truth the claims for $ a watt or less solar panels as in thin film solar panels have much lower efficiency and require perhaps ten times more surface area.s
can I run a desktop computer with a solar panel?
- Guide okorder.com/s
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