Silicon: The Key to Solar Panel Efficiency & Why Carbon Isn't Used

In summary, the crystalline structure of silicon is what makes it useful in solar panels due to its band gap size and conductivity properties. Carbon is not used because it has a smaller band gap and cannot efficiently convert light in the visible spectrum into electricity.
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Siddharth Menon
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How does the crystalline structure of silicon make it useful in solar panels? Why is carbon not used?
 
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Siddharth Menon said:
How does the crystalline structure of silicon make it useful in solar panels? Why is carbon not used?

Start with the most obvious. Find out the band gap size of Si versus C. Then compare the wavelength that is of interest, in this case, in the visible spectrum. Which material, do you think, will allow for an increase in conductivity when light of that wavelength range impinges on it?

Zz.
 
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Hint number 2: How does what Zapper wrote relate to the *crystal* structure of Si?
 
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Aaaaaaah alright thanks.
 

1. What is silicon and why is it important for solar panel efficiency?

Silicon is a chemical element commonly used in the production of solar panels. It is important for solar panel efficiency because it has the unique ability to convert sunlight into electricity through the photovoltaic effect.

2. How does silicon contribute to the efficiency of solar panels?

Silicon is a semiconductor material, meaning it can conduct electricity but also act as an insulator. This property allows for the flow of electrons when exposed to sunlight, generating electricity in solar panels.

3. Why isn't carbon used instead of silicon in solar panels?

Carbon does not possess the same properties as silicon and is not able to efficiently convert sunlight into electricity. Additionally, silicon is abundant and cost-effective, making it the most practical choice for solar panel production.

4. Are there any downsides to using silicon in solar panels?

Silicon can be expensive to produce and the manufacturing process can also be energy-intensive. However, advancements in technology have made the production of silicon more efficient and cost-effective.

5. Is there ongoing research to improve the efficiency of silicon in solar panels?

Yes, there is ongoing research to improve the efficiency of silicon in solar panels. This includes developing new methods of production and exploring alternative materials to enhance the performance of solar panels.

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