SiO2: What is it and Where is it Used?

  • Thread starter dervast
  • Start date
In summary, SiO2, or silicon dioxide, is also known as silica and is a major component of sand and glass. It is used in the semiconductor industry as an insulating oxide barrier.
  • #1
dervast
133
1
SiO2 questions please

Hi ... :)
I am the biggest noob ever created in earth... I want to find inforamtion about SiO2 .. I know Si is the silicon but i don't know SiO2 is... I want to find info... what is it? where is it used? How can we create it?
Thx
 
Physics news on Phys.org
  • #2
SiO2 is silicon dioxide (just as CO2 is carbon dioxide) and is more commonly known as silica, which in the form of a network solid is the primary constituent of sand and glass. http://www.the-piedpiper.co.uk/th13(a).htm

In the semiconductor industry, SiO2 is important as the insulating oxide barrier that is grown over a silicon-based device.

http://www.semiconfareast.com/oxidation2.htm
 
  • #3
for your help!

Hi there,

SiO2 stands for silicon dioxide, which is a chemical compound composed of silicon and oxygen atoms. It is commonly known as silica and is found in various forms such as quartz, sand, and glass. It is one of the most abundant minerals on Earth and has many important uses in various industries.

In its natural form, SiO2 is found in rocks and sand, and is used in construction materials such as concrete, bricks, and ceramics. It is also used in the production of glass, both for everyday use and in specialized applications such as fiber optics.

SiO2 is also a key component in the manufacturing of computer chips and other electronic devices. It is used as an insulator and as a key material in semiconductors.

In addition to its industrial applications, SiO2 also has many uses in everyday products such as toothpaste, cosmetics, and food additives. It is also used in the production of solar panels and as a catalyst in chemical reactions.

To create SiO2, silicon is extracted from silica-rich rocks and then combined with oxygen to form the compound. The process can also be done synthetically in a laboratory setting.

I hope this helps answer your questions about SiO2. Let me know if you need any further information.
 

1. What is SiO2?

SiO2, also known as silicon dioxide, is a chemical compound composed of one silicon atom and two oxygen atoms. It is one of the most abundant minerals in the Earth's crust and is commonly found in the form of quartz, sand, and glass.

2. What are the properties of SiO2?

SiO2 is a hard and brittle substance with a high melting point. It is insoluble in water and most acids, but can be dissolved in hydrofluoric acid. It is also a poor conductor of electricity and heat.

3. Where is SiO2 used?

SiO2 has a wide range of applications in various industries. It is commonly used in the production of glass, ceramics, and cement. It is also used in the manufacturing of semiconductors and optical fibers. In addition, it is used as a filler in paints, plastics, and rubber products.

4. Is SiO2 harmful to human health?

No, SiO2 is generally considered to be safe for humans. It is non-toxic and does not pose any significant health risks. However, prolonged exposure to airborne silica particles can cause respiratory problems in some individuals.

5. How is SiO2 extracted and produced?

SiO2 is extracted from various mineral sources such as quartz, sand, and diatomaceous earth. The extraction process involves crushing and grinding the raw material, followed by chemical treatment to remove impurities. SiO2 is then heated at high temperatures to produce different forms such as fused silica, colloidal silica, and fumed silica.

Similar threads

  • Atomic and Condensed Matter
Replies
1
Views
1K
Replies
9
Views
1K
Replies
11
Views
2K
  • Biology and Chemistry Homework Help
Replies
5
Views
2K
  • General Engineering
Replies
1
Views
3K
  • Materials and Chemical Engineering
Replies
1
Views
2K
  • Materials and Chemical Engineering
Replies
2
Views
2K
Replies
7
Views
4K
  • Biology and Chemistry Homework Help
Replies
1
Views
3K
Replies
6
Views
16K
Back
Top