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Advantages of Silicon (Si) | disadvantages of Silicon (Si)

This page covers advantages and disadvantages of Silicon (Si). It mentions Silicon (Si) advantages or benefits and Silicon (Si) disadvantages or drawbacks.

What is Silicon (Si)?

• It is chemical element having symbol Si.
• It has atomic number 14.
• Silicon (Si) is tetra-valent metalloid and semiconductor. It is hard and brittle crystalline solid having blue-grey metallic lustre.
• It is 8th most common element found in universe by mass.
• It is available in various forms viz. Silicon (Si) dioxide (or silica) or silicate.
• It is 2nd most abundant element found in the crust of the Earth after oxygen.
• Silicon (Si) material is used commercially without being separated. It is also used often with little processing of the natural minerals.
• It is indirect gap semiconductor with energy gap of 1.12 eV.

Benefits or advantages of Silicon (Si)

Following are the benefits or advantages of Silicon (Si):
➨As mentioned, it is second most abundant element available in the crust of the Earth.
➨It is relatively low in costs due to use of well established processing techniques.
➨There is huge market for crystalline Silicon (Si).
➨It has highest efficiency.
➨Due to its hardness, large wafers can be handled safely without any damage.
➨It is thermally stable upto 1100oC.

Drawbacks or disadvantages of Silicon (Si)

Following are the disadvantages of Silicon (Si):
➨It needs thick layer (crystalline).
➨Limited substrates
➨It is expensive to produce Silicon (Si) crystals.
➨some processing wasteful
➨It has short life cycles.
➨Toxic substances are produced and are used in manufacturing.

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