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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)?

Introduction:
• 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).
➨Brittle
➨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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