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What is a silane and how is it formed?

A silane is a compound made up of silicon and hydrogen atoms, often used in semiconductor manufacturing.

Silanes are formed through a process called silane synthesis, which involves the reaction of silicon tetrachloride with hydrogen gas in the presence of a catalyst. This reaction produces a mixture of silanes, including monosilane (SiH4), disilane (Si2H6), and trisilane (Si3H8).

Silanes are important in the semiconductor industry because they can be used to deposit thin films of silicon onto a substrate, which is a key step in the production of microchips and other electronic devices. Silanes are also used in the production of solar cells, as well as in the manufacture of coatings and adhesives.

However, silanes can be highly reactive and flammable, and must be handled with care. They can also be toxic if inhaled or ingested, and can cause skin and eye irritation. As a result, proper safety precautions must be taken when working with silanes, including the use of protective equipment and proper ventilation.

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