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Chemical vapour deposition is a method which is used to obtain which of the following substance?

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Chemical vapour deposition is a method which is used to obtain which of the following substance?

(a) Semiconductors

(b) Non conducting polymers

(c) Conducting compounds

(d) Crystalline semiconductor

This question was posed to me at a job interview.

This key question is from Preparation of Thin Films topic in chapter Preparative Methods of Solid State Chemistry

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The correct option is (d) Crystalline semiconductor

For explanation: Chemical vapour deposition is a method that make use of some of the principles involved in vapour phases transport reactions. It is used to obtain very pure films of crystalline semiconductors including III-V compounds.

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