Question

C, Si and Ge have same lattice structure.
Why is C insulator while Si and Ge intrinsic semiconductors??
:))​

Answer 1

Answer:

C, Si and Ge have same lattice structure. is C insulator while Si and Ge intrinsic semiconductors bcz

We know that C, Si and Ge are 4 valence atoms. Their 4 valence electrons are present in the IInd, IIIrd and IVth orbit of the respective atoms. The energy gap of the Ge is 0.72 eV, of Si is 1.1 eV and of C is 5.54 eV. ... That is why C is an insulator while Si and Ge are intrinsic semiconductors.