This article needs additional citations for verification. Please help improve this article by introducing citations to responsible sources. Unsourced materials may be challenged and taken off. The electrons are greater part carriers in N-sort and holes are bulk carriers in P-sort. The electrons of N-kind are in the conduction band https://www.uk-exhibitionstands.co.uk/maximise-your-brand-impact-with-a-bespoke-exhibition-stand-from-uk-exhibition-stands/