N-Type and P-Type Semiconductor – Summary November 25, 2020May 14, 2014 by Whatsapp Cikgu Kwee now! p-type semiconductor n-type semiconductor Doping MaterialTrivalent:aluminium, boron, and galliumPentavalent:antimony, and phosphorusRole of doping materialAtom receiverAtom donorMajority Charge CarrierHolesFree electronsMinority Charge CarrierFree electronsHoles