n-type semiconductors use phosphorus doping, in p-type semiconductors use boron to create holes

junction ntype ptype impurity semiconductors atom molecule formula atomic structure chemistry pan matter isolated scientific crystal semiconductor transistor science positive vector electronic electron negative education symbol physics cathode diode silicon voltage electrical diodes model educational holes white conductivity current layer electrons ion doping use phosphorus boron create doped extra font line text circle diagram brand pattern design cartoon number logo drawing presentation screenshot document art organ symmetry