Semiconductors, Insulators & Conductors, Basic Introduction, N type vs P type Semiconductor

This chemistry video tutorial provides a basic introduction into semiconductors, insulators and conductors. It explains the difference between an N-type semiconductor a P-type semiconductor. Conductors are metals like copper and silver which conduct electricity very well. Insulators are nonmetals like rubber or glass do not conduct electricity. Semiconductors are metalloids such as silicon and germanium which can conductor a small amount of electricity. The conductivity increases with temperature for semiconductors. For metals, the conductivity decreases with increasing temperature. Metals conduct electricity due to free flowing electrons. In an N-type semiconductor, the charge carriers are electrons. In a P-type semiconductor, the charge carriers are holes which are electron vacancies. An N-type semiconductor can be made by doping silicon with phosphorus which is has one more valence electron than silicon. A P-type semiconductor can be made by doping silicon with Aluminum which has one less valence electron than silicon.
Lewis Structures - Mega Review:
• Lewis Structures, Intr...
Sigma and Pi Bonding:
• Sigma and Pi Bonds Exp...
Hybridization of Atomic Orbitals:
• Hybridization of Atomi...
Molecular Orbital Theory:
• Molecular Orbital Theo...
Dipole Dipole Forces of Attraction:
• Dipole Dipole Forces o...
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Hydrogen Bonding:
• Hydrogen Bonds In Wate...
London Dispersion Forces:
• London Dispersion Forc...
Ion Dipole Forces:
• Ion Dipole Forces & Io...
Bragg's Equation For X-Ray Diffraction:
• Bragg's Equation For X...
Molecular & Network Covalent Solids:
• Ionic Solids, Molecula...
_______________________________
Metallic Bonding:
• Metallic Bonding and t...
Metal Alloys:
• Metal Alloys, Substitu...
Diamond Vs Graphite:
• Structure of Diamond a...
Semiconductors:
• Semiconductors, Insula...
Unit Cell Chemistry:
• Unit Cell Chemistry ...
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