Organic Semiconductors Pdf [patched]

When a hole (positive charge) or electron is injected from a metal electrode, it moves not as a free particle but as a polaron —a charge distorted by the surrounding molecular lattice.

: Charge movement occurs when carriers "hop" or tunnel between neighboring -orbital systems. organic semiconductors pdf

OSCs are generally categorized into two major classes based on their molecular weight and processing methods: Description Common Examples When a hole (positive charge) or electron is

: Unlike the continuous bands in inorganic crystals, OSCs are characterized by discrete molecular orbitals: the Highest Occupied Molecular Orbital (HOMO) and the Lowest Unoccupied Molecular Orbital (LUMO) . The energy difference between these levels represents the bandgap, typically ranging from 1.5 to 3.0 eV. 2. Types of Organic Semiconductors organic semiconductors pdf