Symbol | Unit | Description | ||
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ms![]() |
Hopping rate between two sites | ||
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cm![]() |
Inverse localization length | ||
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s![]() |
Attempt to escape frequency | ||
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eV | Energy at site ![]() |
||
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eV | Energy at site ![]() |
||
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cm | Distance between site ![]() ![]() |
||
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1 | Occupation probability
of site ![]() |
||
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1 | Occupation probability
of site ![]() |
||
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s | Time | ||
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eV | Chemical potential at
site ![]() |
||
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eV | Chemical potential at
site ![]() |
||
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S/cm | Conductivity between
sites ![]() ![]() |
||
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eV | Voltage drop over a single hopping distance | ||
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J/K | Boltzmann constant | ||
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K | Temperature | ||
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eV | Energy drop over a single hopping distance | ||
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S/cm | Hopping conductivity | ||
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cm | Maximum hopping distance between two sites | ||
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eV | Maximum hopping energy of innitial or finial site | ||
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cm![]() |
Sites density in percolation theory | ||
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cm![]() |
Bonds density in percolation theory | ||
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cm![]() ![]() |
Density of states | ||
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1 | Unit step function |
Symbol | Unit | Description | ||
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eV | Transport energy | ||
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cm![]() |
Total hole concentration | ||
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cm![]() |
Mobile hole concentration | ||
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cm![]() |
Electron concentration | ||
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V | Potential | ||
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1 | Fraction of occupied states | ||
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cm![]() |
Concentration of trap states | ||
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S/cm | Critical conductivity in percolation theory | ||
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eV | Fermi energy | ||
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K | Width of exponetion DOS | ||
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eV | Width of Gaussian DOS | ||
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1 | Distance vector between sites ![]() ![]() |
||
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V/m | Electric field | ||
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m | Average hopping distance along the electric field | ||
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m | Nearest hopping range | ||
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eV | Variance of Gaussian DOS | ||
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S/cm | Conductivity prefactor in percolation theory | ||
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eV | Thermal equilibrium energy of hopping carriers | ||
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eV | Activation energy | ||
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cm![]() |
Total concentration of dopant states | ||
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K | Width of exponential DOS for dopants | ||
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A/cm![]() |
Current density | ||
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eV | Barrier height between metal and organic semiconductor | ||
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kg | Effective mass | ||
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m | Critical distance | ||
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Fm![]() |
Relative dielectric constant | ||
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S/cm | Sheet conductance | ||
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A/cm![]() |
Drain current density | ||
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V | Gate voltage | ||
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s | Relaxiation time for hopping transport | ||