Skip to main content

Non-registered mode. Register to save your course progress.

By exploring the course, you are agreeing to our Terms of Service and Privacy Policy. Please read them carefully.

Solar

This is the wiki for Engineering's Solar Cells, Fuel Cells and Batteries.

Useful constants

Planck's constant h
6.626e-34 J*s
4.135e-15 eV*s

Reduced Planck constant
Dirac constant h-bar
1.054e-34 J*s
6.582e-16 eV*s

Mass of an electron m
3.109e-31 kg

Boltzmann constant k_B
1.381e-23 J/K
8.617e-5 eV/K

k_B*T at 300K
4.14e-21 J
2.58e-2 eV

Silicon

Valence band density of states Nv
1.83e19 /cm^3

Conduction band density of states Nc
3.22e19 /cm^3

Band gap energy Eg at 300K
1.12 eV
Last modified:
Oct. 21, 2013, 9:54 p.m.