9. Quantum Mechanics
Electromagnetic Spectrum
9. Quantum Mechanics Electromagnetic Spectrum
4PRACTICE PROBLEM
Photovoltaic cells contain p-n junctions to convert light from the sun to electricity. A CdTe semiconductor used in photovoltaic cells has a band-gap energy of 144 kJ/mol. Determine the wavelength that correspond to the band-gap energy of CdTe and identify its region in the electromagnetic spectrum.
Photovoltaic cells contain p-n junctions to convert light from the sun to electricity. A CdTe semiconductor used in photovoltaic cells has a band-gap energy of 144 kJ/mol. Determine the wavelength that correspond to the band-gap energy of CdTe and identify its region in the electromagnetic spectrum.