What type of electron transition from valence to conduction

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Reference no: EM13255320

1) When discussing the generation of electron/ hole pairs by light in semiconductors is it best to use the wave or particle rendition of light energy?

2) In what type of electron transition from valence to conduction band is momentum conserved, direct or indirect?

3) Can a 10% efficiency one square meter in area solar panel placed in direct sunlight power a 100 Watt lightbulb?

4) If electrons are moving in the presence of an electric field and the field is turned off, do they continue to move or come to rest with zero velocity?

5) Do electrons move toward or away from regions of high electron concentration?

6) When an electron at the bottom of the conduction band jumps directly down to recombine with a hole at the top of the valence band, is the energy released as heat or a photon?

7) Is a semiconductor with quasi Fermi levels present in equilibrium?

8) If a recombination center has captured an electron, is it then more or less likely to capture a hole to trigger recombination than it was prior to capturing the electron?

9) If an n-type semiconductor is compensated by adding acceptors, does it still maintain charge neutrality?

Reference no: EM13255320

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