| 31. | Roughly, the "'HOMO "'level is to organic semiconductors what the valence band maximum is to inorganic semiconductors and quantum dots.
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| 32. | As bias increase, the valence band of the p-side gets pulled down, and so did the hole quasi Fermi level.
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| 33. | When the bismuth is doped with antimony, the conduction band decreases in energy and the valence band increases in energy.
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| 34. | An important aspect of HEMTs is that the band discontinuities across the conduction and valence bands can be modified separately.
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| 35. | Conduction band electrons ( e " ) and valence band holes ( h + ) form in the compounds'structure.
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| 36. | Photons knock electrons from the valence band into an energy level called the conduction band, where they form an electric current.
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| 37. | The technique can also be used to study relaxation of electrons from the conduction band to the valence band in semiconductors.
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| 38. | The left panels show the lowest energy level of the conduction band and the highest energy level of the valence band.
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| 39. | Electrons in a solar cell absorb photon energy in sunlight which excites them to the conduction band from the valence band.
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| 40. | As electrons stabilise at various energy levels, most vibrate in valence bands below a forbidden energy level, named the band gap.
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