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As long as the light energy absorbed by the semiconductor is less than the gap of restricted band  and make the electrons sexcitated  and holes produced, the semiconductor can be used as a photocatalyst.
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3Â¥2007-11-22 18:53:57
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As long as the semiconductor absorption of light energy is less than the band gap, can be stimulated to produce electrons and holes, which may be used for semiconductor photocatalyst.
2Â¥2007-11-22 18:19:32
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lankywang

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Semiconductor can be used for semiconductor photocatalyst,If its absorption of light energy is less than the band gapand can be stimulated to produce electrons and holes.
4Â¥2007-11-25 17:11:49
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So long as the semiconducto rthat absorbs the energy of light is smaller than its energy gap, can it stimulated produce the electron and the hole sufficiently, this semiconductor on possibly serves as the photocatalyst.
5Â¥2007-11-25 17:16:47
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