Liquid Fuels From U S Coal Graphics Fina

2008-10-23we report the first-principles electronic structure of bivo4, a promising photocatalyst for hydrogen generationivo4 is found to be a direct band gap semiconductor, despite having band extrema away from the brillouin zone centeroupling between bi 6s and o 2p forces an upward dispersion of the valence band at the zone boundary however, a direct gap is maintained via coupling.

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