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binwang1121

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[求助] 为什么能用标准电势来估计空穴电位?

”Generally, in a valence band formed by Bi3+, holes formed by photoexcitation are regarded as Bi5+ (or Bi4+). Although a redox potential in an aqueous solution is different from that in solids, a standard redox potential of Bi2O4/BiO+ (BiV/BiIII) (E°=+1.59 V at pH 0) could make sense for a rough estimation of the oxidation potential of hole (Bi5+) photogenerated in the Bi2WO6 photocatalyst. “
    在”Visible-Light-Induced Degradation of Rhodamine B by Nanosized Bi2WO6“(Hongbo Fu, Chengshi Pan, Wenqing Yao, and Yongfa Zhu——J. Phys. Chem. B 2005, 109, 22432-22439)文献中分析电位时,用BiV/BiIII的标准电势来估计Bi2WO6中光生空穴的电位(引用文献”Weast, R. C.; Handbook of Chemistry and Physics; CRC Press: Boca Raton, FL, 1988“)。
    这点我不懂,其引用的参考文献”Handbook of Chemistry and Physics“是一本英文巨著(1760页),我都不知道在文中哪个地方找相关论述。哪位大神能指点下?(为什么能这样估算?对于其他Bi系的光催化剂材料,分析电位时,是不是也能这样估算?为什么?)

    谢谢指点!!!
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