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邹志刚
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期刊论文
Role of R in Bi2RNbO7 (R = Y, Rare Earth): Effect on Band Structure and Photocatalytic Properties
VOLUME 106, NUMBER 3, JANUARY 24, 2002，-0001，（）：
We prepared a new series of rare earth photocatalysts, Bi2RNbO7 (R = Y, rare earth), and found that the variation of R ion radius rR 3+ in Bi2RNbO7 led to a change in the band structure and the activity of photocatalytic decomposition of water. The band gap Eg increases with increasing rR 3+, while the photocatalytic activity AR 3+ decreases with increasing rR 3+. The analysis of the E(rR 3+) dependency showed that the position of the 4f band of the R ion in Bi2RNbO7 determines the band gap Eg, resulting in the difference in photocatalytic activity.
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