An Undoped, Single-Phase Oxide Photocatalyst Working under Visible Light
Journal of the American Chemical Society2004Vol. 126(29), pp. 8912–8913
Citations Over TimeTop 1% of 2004 papers
Abstract
A novel photocatalyst, PbBi2Nb2O9 has been discovered that shows high activities for degradation of organic pollutants, generation of photocurrent, and water decomposition into O2 or H2, all under visible right irradiation (lambda >/= 420 nm). This is the first example of an undoped, single-phase oxide photocatalyst that shows such reactivity. Its quantum yields are much higher than those for most of the previously reported materials, especially in water decomposition to generate oxygen (29%). Since it is an oxide, there is much less concern for stability under light irradiation.
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