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CdSe‐modified rutile TiO 2 nanocrystals with mercaptoacetic acid as a stabilizer were prepared by the hydrothermal method. The photoactivities of the new photocatalyst under visible light illumination were demonstrated by the degradation of methylene blue (MB). The effects of CdSe content on the absorption spectra and photoactivities were discussed. After sensitization, TiO 2 significantly responded to visible light illumination and the visible light photoactivities also increased.
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Liu et al. (2005) studied this question.
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