Figure 9.

Schematic diagram of the separation of generated electrons and holes on the interface of compounds. (a) CdSe-TiO2 and (b) CdSe-C60/TiO2 compounds under visible-light irradiation.

Meng et al. Nanoscale Research Letters 2013 8:189   doi:10.1186/1556-276X-8-189
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