Figure 8.

Schematic view of electron transfer with ZnO layer. TiO2 nanofiber DSSC with an ultrathin ZnO layer (a). Illustration of the interfacial charge-transfer processes occurring in the DSSC (b). Also shown is the blocking function of ZnO blocking layer on interfacial recombination as described in this paper.

Ding et al. Nanoscale Research Letters 2013 8:9   doi:10.1186/1556-276X-8-9
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