Figure 3.

Schematic drawing and current density-voltage characteristics. (a) Schematic structure of the PHJ device. (b) Current density-voltage characteristics of the PHJ device with OA-treated PbS CQD solid films and CTAB-treated PbS CQD solid films.

Heo et al. Nanoscale Research Letters 2013 8:488   doi:10.1186/1556-276X-8-488
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