Figure 3.

Photocurrent spectra and current density-voltage (J-V) curves of the devices with annealed QDs with (sample C) and without AlAs capping layers (sample D). (a) Photo-current spectra and (b) J-V curves.

Hu et al. Nanoscale Research Letters 2011 6:83   doi:10.1186/1556-276X-6-83
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