Figure 4.

AFM topography images (P3HT/CIGS films), energy diagram, and I-V characteristics (P3HT/CIGS hybrid solar cells). AFM topography images of (a) choloform, (b) chlorobenzene, and (c) dichlorobenzene after spin-coating process. (d) Energy diagram of P3HT/CIGS hybrid solar cells and (e) its corresponding I-V characteristics.

Yen et al. Nanoscale Research Letters 2013 8:329   doi:10.1186/1556-276X-8-329
Download authors' original image