Figure 1From: Enhancing the light absorbance of polymer solar cells by introducing pulsed laser-deposited CuIn0.8Ga0.2Se2 nanoparticlesLayout of a CIGS-based hybrid solar cell and its schematic energy level diagram. (a) Layout of the CIGS-based hybrid solar cell with the structure of ITO/CIGS/P3HT:PCBM/Al. (b) Schematic energy level diagram for the above structure (with energy levels in electron voltage relative to vacuum).Back to article page