Figure 1.

The structure of the solar cell and the chemical structure of the ECHD. (a) A schematic drawing of an organic solar cell structure with a bis-(ethylcyclopentadienyl) hafnium(IV) dichloride cathode interfacial layer. (b) The chemical structure of the bis-(ethylcyclopentadienyl) hafnium(IV) dichloride.

Park et al. Nanoscale Research Letters 2012 7:74   doi:10.1186/1556-276X-7-74
Download authors' original image