Fig. 1From: Custom-Shaped Organic Photovoltaic Modules—Freedom of Design by PrintingCustom OPV shapes fabricated in a form of tree leaf; the layout (a) comprises of three modules with active area of 7.5 cm2 (area I) and 21.8 cm2 (areas II and III). Furthermore, serially connected OPV cells are numbered from one to eight. The magnified image (b) shows the alignment from the left as follows: ITO, PEDOT:PSS, P3HT:PCBM and LiF-AlBack to article page