Fig. 11From: RETRACTED ARTICLE: Conductive Gels: Properties and Applications of Nanoelectronicsa Schematic of the general structure of organic solar cells; b the TEM image of the said solar cell. This solar cell has several single layers: glass or SiO2, indium tin oxide or ITO, clear polymers and the active layer PEDOT: PSS and MDMO-PPV: PCBM, the intermediate layer LiF, and the conductive metal layer or aluminum [72]Back to article page