Physico-Chemical Characterization, Structuration and Morphology of Photo-Active Heterojunction (P3ht-Pcbm) Used in Organic Photovoltaic Cells

S.Hamham,Y. Naimi

This work aimed to implement a study of the physicochemical, morphological and structural characterization of the organic semiconductors (P3HT) (poly-3-hexylthiophene) and the (PC61BM) ([6,6] - phenyl - C61 - butyric acid methyl ester), as well as their structuration in lamellae of quasi-crystalline fibrils for the first one and in Nano-crystals for the second one. These conformational transitions that the two macromolecules undergo allow their self-assembly in chlorobenzene into a photoactive donor-electron acceptor layer. By controlling the morphology of the layer, its film deposition on the electrodes and its orientation with respect to which, a donor charge transfers optimization (P3HT) is favored to the PC61BM acceptor which aims to improve the efficiency of the organic photovoltaic cells.

Volume 11 | 05-Special Issue

Pages: 1762-1771