Influence of Annealing Temperature on the Nanostructure and Performance of Polymer: Polymer Solar Cells

다국어 초록 (Multilingual Abstract)

Here we report the influence of thermal annealing temperature on the nanostructure and the performanceof polymer:polymer solar cells. The active layer was prepared with bulk heterojunction(BHJ) films of poly(3-hexylthiophene) (P3HT) and of poly(9,9-dioctylfluorene-co-benzothiadiazole)(F8BT) doped with (1S)-(+)-10-camphorsulfonic acid (CSA) (F8BT-CSA). The change in thenanostructure of the P3HT:F8BT-CSA films with thermal annealing temperature was investigatedby employing a synchrotron radiation grazing-incidence-angle X-ray diffraction (GIXD) technique.
Results showed that the power conversion efficiency (PCE) of the P3HT:F8BT-CSA solar cells wasnoticeably improved by thermal annealing at 150 C, which could be attributed to the optimizednanostructure in the BHJ film at 150 C, as suggested by the GIXD measurements.

참고문헌 (Reference)

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