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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/74869

    Title: Electric field-assisted self-organization of polymer:fullerene hybrids on the photovoltaic performance
    Authors: Lin, Chih-Cheng;Lin, Yun-Yue;Li, Shao-Sian;Yu, Chen-Chieh;Huang, Chi-Liang;Lee, Shun-Han;Du, Chao-Hung;Lee, Jey-Jau;Chen, Hsuen-Li;Chen, Chun-Wei
    Contributors: 淡江大學物理學系
    Date: 2011
    Issue Date: 2012-02-09 17:25:09 (UTC+8)
    Publisher: Cambridge: R S C Publications
    Abstract: In this article, we would like to demonstrate an electric field annealing method to assist the self-organization of a poly(3-hexylthiophene) (P3HT):[6,6]-phenyl-C61-butyric acid methyl ester (PCBM) hybrid without any thermal post-treatment. By applying a DC electric field perpendicular to the substrate during the solvent-drying process, the formation of fibrous P3HT crystalline domains and phase-separated domains of bulk heterojunctions can be achieved, resulting in a power conversion efficiency (PCE) of over 4%. The grazing incidence X-ray diffraction (GIXRD) measurement suggests that the electric field-assisted annealing will facilitate the crystallization of P3HT in both lamellar stacking and vertical stacking, as a result of improved carrier transport and photovoltaic performance. The method of electric field-assisted annealing can easily be integrated into large-area and low-temperature processes, providing a new route to fabricate low-cost and flexible polymer solar cells.
    Relation: Energy & Environmental Science 4(6), pp.2134-2139
    DOI: 10.1039/C1EE01183A
    Appears in Collections:[Graduate Institute & Department of Physics] Journal Article

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