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题名: Conjugated terpolymers synthesized by incorporating anthracene units into the backbones of the diketopyrrolopyrrole-based polymers as electron donors for photovoltaic cells
作者: Ju, Huajun1, 2; Yang, Yang1, 2; Wang, Zhijie1, 2; Yang, Sifen1, 2; Liu, Zitong1; Zhang, Guanxin1; Zhang, Deqing1, 2
刊名: POLYMER CHEMISTRY
发表日期: 2016
卷: 7, 期:44, 页:6798-6804
收录类别: SCI
英文摘要: Three new conjugated D-A terpolymers PADPP1, PADPP2 and PADPP3, which contain diketopyrrolopyrrole (DPP) as electron acceptors and thiophene/anthracene as electron donors, are described. In comparison with PDPP3T which contains just DPP and thiophene units, the DPP moieties are partially replaced with anthracene units in PADPP1, PADPP2 and PADPP3. The HOMO/LUMO levels of PADPP1, PADPP2 and PADPP3 are slightly enhanced in comparison with those of PDPP3T. Moreover, the incorporation of the anthracene units into the backbones leads to the formation of nanofibrils with an appropriate width within the blending thin films of PADPP2 with PC71BM. The short circuit currents (J(SC)) of the photovoltaic cells with blends of PADPP1, PADPP2 and PADPP3 with PC71BM are higher than those with the PDPP3T/PC71BM blend. As a result, PADPP1, PADPP2 and PADPP3 display better photovoltaic performances than PDPP3T after blending each polymer with PC71BM under the same conditions. The PCE of the photovoltaic cell of the PADPP2/PC71BM blending thin film at a weight ratio of 1 : 2 as the active layer can reach 6.24%.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35724
Appears in Collections:有机固体实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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