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向具有商业化前景的光伏材料迈进:一类低成本高效率的聚合物给体材料

张志国 陈祺

张志国, 陈祺. 向具有商业化前景的光伏材料迈进:一类低成本高效率的聚合物给体材料[J]. 功能高分子学报, 2020, 33(5): 415-420. doi: 10.14133/j.cnki.1008-9357.20200618001
引用本文: 张志国, 陈祺. 向具有商业化前景的光伏材料迈进:一类低成本高效率的聚合物给体材料[J]. 功能高分子学报, 2020, 33(5): 415-420. doi: 10.14133/j.cnki.1008-9357.20200618001
ZHANG Zhiguo, CHEN Qi. Towards Commercial Photovoltaic Materials: A New Class of Polymeric Donor Materials with Low Cost and High Efficiency[J]. Journal of Functional Polymers, 2020, 33(5): 415-420. doi: 10.14133/j.cnki.1008-9357.20200618001
Citation: ZHANG Zhiguo, CHEN Qi. Towards Commercial Photovoltaic Materials: A New Class of Polymeric Donor Materials with Low Cost and High Efficiency[J]. Journal of Functional Polymers, 2020, 33(5): 415-420. doi: 10.14133/j.cnki.1008-9357.20200618001

向具有商业化前景的光伏材料迈进:一类低成本高效率的聚合物给体材料

doi: 10.14133/j.cnki.1008-9357.20200618001
基金项目: 国家自然科学基金优秀青年基金(51722308)
详细信息
    作者简介:

    张志国(1981—),男,教授,博导,主要研究方向为有机/聚合物太阳能电池。E-mail:zgzhang@mail.buct.edu.cn

  • 中图分类号: TB324

Towards Commercial Photovoltaic Materials: A New Class of Polymeric Donor Materials with Low Cost and High Efficiency

  • 摘要: 高效率、高稳定性与低成本是聚合物太阳能电池走向商业应用的3个关键要素。近年来,聚合物太阳能电池的能量转换效率屡创新高,目前已经突破17%。然而这些高效率器件的获得主要依赖于结构复杂、成本高的给受体光伏材料,因而降低光伏材料的成本成为了聚合物太阳能电池商业化进程中的一大挑战。2018年以来,中科院化学所李永舫院士团队相继报道了一系列基于聚(噻吩-喹喔啉)衍生物的聚合物光伏给体材料,这类材料兼具高效率、高稳定性与低成本的优点,显示出广阔的应用前景。基于该类聚合物的合成,他们又探讨了给体材料氟化策略和甲基化策略对聚合物能级和光伏性能的影响。该工作为具有商业化应用前景的聚合物给体材料的设计提供了新思路。

     

  • 图  1  (a)PTQ7、PTQ8、PTQ9、PTQ10和PTQ11的分子结构;(b)PTQ10的合成路线;(c)IDIC、Y6和TPT10的分子结构[7-9]

    Figure  1.  (a)Molecular structure of PTQ7, PTQ8, PTQ9, PTQ10 and PTQ11;(b)Synthetic route of PTQ10;(c)Molecular structure of IDIC, Y6 and TPT10[7-9]

    图  2  PSC的成本和PCE分析:高效PSC的PCE与(a)合成步骤和(b)总产率的关系图[7]

    Figure  2.  Cost and PCE analysis of PSC: The relationship between PCE of high efficiency PSC and (a)synthesis steps and (b)overall yield[7]

    图  3  (a)各给受体的ELUMOEHOMO[8];(b)PTQ10/PTQ11:TPT10共混膜中的空穴转移过程示意图[9];(c)基于PTQ10/PTQ11:TPT10的J-V曲线[9]

    Figure  3.  (a)ELUMO and EHOMO of donors and acceptors[8];(b)Schematic diagram of the hole transfer process in the PTQ10/PTQ11:TPT10 blend[9];(c)J-V curves of the PSC based on PTQ10/PTQ11:TPT10[9]

    表  1  PTQ聚合物衍生物的光物理性质、光伏性能以及器件制备中所使用的受体

    Table  1.   Photophysical properties and photovoltaic performance of PTQ and acceptors used in device fabrication

    DonorEHOMO/eVELUMO/eVλonset/nmEgopt/eVμh1)/(cm2·V−1·s−1VOC/VPCEmax/%Acceptor2)Reference
    PTQ10−5.54−2.986451.925.04×10−4 0.96912.70IDIC[7]
    2.48×10−40.9410.42HC-PCIC[10]
    1.03×10−40.90613.46MO-IDIC-2F[11]
    2.14×10−40.91112.20HO-IDIC-2F[12]
    2.26×10−30.82616.53Y6[14]
    PTQ7−5.38−2.826621.870.48×10−50.715.75Y6[8]
    PTQ8−5.68−2.926182.000.890.90Y6[8]
    PTQ9−5.41−2.876631.871.20×10−50.8210.50Y6[8]
    PTQ10−5.55−2.906451.923.12×10−50.8716.21Y6[8]
    PTQ11−5.52−2.766371.950.97×10−40.8816.32TPT10[9]
    1)Blend films;2)Part of the molecular structures are shown in Fig. 1(c)
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-06-18
  • 刊出日期:  2020-10-01

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