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首页> 外文期刊>Advanced energy materials >Crosslinkable Amino-Functionalized Conjugated Polymer as Cathode Interlayer for Effi cient Inverted Polymer Solar Cells
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Crosslinkable Amino-Functionalized Conjugated Polymer as Cathode Interlayer for Effi cient Inverted Polymer Solar Cells

机译：作为Effi Cient倒置聚合物太阳能电池的可交联氨基官能化缀合聚合物作为阴极夹层

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摘要

A novel crosslinkable aminoalkyl-functionalized polymer, poly[9,9-bis(6-(N,N diethylamino) propyl)fluorene-alt-9,9-bis(hex-5-en-1-yl)-fluorene](PFN-V), is designed and synthesized. The resulting polymer can be rapidly crosslinked by UV-curing within 5 s in a nearly quantitative yield based on the "click" chemistry of alkyene end-groups of the PFN-V side chains and the addition of 1,8-octanedithiol. The crosslinked PFN-V film exhibits excellent solvent resistance property and can act as effective cathode interlayer to modify the indium tin oxide (ITO) electrode, which can thus facilitate the formation of Ohmic contact between cathode and active layer. The surface energy of PFN-V is quite comparable to that of PC71BM, which is favorable for the formation of vertical phase separation in the bulk heterojunction film that can facilitate extraction of charges as verified by transient photocurrent measurements. Based on the resulting PFN-V as the cathode interlayer, the fabricated polymer solar cells with inverted device structure show a remarkable enhancement of power conversion efficiency from 3.11% for the control device to 9.18% for PFN-V based device. These observations indicate that the synthesized PFN-V can be a promising crosslinked copolymer as the cathode interlayer for high performance polymer solar cells.
机译：一种新型交联氨基烷基官能化聚合物，聚[9,9-双（6-（N，N，N，N，N，N氨基）丙基）芴-ALT-9,9-双（Hex-5-烯-1-基） - 氟烯]（ PFN-V）设计和合成。基于PFN-V侧链的炔烯端基的“点击”化学和添加1,8-辛西亚二醇，可以在5秒内通过UV固化在5秒内快速交联。交联的PFN-V膜表现出优异的耐溶剂性，并且可以用作改变氧化铟锡（ITO）电极的有效阴极中间层，因此可以促进阴极和有源层之间的欧姆接触的形成。 PFN-V的表面能与PC71BM的表面能相当，这是有利于在本体异质结膜中形成垂直相分离，其能够促进通过瞬态光电流测量验证的电荷的提取。基于所得到的PFN-V作为阴极中间层，具有倒置器件结构的制造的聚合物太阳能电池显示出对PFN-V基于PFN-V装置的3.11％的功率转换效率的显着提高至9.18％。这些观察结果表明合成的PFN-V可以是具有高性能聚合物太阳能电池的阴极中间层的有前途的交联共聚物。

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  • 来源
    《Advanced energy materials》 |2016年第11期|1502563.1-1502563.9|共9页
  • 作者

    Wang Jing; Lin Kai; Zhang Kai; Jiang Xiao-Fang; Mahmood Khalid; Ying Lei; Huang Fei; Cao Yong;

  • 作者单位

    South China Univ Technol State Key Lab Luminescent Mat & Devices Inst Polymer Optoelect Mat & Devices Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol State Key Lab Luminescent Mat & Devices Inst Polymer Optoelect Mat & Devices Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol State Key Lab Luminescent Mat & Devices Inst Polymer Optoelect Mat & Devices Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol State Key Lab Luminescent Mat & Devices Inst Polymer Optoelect Mat & Devices Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol State Key Lab Luminescent Mat & Devices Inst Polymer Optoelect Mat & Devices Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol State Key Lab Luminescent Mat & Devices Inst Polymer Optoelect Mat & Devices Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol State Key Lab Luminescent Mat & Devices Inst Polymer Optoelect Mat & Devices Guangzhou 510640 Guangdong Peoples R China;

    South China Univ Technol State Key Lab Luminescent Mat & Devices Inst Polymer Optoelect Mat & Devices Guangzhou 510640 Guangdong Peoples R China;

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