• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Advanced energy materials >Alkyl Chain Regiochemistry of Benzotriazole-Based Donor Polymers Influencing Morphology and Performances of Non-Fullerene Organic Solar Cells
【24h】

Alkyl Chain Regiochemistry of Benzotriazole-Based Donor Polymers Influencing Morphology and Performances of Non-Fullerene Organic Solar Cells

机译：苯并三唑基供体聚合物的烷基链区域化学影响非富勒烯有机太阳能电池的形态和性能

获取原文
获取原文并翻译 | 示例
       
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The effects of alkyl chain regiochemistry on the properties of donor polymers and performances of non-fullerene organic solar cells are investigated. Two donor polymers (PfBTAZ and PfBTAZS) are compared that have nearly identical chemical structures except for the regiochemistry of alkyl chains. The optical properties and crystallinity of two polymers are nearly identical yet the PfBTAZ: O-IDTBR blend exhibits nearly double domain size compared to the blend based on PfBTAZS:O-IDTBR. To reveal the origins of the very different domain size of two blends, the morphology of neat polymer films is characterized, and it is found that PfBTAZ tends to aggregate into much larger polymer fibers without the presence of O-IDTBR. This indicates that it is not the polymer:O-IDTBR interactions but the intrinsic aggregation properties of two polymers that determine the morphology features of neat and blend films. The stronger aggregation tendency of PfBTAZ could be explained by its more co-planar geometry of the polymer backbone arising from the different alkyl chain regiochemistry. Combined with the similar trend observed in another set of donor polymers (PTFB-P and PTFB-PS), the results provide an important understanding of the structure-property relationships that could guide the development of donor polymers for non-fullerene organic solar cells.
机译：研究了烷基链区域化学对给体聚合物性能和非富勒烯有机太阳能电池性能的影响。比较了两种供体聚合物（PfBTAZ和PfBTAZS），除了烷基链的区域化学外，它们的化学结构几乎相同。两种聚合物的光学性质和结晶度几乎相同，但与基于PfBTAZS：O-IDTBR的共混物相比，PfBTAZ：O-IDTBR的共混物展现出几乎两倍的畴尺寸。为了揭示两种共混物截然不同的畴尺寸的来源，对纯聚合物膜的形态进行了表征，发现PfBTAZ倾向于聚集成更大的聚合物纤维，而没有O-IDTBR。这表明，决定纯膜和共混膜形态特征的不是聚合物：O-IDTBR相互作用，而是两种聚合物的固有聚集特性。 PfBTAZ的更强聚集趋势可以通过不同烷基链区域化学产生的聚合物主链更共面的几何形状来解释。结合在另一组供体聚合物（PTFB-P和PTFB-PS）中观察到的类似趋势，结果提供了对结构-性质关系的重要理解，这些关系可指导非富勒烯有机太阳能电池供体聚合物的发展。

著录项

  • 来源
    《Advanced energy materials》 |2018年第11期|1702427.1-1702427.6|共6页
  • 作者

    Chen Shangshang; Zhang Lin; Ma Chao; Meng Dong; Zhang Jianquan; Zhang Guangye; Li Zhengke; Chow Philip C. Y.; Ma Wei; Wang Zhaohui; Wong Kam Sing; Ade Harald; Yan He;

  • 作者单位

    Hong Kong Univ Sci & Technol, Energy Inst, Dept Chem, Kowloon, Hong Kong, Peoples R China;

    Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China;

    Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China;

    Chinese Acad Sci, Inst Chem, CAS Res Educ Ctr Excellence Mol Sci, Key Lab Organ Solids, Beijing 100190, Peoples R China;

    Hong Kong Univ Sci & Technol, Energy Inst, Dept Chem, Kowloon, Hong Kong, Peoples R China;

    Hong Kong Univ Sci & Technol, Energy Inst, Dept Chem, Kowloon, Hong Kong, Peoples R China;

    Hong Kong Univ Sci & Technol, Energy Inst, Dept Chem, Kowloon, Hong Kong, Peoples R China;

    Hong Kong Univ Sci & Technol, Energy Inst, Dept Chem, Kowloon, Hong Kong, Peoples R China;

    Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China;

    Chinese Acad Sci, Inst Chem, CAS Res Educ Ctr Excellence Mol Sci, Key Lab Organ Solids, Beijing 100190, Peoples R China;

    Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China;

    North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA;

    Hong Kong Univ Sci & Technol, Energy Inst, Dept Chem, Kowloon, Hong Kong, Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    alkyl chains; morphology; organic solar cells; small-molecular acceptors;

    机译：烷基链;形态学;有机太阳能电池;小分子受体;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号