Chlorinated Effects of Double-Cable Conjugated Polymers on the Photovoltaic Performance in Single-Component Organic Solar Cells

Han-Yi Bao; Zhao-Fan Yang; Yan-Jiao Zhao; Xiang Gao; Xin-Zhu Tong; Yi-Nuo Wang; Feng-Bo Sun; Jian-Hong Gao; Wei-Wei Li; Zhi-Tian Liu

doi:10.1007/s10118-022-2841-y

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Chlorinated Effects of Double-Cable Conjugated Polymers on the Photovoltaic Performance in Single-Component Organic Solar Cells

RESEARCH ARTICLE | Updated：2023-01-06

- Chlorinated Effects of Double-Cable Conjugated Polymers on the Photovoltaic Performance in Single-Component Organic Solar Cells
  Enhanced Publication
- Chinese Journal of Polymer Science Vol. 41, Issue 2, Pages: 187-193(2023)
- Affiliations：
  
  a.Hubei Engineering Technology Research Center of Optoelectronic and New Energy Materials, Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
  b.Beijing Advanced Innovation Center for Soft Matter Science and Engineering & State Key Laboratory of Organic-Inorganic Composite, Beijing University of Chemical Technology, Beijing 100029, China
- Author bio：
  
  xgao@wit.edu.cn (X.G.)
  liweiwei@iccas.ac.cn (W.W.L.)
  able.ztliu@wit.edu.cn (Z.T.L.)
- Funds：
- DOI：10.1007/s10118-022-2841-y
  CLC：
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Han-Yi Bao, Zhao-Fan Yang, Yan-Jiao Zhao, et al. Chlorinated Effects of Double-Cable Conjugated Polymers on the Photovoltaic Performance in Single-Component Organic Solar Cells. [J]. Chinese Journal of Polymer Science 41(2):187-193(2023)
DOI：

Han-Yi Bao, Zhao-Fan Yang, Yan-Jiao Zhao, et al. Chlorinated Effects of Double-Cable Conjugated Polymers on the Photovoltaic Performance in Single-Component Organic Solar Cells. [J]. Chinese Journal of Polymer Science 41(2):187-193(2023) DOI： 10.1007/s10118-022-2841-y.

摘要

In this work, the effects of chlorination in double cable conjugated polymers on the photovoltaic performance of SCOSCs were studied. The chlorination lowers the highest occupied molecular orbital level of the conjugated polymers, thus resulting in a higher open-circuit voltage and improved photovoltaic performance.

Abstract

The recently emerged double-cable conjugated polymers have come into focus due to their significantly improved power conversion efficiencies (PCEs) in single-component organic solar cells (SCOSCs). In this work, the effect of chlorination in double-cable conjugated polymers with linear benzodithiophene backbone and pendant perylene bisimide on the photovoltaic performance in SCOSCs has been studied. After introducing chlorine atoms into conjugated side chains, the highest occupied molecular orbital level of the conjugated polymers is down-shifted, thus resulting in a higher open-circuit voltage. As a result, the chlorinated double-cable conjugated polymer exhibits improved photovoltaic performance from 3.46% to 3.57%.

关键词

Keywords

Double-cable conjugated polymerChlorinationSingle-component organic solar cells

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