A butterfly-shaped acceptor with rigid skeleton and unique assembly enables both efficient organic photovoltaics and high-speed organic photodetectors
2024

Butterfly-shaped molecule WD-6 for efficient solar cells and fast photodetectors

publication Evidence: high

Author Information

Author(s): Shi Wendi, Han Qiansai, Zhu Yu, Xia Yingjun, He Tengfei, Wang Shijie, Li Longyu, Ma Wei, Long Guankui, Li Guanghui, Yao Zhaoyang, Li Chenxi, Wan Xiangjian, Chen Yongsheng

Primary Institution: Nankai University

Hypothesis

Can a butterfly-shaped molecule improve the efficiency of organic photovoltaics and photodetectors?

Conclusion

The WD-6 molecule achieved a high efficiency of 19.42% in organic photovoltaics and a fast response speed of 205 ns in organic photodetectors.

Supporting Evidence

  • The binary photovoltaic device based on PM6:WD-6 achieved an efficiency of 18.41%.
  • The ternary device based on PM6:BTP-eC9:WD-6 achieved an efficiency of 19.42%.
  • The photodetection device based on WD-6 demonstrated an ultrafast response speed of 205 ns.

Takeaway

Scientists created a special butterfly-shaped molecule that helps solar panels work better and makes light sensors respond really quickly.

Methodology

The study involved synthesizing the WD-6 molecule and testing its performance in organic photovoltaic and photodetector devices.

Digital Object Identifier (DOI)

10.1093/nsr/nwae409

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