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Over 16% efficiency organic photovoltaic cells enabled by a chlorinated acceptor with increased open-circuit voltages

Author

Listed:
  • Yong Cui

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Huifeng Yao

    (Chinese Academy of Sciences)

  • Jianqi Zhang

    (National Center for Nanoscience and Technology)

  • Tao Zhang

    (Chinese Academy of Sciences)

  • Yuming Wang

    (Linköping University)

  • Ling Hong

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Kaihu Xian

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Bowei Xu

    (Chinese Academy of Sciences)

  • Shaoqing Zhang

    (Chinese Academy of Sciences
    University of Science and Technology Beijing)

  • Jing Peng

    (Organtec Ltd.)

  • Zhixiang Wei

    (National Center for Nanoscience and Technology)

  • Feng Gao

    (Linköping University)

  • Jianhui Hou

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

Abstract

Broadening the optical absorption of organic photovoltaic (OPV) materials by enhancing the intramolecular push-pull effect is a general and effective method to improve the power conversion efficiencies of OPV cells. However, in terms of the electron acceptors, the most common molecular design strategy of halogenation usually results in down-shifted molecular energy levels, thereby leading to decreased open-circuit voltages in the devices. Herein, we report a chlorinated non-fullerene acceptor, which exhibits an extended optical absorption and meanwhile displays a higher voltage than its fluorinated counterpart in the devices. This unexpected phenomenon can be ascribed to the reduced non-radiative energy loss (0.206 eV). Due to the simultaneously improved short-circuit current density and open-circuit voltage, a high efficiency of 16.5% is achieved. This study demonstrates that finely tuning the OPV materials to reduce the bandgap-voltage offset has great potential for boosting the efficiency.

Suggested Citation

  • Yong Cui & Huifeng Yao & Jianqi Zhang & Tao Zhang & Yuming Wang & Ling Hong & Kaihu Xian & Bowei Xu & Shaoqing Zhang & Jing Peng & Zhixiang Wei & Feng Gao & Jianhui Hou, 2019. "Over 16% efficiency organic photovoltaic cells enabled by a chlorinated acceptor with increased open-circuit voltages," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-10351-5
    DOI: 10.1038/s41467-019-10351-5
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    Cited by:

    1. Alexander N. Solodukhin & Yuriy N. Luponosov & Artur L. Mannanov & Petr S. Savchenko & Artem V. Bakirov & Maxim A. Shcherbina & Sergei N. Chvalun & Dmitry Yu. Paraschuk & Sergey A. Ponomarenko, 2021. "Branched Electron-Donor Core Effect in D-π-A Star-Shaped Small Molecules on Their Properties and Performance in Single-Component and Bulk-Heterojunction Organic Solar Cells †," Energies, MDPI, vol. 14(12), pages 1-14, June.
    2. Xuelin Wang & Qianqian Sun & Jinhua Gao & Jian Wang & Chunyu Xu & Xiaoling Ma & Fujun Zhang, 2021. "Recent Progress of Organic Photovoltaics with Efficiency over 17%," Energies, MDPI, vol. 14(14), pages 1-27, July.
    3. Caixuan Wang & Xiaoming Ma & Dan Deng & Hao Zhang & Rui Sun & Jianqi Zhang & Lili Zhang & Mengying Wu & Jie Min & Zhi-Guo Zhang & Zhixiang Wei, 2024. "Giant dimeric donors for all-giant-oligomer organic solar cells with efficiency over 16% and superior photostability," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    4. Jing Wang & Xudong Jiang & Hongbo Wu & Guitao Feng & Hanyu Wu & Junyu Li & Yuanping Yi & Xunda Feng & Zaifei Ma & Weiwei Li & Koen Vandewal & Zheng Tang, 2021. "Increasing donor-acceptor spacing for reduced voltage loss in organic solar cells," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    5. Miron Krassas & Christos Polyzoidis & Pavlos Tzourmpakis & Dimitriοs M. Kosmidis & George Viskadouros & Nikolaos Kornilios & George Charalambidis & Vasilis Nikolaou & Athanassios G. Coutsolelos & Kons, 2020. "Benzothiadiazole Based Cascade Material to Boost the Performance of Inverted Ternary Organic Solar Cells," Energies, MDPI, vol. 13(2), pages 1-12, January.
    6. Yuang Fu & Tack Ho Lee & Yi-Chun Chin & Richard A. Pacalaj & Chiara Labanti & Song Yi Park & Yifan Dong & Hye Won Cho & Jin Young Kim & Daiki Minami & James R. Durrant & Ji-Seon Kim, 2023. "Molecular orientation-dependent energetic shifts in solution-processed non-fullerene acceptors and their impact on organic photovoltaic performance," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    7. Gareth John Moore & Florian Günther & Kaila M. Yallum & Martina Causa’ & Anna Jungbluth & Julien Réhault & Moritz Riede & Frank Ortmann & Natalie Banerji, 2024. "Direct visualization of the charge transfer state dynamics in dilute-donor organic photovoltaic blends," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    8. Guilong Cai & Yuhao Li & Yuang Fu & Hua Yang & Le Mei & Zhaoyang Nie & Tengfei Li & Heng Liu & Yubin Ke & Xun-Li Wang & Jean-Luc Brédas & Man-Chung Tang & Xiankai Chen & Xiaowei Zhan & Xinhui Lu, 2024. "Deuteration-enhanced neutron contrasts to probe amorphous domain sizes in organic photovoltaic bulk heterojunction films," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    9. Madasamy Periyanayagam & Suresh Kumar V & Bharatiraja Chokkalingam & Sanjeevikumar Padmanaban & Lucian Mihet-Popa & Yusuff Adedayo, 2020. "A Modified High Voltage Gain Quasi-Impedance Source Coupled Inductor Multilevel Inverter for Photovoltaic Application," Energies, MDPI, vol. 13(4), pages 1-31, February.

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