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Organic photodiodes with bias-switchable photomultiplication and photovoltaic modes

Author

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  • Qingxia Liu

    (University of Electronic Science and Technology of China)

  • Lingfeng Li

    (University of Electronic Science and Technology of China)

  • Jiaao Wu

    (University of Electronic Science and Technology of China)

  • Yang Wang

    (University of Electronic Science and Technology of China)

  • Liu Yuan

    (University of Electronic Science and Technology of China)

  • Zhi Jiang

    (Nanyang Technological University)

  • Jianhua Xiao

    (University of Electronic Science and Technology of China)

  • Deen Gu

    (University of Electronic Science and Technology of China)

  • Weizhi Li

    (University of Electronic Science and Technology of China)

  • Huiling Tai

    (University of Electronic Science and Technology of China)

  • Yadong Jiang

    (University of Electronic Science and Technology of China)

Abstract

The limited sensitivity of photovoltaic-type photodiodes makes it indispensable to use pre-amplifier circuits for effectively extracting electrical signals, especially when detecting dim light. Additionally, the photomultiplication photodiodes with light amplification function suffer from potential damages caused by high power consumption under strong light. In this work, by adopting the synergy strategy of thermal-induced interfacial structural traps and blocking layers, we develop a dual-mode visible-near infrared organic photodiode with bias-switchable photomultiplication and photovoltaic operating modes, exhibiting high specific detectivity (~1012 Jones) and fast response speed (0.05/3.03 ms for photomultiplication-mode; 8.64/11.14 μs for photovoltaic-mode). The device also delivers disparate external quantum efficiency in two optional operating modes, showing potential in simultaneously detecting dim and strong light ranging from ~10−9 to 10−1 W cm−2. The general strategy and working mechanism are validated in different organic layers. This work offers an attractive option to develop bias-switchable multi-mode organic photodetectors for various application scenarios.

Suggested Citation

  • Qingxia Liu & Lingfeng Li & Jiaao Wu & Yang Wang & Liu Yuan & Zhi Jiang & Jianhua Xiao & Deen Gu & Weizhi Li & Huiling Tai & Yadong Jiang, 2023. "Organic photodiodes with bias-switchable photomultiplication and photovoltaic modes," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-42742-0
    DOI: 10.1038/s41467-023-42742-0
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    References listed on IDEAS

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    1. Yang Shi & Junyu Ren & Guanyu Chen & Wei Liu & Chuqi Jin & Xiangyu Guo & Yu Yu & Xinliang Zhang, 2022. "Nonlinear germanium-silicon photodiode for activation and monitoring in photonic neuromorphic networks," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    2. Daniela Baierl & Lucio Pancheri & Morten Schmidt & David Stoppa & Gian-Franco Dalla Betta & Giuseppe Scarpa & Paolo Lugli, 2012. "A hybrid CMOS-imager with a solution-processable polymer as photoactive layer," Nature Communications, Nature, vol. 3(1), pages 1-8, January.
    3. Victor W. Bergmann & Stefan A. L. Weber & F. Javier Ramos & Mohammad Khaja Nazeeruddin & Michael Grätzel & Dan Li & Anna L. Domanski & Ingo Lieberwirth & Shahzada Ahmad & Rüdiger Berger, 2014. "Real-space observation of unbalanced charge distribution inside a perovskite-sensitized solar cell," Nature Communications, Nature, vol. 5(1), pages 1-9, December.
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