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Narrowband light detection via internal quantum efficiency manipulation of organic photodiodes

Author

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  • Ardalan Armin

    (Centre for Organic Photonics & Electronics, School of Mathematics and Physics and School of Chemistry and Molecular Biosciences, The University of Queensland)

  • Ross D. Jansen-van Vuuren

    (Centre for Organic Photonics & Electronics, School of Mathematics and Physics and School of Chemistry and Molecular Biosciences, The University of Queensland)

  • Nikos Kopidakis

    (National Renewable Energy Laboratory)

  • Paul L. Burn

    (Centre for Organic Photonics & Electronics, School of Mathematics and Physics and School of Chemistry and Molecular Biosciences, The University of Queensland)

  • Paul Meredith

    (Centre for Organic Photonics & Electronics, School of Mathematics and Physics and School of Chemistry and Molecular Biosciences, The University of Queensland)

Abstract

Spectrally selective light detection is vital for full-colour and near-infrared (NIR) imaging and machine vision. This is not possible with traditional broadband-absorbing inorganic semiconductors without input filtering, and is yet to be achieved for narrowband absorbing organic semiconductors. We demonstrate the first sub-100 nm full-width-at-half-maximum visible-blind red and NIR photodetectors with state-of-the-art performance across critical response metrics. These devices are based on organic photodiodes with optically thick junctions. Paradoxically, we use broadband-absorbing organic semiconductors and utilize the electro-optical properties of the junction to create the narrowest NIR-band photoresponses yet demonstrated. In this context, these photodiodes outperform the encumbent technology (input filtered inorganic semiconductor diodes) and emerging technologies such as narrow absorber organic semiconductors or quantum nanocrystals. The design concept allows for response tuning and is generic for other spectral windows. Furthermore, it is material-agnostic and applicable to other disordered and polycrystalline semiconductors.

Suggested Citation

  • Ardalan Armin & Ross D. Jansen-van Vuuren & Nikos Kopidakis & Paul L. Burn & Paul Meredith, 2015. "Narrowband light detection via internal quantum efficiency manipulation of organic photodiodes," Nature Communications, Nature, vol. 6(1), pages 1-8, May.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms7343
    DOI: 10.1038/ncomms7343
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    Cited by:

    1. Jonas Kublitski & Axel Fischer & Shen Xing & Lukasz Baisinger & Eva Bittrich & Donato Spoltore & Johannes Benduhn & Koen Vandewal & Karl Leo, 2021. "Enhancing sub-bandgap external quantum efficiency by photomultiplication for narrowband organic near-infrared photodetectors," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    2. Zhenghao Long & Xiao Qiu & Chak Lam Jonathan Chan & Zhibo Sun & Zhengnan Yuan & Swapnadeep Poddar & Yuting Zhang & Yucheng Ding & Leilei Gu & Yu Zhou & Wenying Tang & Abhishek Kumar Srivastava & Cunji, 2023. "A neuromorphic bionic eye with filter-free color vision using hemispherical perovskite nanowire array retina," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    3. Quan Liu & Stefan Zeiske & Xueshi Jiang & Derese Desta & Sigurd Mertens & Sam Gielen & Rachith Shanivarasanthe & Hans-Gerd Boyen & Ardalan Armin & Koen Vandewal, 2022. "Electron-donating amine-interlayer induced n-type doping of polymer:nonfullerene blends for efficient narrowband near-infrared photo-detection," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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