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Flexible organic-inorganic hybrid photodetectors with n-type phenyl-C61-butyric acid methyl ester (PCBM) and p-type pearl-like GaP nanowires

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Abstract

Flexible photodetectors have become a focus of current researches because they may offer some unique applications in various new areas that require flexible, lightweight, and mechanical shock-resistive sensing elements. In this work, we designed flexible organic-inorganic hybrid photodetectors on various flexible substrates, including polyethylene terephthalate (PET), common Sellotape and polydimethylsiloxane (PDMS), with n-type phenyl-C61-butyric acid methyl ester (PCBM) and p-type pearl-like GaP nanowires (NWs) as the active materials. The as-fabricated hybrid devices exhibited an optimized performance superior to the device made of pristine GaP NWs, with a fast response time (43 ms) and high on/off ratio (∼170). Under different bending conditions, the flexible hybrid photodetectors demonstrated excellent flexibility and electrical stability, which make them very promising for further large-scale, high sensitivity and high speed photodetector applications.

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Authors and Affiliations

  1. State Key Laboratory for Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing, 100083, China

    Gui Chen, Xuming Xie & Guozhen Shen

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  1. Gui Chen
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  2. Xuming Xie
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  3. Guozhen Shen
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Correspondence to Guozhen Shen.

Additional information

G. Chen and X. Xie are visiting students from Huazhong University of Science and Technology. They contributed equally to this work.

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Chen, G., Xie, X. & Shen, G. Flexible organic-inorganic hybrid photodetectors with n-type phenyl-C61-butyric acid methyl ester (PCBM) and p-type pearl-like GaP nanowires. Nano Res. 7, 1777–1787 (2014). https://doi.org/10.1007/s12274-014-0537-5

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  • DOI: https://doi.org/10.1007/s12274-014-0537-5

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