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    Journals >Journal of Semiconductors >Volume 44 >Issue 7 >Page 072807 > Article
    • Journal of Semiconductors
    • Vol. 44, Issue 7, 072807 (2023)
    Self-healing wearable self-powered deep ultraviolet photodetectors based on Ga2O3
    Chao Wu*, Huaile He*, Haizheng Hu*, Aiping Liu*..., Shunli Wang*, Daoyou Guo* and Fengmin Wu**|Show fewer author(s)
    Author Affiliations
  • Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, China
    • show less
    DOI: 10.1088/1674-4926/44/7/072807 Cite this Article
    Chao Wu, Huaile He, Haizheng Hu, Aiping Liu, Shunli Wang, Daoyou Guo, Fengmin Wu. Self-healing wearable self-powered deep ultraviolet photodetectors based on Ga2O3[J]. Journal of Semiconductors, 2023, 44(7): 072807 Copy Citation Text show less
    (Color online) (a) Schematic diagram of the self-healed PEDOT: PSS/Ga2O3 based UV photodetector. (b) Cross-sectional SEM image of the device. (c) SEM image of the Ga2O3 nanorods. (d) SEM image of the junction and (e) SEM image of the Ag NWs electrode.
    Fig. 1. (Color online) (a) Schematic diagram of the self-healed PEDOT: PSS/Ga2O3 based UV photodetector. (b) Cross-sectional SEM image of the device. (c) SEM image of the Ga2O3 nanorods. (d) SEM image of the junction and (e) SEM image of the Ag NWs electrode.
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    (Color online) (a) XRD patterns of the Ga2O3 nanorods. (b) The UV-vis absorption spectra and bandgap of Ga2O3. (c) Infrared spectroscopy spectrum and (d) the transmission spectra and UV-vis absorption of PEDOT: PSS films.
    Fig. 2. (Color online) (a) XRD patterns of the Ga2O3 nanorods. (b) The UV-vis absorption spectra and bandgap of Ga2O3. (c) Infrared spectroscopy spectrum and (d) the transmission spectra and UV-vis absorption of PEDOT: PSS films.
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    (Color online) (a) Self-healing of the agarose/PVA hydrogel. (b) Self-healing mechanism of the agarose/PVA DN hydrogel. (c) Photos of hydrogel samples with or without LiCl in -80 °C. (d) Schematic of the hydration of LiCl in water.
    Fig. 3. (Color online) (a) Self-healing of the agarose/PVA hydrogel. (b) Self-healing mechanism of the agarose/PVA DN hydrogel. (c) Photos of hydrogel samples with or without LiCl in -80 °C. (d) Schematic of the hydration of LiCl in water.
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    (Color online) (a) I-V curves of the self-powered photodetector. (b) The photocurrent and responsivity of the photodetector. (c) Energy band diagram of the PEDOT: PSS/Ga2O3. (d) I-t curves of the photodetector before and after self-healing.
    Fig. 4. (Color online) (a) I-V curves of the self-powered photodetector. (b) The photocurrent and responsivity of the photodetector. (c) Energy band diagram of the PEDOT: PSS/Ga2O3. (d) I-t curves of the photodetector before and after self-healing.
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    Chao Wu, Huaile He, Haizheng Hu, Aiping Liu, Shunli Wang, Daoyou Guo, Fengmin Wu. Self-healing wearable self-powered deep ultraviolet photodetectors based on Ga2O3[J]. Journal of Semiconductors, 2023, 44(7): 072807
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