Infrared and Laser Engineering, Volume. 53, Issue 3, 20240006(2024)
Plasmon-enhanced ZnO-based nanowire heterojunction array photodetector
Fig. 1. Schematic of preparation process of plasmon-enhanced ZnO/ZnSe heterojunction array photodetector
Fig. 2. Microstructure and phase characterization of 1-dimensional (1D) heterojunction nanowire arrays. (a) SEM image of the ZnO nanowires; (b) TEM images of the ZnO/ZnSe heterojunctions; (c) SEM image of the ZnO/ZnSe core-shell heterojunction nanowire arrays enhanced by Ag nanoparticles; (d) X-ray diffraction spectrum of the ZnO/ZnSe heterojunctions; (e) Raman spectra of the ZnO nanowire and ZnO/ZnSe heterojunction
Fig. 3. (a) The chopped
Fig. 4. (a) Photocurrent diagram of the photodetectors at 100 mW/cm2 visible light intensity(@0.8 V); (b) Photocurrent of ZnO/ZnSe heterojunction nanowire array photodetectors reinforced by Ag nanoparticles at different light intensities(@0.4 V)
Fig. 7. (a) Bar graph of average rise time and delay time of photodetector; (b) Transient photocurrent curve of plasma-enhanced ZnO/ZnSe heterojunction nanowire array photodetector(@0.4 V)
Fig. 8. Photoelectric stability curve for photodetector (@0.2 V for 10 h)
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Hui Wu, Jialong Peng, Jinbao Jiang, Hansheng Li, Wei Xu, Chucai Guo, Jianfa Zhang, Zhihong Zhu. Plasmon-enhanced ZnO-based nanowire heterojunction array photodetector[J]. Infrared and Laser Engineering, 2024, 53(3): 20240006
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Received: Jan. 2, 2024
Accepted: --
Published Online: Jun. 21, 2024
The Author Email: Peng Jialong (pengjialong@nudt.edu.cn)