Shiguang Shang, Lang Gao, Wei Ren, Wenqian Zhang, Rui Wang. Fabrication of ZnO Nanowalls by Electrochemical Deposition and Ultraviolet Detection Performance[J]. Acta Optica Sinica, 2021, 41(7): 0716001
- Acta Optica Sinica
- Vol. 41, Issue 7, 0716001 (2021)
Fig. 1. Schematic of electrode. (a) Top view of electrode; (b) schematic of electrode layered structure
Fig. 2. SEM images of ZnO nanowalls grown at different deposition voltages and EDS spectrum of ZnO nanowalls grown at deposition voltage of 1.6 V. (a) 1.4 V; (b) 1.6 V; (c) 1.8 V; (d) 2.0 V; (e) 2.2 V; (f) EDS spectrum
Fig. 3. XRD patterns of ZnO nanowalls grown at different deposition voltages
Fig. 4. Raman spectra of ZnO nanowalls grown at different deposition voltages
Fig. 5. Photoluminescence spectra of ZnO nanowalls grown at different deposition voltages
Fig. 6. Transmittance spectra of ZnO nanowalls and seed crystal substrate
Fig. 7. Ultraviolet response characteristic diagrams of ZnO nanowalls. (a) UV response curves of ZnO nanowalls; (b) response and recovery curve of ZnO nanowalls at deposition voltage of 1.6 V; (c) UV response and recovery time of ZnO nanowalls versus deposition voltage
Fig. 8. I-V characteristics of ZnO nanowalls. (a) I-V characteristics of ZnO nanowalls at deposition voltage of 1.6 V; (b) photo-to-dark current ratio of ZnO nanowalls versus deposition voltage
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