Meng CAO, Bin YU, Xiang ZHANG, Cheng-Gang XU, Shan ZHANG, Li-Ying SUN, Xiao-Hong TAN, Yu-Cheng JIANG, Jia-Wei DOU, Lin-Jun WANG. Photoelectrochemical properties of sputtered n-type CdTe thin films[J]. Journal of Infrared and Millimeter Waves, 2022, 41(4): 659
- Journal of Infrared and Millimeter Waves
- Vol. 41, Issue 4, 659 (2022)
Fig. 1. Surficial and sectional SEM images of n-type CdTe thin film with deposition time（a）15 min，（b）20 min，（c）25 min，（d）30 min，（e）20 min，（f）30 min.
Fig. 2. XRD patterns of n-typeCdTe thin film with deposition time（a）15 min，（b）20 min，（c）25 min，（d）30 min
Fig. 3. Diffuse reflection spectra of n-type CdTe thin film with deposition time（a）UV-Vis diffuse reflection spectra，（b）band-gap spectra
Fig. 4. XPS spectrum of n-type CdTe thin film（a）full spectrum，（b）Cd3d，（c）TeO2，（d）Te3d
Fig. 5. PEC properties of n-type CdTe thin film measured in different solution（a）I-V，（b）I-T
Fig. 6. PEC properties of n-type CdTe thin film deposited with different time（a）I-V，（b）I-T.
Fig. 7. （a）Schematic diagram of equivalent circuit of electrolytic cell，（b）schematic diagram of simplified equivalent circuit，（c）simple schematic diagram of Nyqusit diagram calculation Ru，Rct，Cd；PEC curves of n-type CdTe thin film deposited with different time（d）Nyquist spectrum，（e）MS spectrum
Fig. 8. PEC properties of n-type CdTe thin film annealed with different temperatures in a vacuum（a）I-V，（b）I-T
Fig. 9. PEC properties of n-type CdTe thin film annealed in different conditions（a）I-V，（b）I-T.
Fig. 10. EDS mapping of O in n-type CdTe thin film annealed in different conditions（a）annealed in vacuum，（b）CdCl2 coated n-type CdTe annealed in vacuum，（c）annealed in N2 atmosphere
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Table 1. performance parameters of CdTe thin film with different deposition time
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Table 2. PEC properties of different annealing conditions
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