Chen Zhang, Hai-Yu Zhang, Hui-Ying Hao, Jing-Jing Dong, Jie Xing, Hao Liu, Lei Shi, Ting-Ting Zhong, Kun-Peng Tang, Xiang Xu. Morphology control of zinc oxide nanorods and its application as an electron transport layer in perovskite solar cells [J]. Acta Physica Sinica, 2020, 69(17): 178101-1
- Acta Physica Sinica
- Vol. 69, Issue 17, 178101-1 (2020)
Fig. 1. (a) Structural schematic diagram of perovskite solar cells using ZnO nanorods as ETL; (b) comparison of the electrical proper-ties of ZnO, TiO2; (c) the energy level of ZnO, TiO2, and other usually used materials in PSCs.
Fig. 2. Characterization of (a) XRD spectrum and (b) steady-state PE spectrum of ZnO nanorods growing at different water thermal temperatures.
Fig. 3. Positive SEM morphology of ZnO nanorods prepared from different seed crystal layers: (a) 3 layers; (b) 5 layers; (c) 7 layers
Fig. 4. SEM photograph of ZnO nanorods prepared on the ITO substrate using different concentrations of precursor fluids: (a) 0.01 mol/L; (b) 0.02 mol/L; (c) 0.03 mol/L; (d) PL spectrum.
Fig. 5. ZnO nanorods SEM morphology prepared on different substrates. (a) ITO; (b) AZO; (c) FTO.
Fig. 6. Changes of the length and diameter SEM of ZnO nanorods with water heat time: (a) 1.5 h; (b) 2.5 h; (c) 3.5 h; (d) 5.0 h; (e) 6.0 h; (f) 7.0 h; (g) 8.0 h; (h) 9.0 h; (i) 10.0 h; (j) line chart.
Fig. 7. (a) J -V curve of batteries with ZnO nanorods as ETL prepared at different hydrothermal times; (b) steady state PL spectrum and (c) absorption spectrum of perovskite on ZnO nanorods with different water heat time.
Fig. 8. Surface morphology of perovskite thin films growing on ZnO nanorods at different hydrothermal times SEM diagram: (a) 2.5 h; (b) 5.0 h; (c) 8.0 h.
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Table 1.
Average length and diameter of ZnO nanobars prepared under different water temperature conditions.
不同水热温度条件下制备的氧化锌纳米棒的平均长度和直径
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Table 2.
Average length and diameter of zinc oxide nanorods prepared under different water heat time.
不同水热时间条件下所制备的氧化锌纳米棒的平均长度和直径
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Table 3.
Average performance parameters and champion PCE of PSCs from different water heat time of ZnO nanorods.
不同氧化锌纳米棒水热时间所制备PSCs平均性能参数及最佳PCE
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