Jingrong Meng, Guolong Li, Xinlei Suo, Lilai Zhang, Hang Su, Wan Li, Hao Wang. Property Optimization of Perovskite Solar Cells Enhanced by Spiro-OMeTAD Layer Oxidation[J]. Laser & Optoelectronics Progress, 2019, 56(18): 183101
- Laser & Optoelectronics Progress
- Vol. 56, Issue 18, 183101 (2019)
![Schematic of structure. (a) Perovskite solar cell; (b) Spiro-OMeTAD molecule[17]](/richHtml/lop/2019/56/18/183101/img_1.jpg)
Fig. 1. Schematic of structure. (a) Perovskite solar cell; (b) Spiro-OMeTAD molecule[17]
Fig. 2. Schematics of optical absorptance. (a) Ultraviolet-visible (UV-Vis) absorption of Spiro-OMeTAD films before and after oxidation; (b) calculation of total layer absorptance
Fig. 3. AFM of Spiro-OMeTAD film. (a) Before oxidation; (b) after oxidation
Fig. 4. Distribution of energy flow density inside devices. (a) Planar device without pinhole; (b) device with pinhole
Fig. 5. UPS spectra of Sprio-OMeTAD film before and after oxidation. (a) Spectrum of work function before oxidation; (b) spectrum of valence band after oxidation; (c) spectrum of work function after oxidation; (d) spectrum of valence band after oxidation
Fig. 6. Cross-sectional SEM image of perovskite solar cell
Fig. 7. EIS of four devices in dark state at 0.4-V bias voltage
Fig. 8. Devices obtained by four oxidation modes. (a) J-V curves; (b) EQE curves
Fig. 9. Statistical chart of PCE distributions of devices obtained by four oxidation modes
|
Table 1. Performance parameters corresponding to different devices
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20