• Chinese Optics Letters
  • Vol. 15, Issue 9, 093501 (2017)
Shuai Gu, Pengchen Zhu, Renxing Lin, Mingyao Tang, Shining Zhu, and Jia Zhu*
Author Affiliations
  • National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences and School of Physics, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
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    DOI: 10.3788/COL201715.093501 Cite this Article Set citation alerts
    Shuai Gu, Pengchen Zhu, Renxing Lin, Mingyao Tang, Shining Zhu, Jia Zhu. Thermal-stable mixed-cation lead halide perovskite solar cells[J]. Chinese Optics Letters, 2017, 15(9): 093501 Copy Citation Text show less
    (Color online) (a) XRD patterns of MA1-xCsxPbI3 films (x=0–0.30). (b) Absorption spectra of MA1-xCsxPbI3 films (x=0–0.30).
    Fig. 1. (Color online) (a) XRD patterns of MA1-xCsxPbI3 films (x=00.30). (b) Absorption spectra of MA1-xCsxPbI3 films (x=00.30).
    (a)–(e) Top-view SEM images of MA1-xCsxPbI3 films for x=0, 0.05, 0.10, 0.15, 0.20, and 0.30. Scale bars are all 250 nm. (g) Cross-section SEM images of a solar cell. The scale bar is 1 μm.
    Fig. 2. (a)–(e) Top-view SEM images of MA1-xCsxPbI3 films for x=0, 0.05, 0.10, 0.15, 0.20, and 0.30. Scale bars are all 250 nm. (g) Cross-section SEM images of a solar cell. The scale bar is 1 μm.
    (Color online) (a) Best performances of PV devices incorporating MA0.85Cs0.15PbI3 and MAPbI3, respectively. (b) EQE spectra of MA0.85Cs0.15PbI3 and MAPbI3-based devices. (c) and (d) PCE distributions of MA0.85Cs0.15PbI3 and MAPbI3-based devices.
    Fig. 3. (Color online) (a) Best performances of PV devices incorporating MA0.85Cs0.15PbI3 and MAPbI3, respectively. (b) EQE spectra of MA0.85Cs0.15PbI3 and MAPbI3-based devices. (c) and (d) PCE distributions of MA0.85Cs0.15PbI3 and MAPbI3-based devices.
    (Color online) XRD patterns and absorption spectra of MA0.85Cs0.15PbI3 and MAPbI3 films before and after thermal treatment. (a) and (b) XRD patterns of MA0.85Cs0.15PbI3 and MAPbI3 films before and after being heated at 150°C for 20 min, respectively. (c) and (d) Absorption spectra of MA0.85Cs0.15PbI3 and MAPbI3 films before and after being heated at 150°C for 3 h, respectively. For comparison, the insets in (c) and (d) are the photographs of MA0.85Cs0.15PbI3 and MAPbI3 films before (the left) and after (the right) being heated at 150°C for 3 h.
    Fig. 4. (Color online) XRD patterns and absorption spectra of MA0.85Cs0.15PbI3 and MAPbI3 films before and after thermal treatment. (a) and (b) XRD patterns of MA0.85Cs0.15PbI3 and MAPbI3 films before and after being heated at 150°C for 20 min, respectively. (c) and (d) Absorption spectra of MA0.85Cs0.15PbI3 and MAPbI3 films before and after being heated at 150°C for 3 h, respectively. For comparison, the insets in (c) and (d) are the photographs of MA0.85Cs0.15PbI3 and MAPbI3 films before (the left) and after (the right) being heated at 150°C for 3 h.
    (Color online) Thermal stability of devices under a heat stress test at 140°C. (a) Normalized Voc, (b) normalized Jsc, (c) normalized FF, and (d) normalized PCE. Insets in (a) are the photographs of devices with MA0.85Cs0.15PbI3 (right) and MAPbI3 (left) after being heated at 140°C for 80 min.
    Fig. 5. (Color online) Thermal stability of devices under a heat stress test at 140°C. (a) Normalized Voc, (b) normalized Jsc, (c) normalized FF, and (d) normalized PCE. Insets in (a) are the photographs of devices with MA0.85Cs0.15PbI3 (right) and MAPbI3 (left) after being heated at 140°C for 80 min.
    Shuai Gu, Pengchen Zhu, Renxing Lin, Mingyao Tang, Shining Zhu, Jia Zhu. Thermal-stable mixed-cation lead halide perovskite solar cells[J]. Chinese Optics Letters, 2017, 15(9): 093501
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