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Sequential deposition method fabricating carbonbased fully-inorganic perovskite solar cells

连续沉积法制备碳电极无机钙钛矿太阳电池

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Abstract

Hybrid organic-inorganic halide perovskite material has been considered as a potential candidate for various optoelectronic applications. However, their high sensitivity to the environment hampers the actual application. Hence the technology replacing the organic part of the hybrid solar cells needs to be developed. Herein, we fabricated fullyinorganic carbon-based perovskite CsPbBr3 solar cells via a sequential deposition method with a power conversion efficiency of 2.53% and long-time stability over 20 d under ambient air conditions without any encapsulation. An evolution process from tetragonal CsPb2Br5 to CsPb2Br5-CsPbBr3 composites to quasi-cubic CsPbBr3 was found, which was investigated by scanning electron microscopy, X-ray diffraction spectra, UV-vis absorption spectra and Fourier transform infrared spectroscopy. Detailed evolution process was studied to learn more information about the formation process before 10 min. Our results are helpful to the development of inorganic perovskite solar cells and the CsPb2Br5 based optoelectronic devices.

摘要

有机无机杂化钙钛矿是一种有潜力的光伏材料. 然而, 对于环境的高度敏感性限制了它的实际应用. 因此我们需要发展全无机钙钛矿材料. 本文通过连续沉积法制备了效率达到2.53%的碳电极CsPbBr3太阳电池, 并且它能够在无封装的情况下稳定20天. 在制备CsPbBr3薄膜的过程中, 我们首次发现从CsPb2Br5到CsPb2Br5-CsPbBr3混合物到CsPbBr3的转变. 该研究结果对于无机钙钛矿太阳电池的发展和CsPb2Br5基光电器件具有帮助作用.

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Acknowledgements

This work was supported by the National Basic Research Program of China (2016YFA0202400 and 2015CB932200), the National Natural Science Foundation of China (21403247), Distinguished Youth Foundation of Anhui Province (1708085J09), the Fundamental Research Funds for the Central Universities (2017XS079) and the Major/Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology (2016FXZY003)

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Authors and Affiliations

  1. Beijing Key Laboratory of Novel Thin-Film Solar Cells, North China Electric Power University, Beijing, 102206, China

    Xihong Ding  (丁希宏), Yingke Ren  (任英科), Yahan Wu  (吴雅罕) & Songyuan Dai  (戴松元)

  2. Key Laboratory of Photovoltaic and Energy Conservation Materials, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, China

    Yafeng Xu  (徐亚峰), Jun Zhu  (朱俊), Zhaoqian Li  (李兆乾), Yang Huang  (黄阳) & Songyuan Dai  (戴松元)

  3. Key Lab of Special Display Technology, Ministry of Education, National Engineering Lab of Special Display Technology, State Key Lab of Advanced Display Technology, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei, 230009, China

    Jun Zhu  (朱俊)

  4. NAAM Research Group, Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia

    Tasawar Hayat & Ahmed Alsaedi

  5. Department of Mathematics, Quaid-I-Azam University, Islamabad, 44000, Pakistan

    Tasawar Hayat

Authors
  1. Xihong Ding  (丁希宏)
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  2. Yingke Ren  (任英科)
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  3. Yahan Wu  (吴雅罕)
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  4. Yafeng Xu  (徐亚峰)
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  5. Jun Zhu  (朱俊)
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  6. Tasawar Hayat
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  7. Ahmed Alsaedi
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  8. Zhaoqian Li  (李兆乾)
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  9. Yang Huang  (黄阳)
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  10. Songyuan Dai  (戴松元)
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Corresponding authors

Correspondence to Jun Zhu  (朱俊) or Songyuan Dai  (戴松元).

Additional information

Author contributions Ding X conducted the main experiments and wrote this manuscript. Zhu J directly guided this research including the designing, modifying and optimizing work related to this manuscript. Dai S supervised the projects and carefully reviewed and modified this manuscript. Ren Y, Wu Y, Xu Y, Tasawar H, Ahmed A, Li Z, Huang Y provided help in the fabrication of devices and methods of characterization. All authors contributed to the general discussion about this work.

Conflict of interest The authors declare that they have no conflict of interest.

Supplementary information Supporting data are available in the online version of the paper.

Xihong Ding gained his BSc degree from North China Electric Power University in 2015. He is now a PhD candidate of the North China Electric Power University under the supervision of Profs. Jun Zhu and Songyuan Dai. His research interests mainly focus on perovskite solar cells.

Jun Zhu received his PhD degree from University of Science and Technology of China in 2005. He joined Hefei Institutes of Physical Science, Chinese Academy of Sciences and was promoted to full professor in 2015. Now his research interests focus on the new generation solar cells, including quantum dot solar cells and perovskite solar cells.

Songyuan Dai is a professor and Dean of the School of Renewable Energy, North China Electric Power University. He obtained his BSc degree in physics from Anhui Normal University in 1987, and MSc and PhD degrees in plasma physics from the Institute of Plasma Physics, Chinese Academy of Sciences in 1991 and 2001. His research interests mainly focus on next-generation solar cells including dye-sensitized solar cells, quantum dot solar cells, perovskite solar cells, etc.

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Ding, X., Ren, Y., Wu, Y. et al. Sequential deposition method fabricating carbonbased fully-inorganic perovskite solar cells. Sci. China Mater. 61, 73–79 (2018). https://doi.org/10.1007/s40843-017-9117-4

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  • DOI: https://doi.org/10.1007/s40843-017-9117-4

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