Skip to main content
Log in

Facile deposition of high-quality Cs2AgBiBr6 films for efficient double perovskite solar cells

高效制备优质Cs2AgBiBr6薄膜及其太阳能电池

  • Articles
  • Published:
Science China Materials Aims and scope Submit manuscript

Abstract

Lead-free double perovskite, Cs2AgBiBr6, with higher stability and lower toxicity than those of its lead counterparts, has been considered a promising alternative for next-generation photovoltaic materials. For practical applications, a facile deposition method that could be used to fabricate high-quality double perovskite films with large grain size is highly desired. However, such kind of facile method has never been established for Cs2AgBiBr6. Herein, high-quality Cs2AgBiBr6 thin films with an average grain size of approximately 0.5 μm were successfully deposited via a simple one-step spin-coating method by using dimethyl sulfoxide (DMSO)-N,N-dimethylformamide (DMF) mixture with optimized volume ratio as the solvent and chlorobenzene (CB) as the antisolvent. On the basis of satisfactory quality of the film, efficient (>1%) Cs2AgBiBr6 perovskite solar cells were constructed. Furthermore, the photo-generated charge-carrier transfer from Cs2AgBiBr6 to the adjacent carrier extraction layers was systematically investigated via femtosecond transient spectroscopies. This study offers a new pathway to acquiring high-quality Cs2AgBiBr6 thin films and provides a useful guide toward the development of high-efficiency double perovskite solar cells in the future.

摘要

无铅双钙钛矿Cs2AgBiBr6与铅基钙钛矿相比具有更高的稳定性和更低的毒性, 被认为是很有前途的下一代光伏材料. 在实际应用中, 人们迫切需要一种简便的沉积方法来制备高质量、大晶粒尺寸的双钙钛矿薄膜. 然而, 目前尚未找到制备Cs2AgBiBr6薄膜的简便方法. 本文通过简单的一步旋涂法成功制备了晶粒尺寸达 0.5 μm的高质量Cs2AgBiBr6薄膜, 该方法使用体积比优化后的二甲基亚砜-二甲基甲酰胺(DMSO-DMF)混合溶液作为溶剂, 氯苯作为反溶剂. 基于良好的薄膜质量, 制备了高效(>1%) Cs2AgBiBr6钙钛矿太阳能电池. 此外, 利用飞秒瞬态光谱系统地研究了Cs2AgBiBr6与相邻的载流子传输层之间的光生电荷转移. 本工作为制备高质量的Cs2AgBiBr6薄膜开辟了新方法, 为高效双钙钛矿太阳能电池的发展提供了有益指导.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Best research‐cell efficiencies (NREL). https://www.nrel.gov/pv/assets/pdfs/best-research-cell-efficiencies.20200203.pdf, (accessed: Februay 2020)

  2. Rong Y, Hu Y, Mei A, et al. Challenges for commercializing per-ovskite solar cells. Science, 2018, 361: eaat8235

    Google Scholar 

  3. Correa-Baena JP, Saliba M, Buonassisi T, et al. Promises and challenges of perovskite solar cells. Science, 2017, 358: 739–744

    CAS  Google Scholar 

  4. Hu H, Dong B, Zhang W. Low-toxic metal halide perovskites: opportunities and future challenges. J Mater Chem A, 2017, 5: 11436–11449

    CAS  Google Scholar 

  5. Igbari F, Wang Z, Liao L. Progress of lead-free halide double perovskites. Adv Energy Mater, 2019, 9: 1803150

    Google Scholar 

  6. Liang C, Zhao D, Li Y, et al. Ruddlesden-popper perovskite for stable solar cells. Energy Environ Mater, 2018, 1: 221–231

    CAS  Google Scholar 

  7. Zhang B, Lei Y, Qi R, et al. An in-situ room temperature route to CuBiI4 based bulk-heterojunction perovskite-like solar cells. Sci China Mater, 2018, 62: 519–526

    Google Scholar 

  8. Pan W, Wu H, Luo J, et al. Cs2AgBiBr6 single-crystal X-ray detectors with a low detection limit. Nat Photon, 2017, 11: 726–732

    CAS  Google Scholar 

  9. Slavney AH, Hu T, Lindenberg AM, et al. A bismuth-halide double perovskite with long carrier recombination lifetime for photovoltaic applications. J Am Chem Soc, 2016, 138: 2138–2141

    CAS  Google Scholar 

  10. Tran TT, Panella JR, Chamorro JR, et al. Designing indirect-direct bandgap transitions in double perovskites. Mater Horiz, 2017, 4: 688–693

    CAS  Google Scholar 

  11. Zhang C, Gao L, Teo S, et al. Design of a novel and highly stable lead-free Cs2NaBiI6 double perovskite for photovoltaic application. Sustain Energy Fuels, 2018, 2: 2419–2428

    CAS  Google Scholar 

  12. Luo J, Wang X, Li S, et al. Efficient and stable emission of warm-white light from lead-free halide double perovskites. Nature, 2018, 563: 541–545

    CAS  Google Scholar 

  13. Igbari F, Wang R, Wang ZK, et al. Composition stoichiometry of Cs2AgBiBr6 films for highly efficient lead-free perovskite solar cells. Nano Lett, 2019, 19: 2066–2073

    CAS  Google Scholar 

  14. Greul E, Petrus ML, Binek A, et al. Highly stable, phase pure Cs2AgBiBr6 double perovskite thin films for optoelectronic applications. J Mater Chem A, 2017, 5: 19972–19981

    CAS  Google Scholar 

  15. Du KZ, Meng W, Wang X, et al. Bandgap engineering of lead-free double perovskite Cs2AgBiBr6 through trivalent metal alloying. Angew Chem Int Ed, 2017, 56: 8158–8162

    CAS  Google Scholar 

  16. Kung PK, Li MH, Lin PY, et al. Lead-free double perovskites for perovskite solar cells. Sol RRL, 2019, 4: 1900306

    Google Scholar 

  17. Gao W, Ran C, Xi J, et al. High-quality Cs2AgBiBr6 double per-ovskite film for lead-free inverted planar heterojunction solar cells with 2.2 % efficiency. ChemPhysChem, 2018, 19: 1696–1700

    CAS  Google Scholar 

  18. Pantaler M, Cho KT, Queloz VIE, et al. Hysteresis-free lead-free double-perovskite solar cells by interface engineering. ACS Energy Lett, 2018, 3: 1781–1786

    CAS  Google Scholar 

  19. Ning W, Wang F, Wu B, et al. Long electron-hole diffusion length in high-quality lead-free double perovskite films. Adv Mater, 2018, 30: 1706246

    Google Scholar 

  20. Wang M, Zeng P, Bai S, et al. High quality sequential vapor deposited Cs2AgBiBr6 thin films for lead-free perovskite solar cells. Sol RRL, 2018, 2: 1800217

    Google Scholar 

  21. Fan P, Peng HX, Zheng ZH, et al. Single-source vapor-deposited Cs2AgBiBr6 thin films for lead-free perovskite solar cells. Nano-materials, 2019, 9: 1760

    CAS  Google Scholar 

  22. Wu C, Zhang Q, Liu Y, et al. The dawn of lead-free perovskite solar cell: highly stable double perovskite Cs2AgBiBr6 film. Adv Sci, 2018, 5: 1700759

    Google Scholar 

  23. Zhang Z, Wu C, Wang D, et al. Improvement of Cs2AgBiBr6double perovskite solar cell by rubidium doping. Org Electron, 2019, 74: 204–210

    CAS  Google Scholar 

  24. Li Y, Shi Z, Lei L, et al. Ultrastable lead-free double perovskite photodetectors with imaging capability. Adv Mater Interfaces, 2019, 6: 1900188

    Google Scholar 

  25. Lei LZ, Shi ZF, Li Y, et al. High-efficiency and air-stable photo-detectors based on lead-free double perovskite Cs2AgBiBr6 thin films. J Mater Chem C, 2018, 6: 7982–7988

    CAS  Google Scholar 

  26. Ren Y, Duan B, Xu Y, et al. New insight into solvent engineering technology from evolution of intermediates via one-step spin-coating approach. Sci China Mater, 2017, 60: 392–398

    CAS  Google Scholar 

  27. Todorov T, Mitzi DB. Direct liquid coating of chalcopyrite light-absorbing layers for photovoltaic devices. Eur J Inorg Chem, 2010, 2010(1): 17–28

    Google Scholar 

  28. Thanh NTK, Maclean N, Mahiddine S. Mechanisms of nucleation and growth of nanoparticles in solution. Chem Rev, 2014, 114: 7610–7630

    CAS  Google Scholar 

  29. Dunlap-Shohl WA, Zhou Y, Padture NP, et al. Synthetic approaches for halide perovskite thin films. Chem Rev, 2018, 119: 3193–3295

    Google Scholar 

  30. Jung M, Ji SG, Kim G, et al. Perovskite precursor solution chemistry: from fundamentals to photovoltaic applications. Chem Soc Rev, 2019, 48: 2011–2038

    CAS  Google Scholar 

  31. Luo D, Yang W, Wang Z, et al. Enhanced photovoltage for inverted planar heterojunction perovskite solar cells. Science, 2018, 360: 1442–1446

    CAS  Google Scholar 

  32. Yang J, Bao C, Ning W, et al. Stable, high-sensitivity and fast-response photodetectors based on lead-free Cs2AgBiBr6 double perovskite films. Adv Opt Mater, 2019, 7: 1801732

    Google Scholar 

  33. Pascoe AR, Gu Q, Rothmann MU, et al. Directing nucleation and growth kinetics in solution-processed hybrid perovskite thin-films. Sci China Mater, 2017, 60: 617–628

    CAS  Google Scholar 

  34. Liu T, Zhou Y, Hu Q, et al. Fabrication of compact and stable perovskite films with optimized precursor composition in the fast-growing procedure. Sci China Mater, 2017, 60: 608–616

    CAS  Google Scholar 

  35. Jeon NJ, Noh JH, Kim YC, et al. Solvent engineering for high-performance inorganic–organic hybrid perovskite solar cells. Nat Mater, 2014, 13: 897–903

    CAS  Google Scholar 

  36. Steele JA, Pan W, Martin C, et al. Photophysical pathways in highly sensitive Cs2AgBiBr6 double-perovskite single-crystal X-ray detectors. Adv Mater, 2018, 30: 1804450

    Google Scholar 

  37. Schade L, Wright AD, Johnson RD, et al. Structural and optical properties of Cs2AgBiBr6 double perovskite. ACS Energy Lett, 2018, 4: 299–305

    Google Scholar 

  38. Kentsch R, Scholz M, Horn J, et al. Exciton dynamics and electron-phonon coupling affect the photovoltaic performance of the Cs2AgBiBr6 double perovskite. J Phys Chem C, 2018, 122: 25940–25947

    CAS  Google Scholar 

  39. Xing G, Mathews N, Sun S, et al. Long-range balanced electron-and hole-transport lengths in organic-inorganic CH3NH3PbI3. Science, 2013, 342: 344–347

    CAS  Google Scholar 

  40. Zhang Z, Sun F, Zhu Z, et al. Unconventional solution-phase epitaxial growth of organic-inorganic hybrid perovskite nano-crystals on metal sulfide nanosheets. Sci China Mater, 2018, 62: 43–53

    Google Scholar 

  41. Chen W, Wu Y, Yue Y, et al. Efficient and stable large-area per-ovskite solar cells with inorganic charge extraction layers. Science, 2015, 350: 944–948

    CAS  Google Scholar 

  42. Zhao D, Wu Y, Tu B, et al. Understanding the impact of Cu-In-Ga-S nanoparticles compactness on holes transfer of perovskite solar cells. Nanomaterials, 2019, 9: 286

    CAS  Google Scholar 

Download references

Acknowledgements

The authors acknowledge financial support from Macau Science and Technology Development Fund (FDCT-116/2016/ A3, FDCT-091/2017/A2 and FDCT-014/2017/AMJ), the Research Grants (SRG2016–00087-FST, MYRG2018–00148-IAPME) from University of Macau, the National Natural Science Foundation of China (91733302, 61605073, 61935017), and the Natural Science Foundation of Guangdong Province, China (2019A1515012186).

Author information

Authors and Affiliations

Authors

Contributions

Zhao D and Xing G conceived the idea. Zhao D conducted the experiments. All authors contributed to the date analysis and co-drafted the manuscript. Xing G led the project.

Corresponding author

Correspondence to Guichuan Xing  (邢贵川).

Additional information

Conflict of interest

The authors declare that they have no conflict of interest.

Dandan Zhao graduated from Henan University with master degree, focusing on the solution-processed copper indium gallium selenide (CuInxGa(1-x)Se2) thin film solar cells. She is currently a PhD candidate in the Institute of Applied Physics and Materials Engineering (IAPME) at University of Macau under the supervision of Professor Guichuan Xing, and has interests in using the lead-free perovskite materials to fabricate stable solar cells.

Bingzhe Wang received his master degree in material engineering in 2014 from Qingdao University of Science and Technology, where he received his BSc degree. In 2019, he received his PhD degree in physical chemistry from the Friedrich-Alexander University of Erlangen-Nuremberg. He is currently a postdoctoral researcher in the IAPME, University of Macau. His research interest focus on ultrafast carrier dynamics in solar energy conversion.

Chao Liang graduated with a BSc degree from Henan University of Technology (2014) as well as a MSc degree in materials science from Zhengzhou University (2017). He is currently a PhD candidate in the IAPME at University of Macau under the supervision of Professor Gui-chuan Xing. His research areas focus on per-ovskite solar cells and quantum dot solar cells.

Guichuan Xing obtained his BSc degree in light sources and illuminating engineering from Fu-dan Univesity in 2003 and PhD in physics from the National University of Singapore in 2011. He joined the IAPME, University of Macau as an assistant professor in 2016. His current research interests include nonlinear optical properties and ultrafast carrier dynamics in novel optoelectronic materials and devices.

Supplementary Information

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Zhao, D., Wang, B., Liang, C. et al. Facile deposition of high-quality Cs2AgBiBr6 films for efficient double perovskite solar cells. Sci. China Mater. 63, 1518–1525 (2020). https://doi.org/10.1007/s40843-020-1346-0

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s40843-020-1346-0

Keywords

Navigation