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Present status and future prospects of perovskite photovoltaics

Solar cells based on metal halide perovskites continue to approach their theoretical performance limits thanks to worldwide research efforts. Mastering the materials properties and addressing stability may allow this technology to bring profound transformations to the electric power generation industry.

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  1. 1.

    Green, M. A., Ho-Baillie, A. & Snaith, H. J. The emergence of perovskite solar cells. Nat. Photon. 8, 506 (2014).

  2. 2.

    Bush, K. A. et al. 23.6%-efficient monolithic perovskite/silicon tandem solar cells with improved stability. Nat. Energy 2, 17009 (2017).

  3. 3.

    Saliba, M. et al. Incorporation of rubidium cations into perovskite solar cells improves photovoltaic performance. Science 354, 206–209 (2016).

  4. 4.

    Wang, Z. P. et al. Efficient ambient-air-stable solar cells with 2D–3D heterostructured butylammonium-caesium-formamidinium lead halide perovskites. Nat. Energy 2, 17135 (2017).

  5. 5.

    Asghar, M. I., Zhang, J., Wang, H. & Lund, P. D. Device stability of perovskite solar cells — a review. Renew. Sustain. Energy Rev. 77, 131–146 (2017).

  6. 6.

    Green, M. A. & Ho-Baillie, A. Perovskite solar cells: the birth of a new era in photovoltaics. ACS Energy Lett. 2, 822–830 (2017).

  7. 7.

    Manser, J. S., Saidaminov, M. I., Christians, J. A., Bakr, O. M. & Kamat, P. V. Making and breaking of lead halide perovskites. Acc. Chem. Res. 49, 330–338 (2016).

  8. 8.

    Miller, O. D., Yablonovitch, E. & Kurtz, S. R. Strong Internal and External Luminescence as Solar Cells Approach the Shockley–Queisser Limit. IEEE J. Photovoltaics 2, 303–311 (2012).

  9. 9.

    Green, M. A. Radiative efficiency of state-of-the-art photovoltaic cells. Prog. Photovoltaics Res. Appl. 20, 472–476 (2012).

  10. 10.

    Yoshikawa, K. et al. Silicon heterojunction solar cell with interdigitated back contacts for a photoconversion efficiency over 26%. Nat. Energy 2, 17032 (2017).

  11. 11.

    Deschler, F. et al. High photoluminescence efficiency and optically pumped lasing in solution-processed mixed halide perovskite semiconductors. J. Phys. Chem. Lett. 5, 1421–1426 (2014).

  12. 12.

    Pazos-Outón, L. M. et al. Photon recycling in lead iodide perovskite solar cells. Science 351, 1430–1433 (2016).

  13. 13.

    Nayak, P. K. & Cahen, D. Updated assessment of possibilities and limits for solar cells. Adv. Mater. 26, 1622–1628 (2014).

  14. 14.

    Noel, N. K. et al. Enhanced photoluminescence and solar cell performance via lewis base passivation of organic inorganic lead halide perovskites. ACS Nano 8, 9815–9821 (2014).

  15. 15.

    Wolff, C. M. et al. Reduced interface-mediated recombination for high open-circuit voltages in CH3NH3PbI3 solar cells. Adv. Mater. 29, 1700159 (2017).

  16. 16.

    Steirer, K. X. et al. Defect tolerance in methylammonium lead triiodide perovskite. ACS Energy Lett. 1, 360–366 (2016).

  17. 17.

    Yin, W.-J., Shi, T. & Yan, Y. Unusual defect physics in CH3NH3PbI3 perovskite solar cell absorber. Appl. Phys. Lett. 104, 063903 (2014).

  18. 18.

    Yan, K. et al. Hybrid halide perovskite solar cell precursors: colloidal chemistry and coordination engineering behind device processing for high efficiency. J. Am. Chem. Soc. 137, 4460–4468 (2015).

  19. 19.

    Noel, N. K. et al. Unveiling the Influence of pH on the crystallization of hybrid perovskites, delivering low voltage loss photovoltaics. Joule 1, 328–343 (2017).

  20. 20.

    Moore, D. T. et al. Crystallization kinetics of organic–inorganic trihalide perovskites and the role of the lead anion in crystal growth. J. Am. Chem. Soc. 137, 2350–2358 (2015).

  21. 21.

    Wang, F., Yu, H., Xu, H. & Zhao, N. HPbI3: A New Precursor Compound for Highly Efficient Solution-Processed Perovskite Solar Cells. Adv. Functional Mater. 25, 1120–1126 (2015).

  22. 22.

    Green, M. A. & Bremner, S. P. Energy conversion approaches and materials for high-efficiency photovoltaics. Nat. Mater. 16, 23 (2016).

  23. 23.

    Green, M. A. Third generation photovoltaics: solar cells for 2020 and beyond. Physica E Low Dimens. Syst. Nanostruct. 14, 65–70 (2002).

  24. 24.

    Eperon, G. E., Horantner, M. T. & Snaith, H. J. Metal halide perovskite tandem and multiple-junction photovoltaics. Nat. Rev. Chem. 1, 0095 (2017).

  25. 25.

    Lal, N. N. et al. Perovskite tandem solar cells. Adv. Energy Mater. (2017).

  26. 26.

    Horantner, M. T. et al. The potential of multijunction perovskite solar cells. ACS Energy Lett. 2, 2506–2513 (2017).

  27. 27.

    Kim, J., Lee, S.-H., Lee, J. H. & Hong, K.-H. The role of intrinsic defects in methylammonium lead iodide perovskite. J. Phys. Chem. Lett. 5, 1312–1317 (2014).

  28. 28.

    Filip, M. R., Eperon, G. E., Snaith, H. J. & Giustino, F. Steric engineering of metal-halide perovskites with tunable optical band gaps. Nat. Commun. 5, 5757 (2014).

  29. 29.

    Swarnkar, A. et al. Quantum dot–induced phase stabilization of α-CsPbI3 perovskite for high-efficiency photovoltaics. Science 354, 92–95 (2016).

  30. 30.

    Brandt, R. E. et al. Searching for “defect-tolerant” photovoltaic materials: combined theoretical and experimental screening. Chem. Mater. 29, 4667–4674 (2017).

  31. 31.

    Hoye, R. L. Z. et al. Perovskite-inspired photovoltaic materials: toward best practices in materials characterization and calculations. Chem. Mater. 29, 1964–1988 (2017).

  32. 32.

    Giustino, F. & Snaith, H. J. Toward lead-free perovskite solar cells. ACS Energy Lett. 1, 1233–1240 (2016).

  33. 33.

    Greul, E., Petrus, M., Binek, A., Docampo, P. & Bein, T. Highly stable, phase pure Cs2AgBiBr6 double perovskite thin films for optoelectronic applications. J. Mater. Chem. A 5, 19972–19981 (2017).

  34. 34.

    Quan, L. N. et al. Ligand-stabilized reduced-dimensionality perovskites. J. Am. Chem. Soc. 138, 2649–2655 (2016).

  35. 35.

    Hu, Y. et al. Hybrid perovskite/perovskite heterojunction solar cells. ACS Nano 10, 5999–6007 (2016).

  36. 36.

    Jean, J., Brown, P. R., Jaffe, R. L., Buonassisi, T. & Bulovic, V. Pathways for solar photovoltaics. Energy Environ. Sci. 8, 1200–1219 (2015).

  37. 37.

    Celik, I. et al. Environmental analysis of perovskites and other relevant solar cell technologies in a tandem configuration. Energy Environ. Sci. 10, 1874–1884 (2017).

  38. 38.

    Perovskite photovoltaic: A review of the patent landscape. Cintelliq (2018).

  39. 39.

    Wesoff, E. Rest in peace: the list of deceased solar companies. GreenTechMedia (6 April 2013).

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H.S. is funded by the EPSRC, UK and the European Union’s Horizon 2020 framework programme for research and innovation under grant agreement no. 653296 of the CHEOPS project. H.S. thanks P. Nayak for providing adaptations to Fig. 1c.

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Competing interests

H.S. is co-founder and Chief Scientific Officer of Oxford Photovoltaics Ltd.

Correspondence to Henry J. Snaith.

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Further reading

Fig. 1: Light emission and voltage losses in perovskite solar cells.
Fig. 2: Material production capacity and environmental impact.
Fig. 3: Patents and PV technologies under development.