Passivation Strategy for High Performance Perovskite Solar Cells Using a Multifunctional Lewis Base Potassium Salt Additive

1. Chu, S., Cui, Y., Liu, N.: The path towards sustainable energy. Nat. Mater. (2016). https://doi.org/10.1038/nmat483410.1038/nmat4834 ↗

2. Rehman, F., Syed, I.H., Khanam, S., Ijaz, S., Mehmood, H., zubair, Muhammad, massoud, Yehia, mehmood, Muhammad Qasim: Fourth-generation solar cells: A review. Energy Adv. (2023). https://doi.org/10.1039/d3ya00179b10.1039/d3ya00179b ↗

3. Roy, P., Ghosh, A., Barclay, F., Khare, A., Cuce, E.: Perovskite solar cells: A review of the recent advances. Coatings. (2022). https://doi.org/10.3390/coatings1208108910.3390/coatings12081089 ↗

4. De Angelis, F., Meggiolaro, D., Mosconi, E., Petrozza, A., Nazeeruddin, M.K., Snaith, H.J.: Trends in perovskite solar cells and optoelectronics: Status of research and applications from the PSCO conference. ACS Energy Lett. (2017). https://doi.org/10.1021/acsenergylett.7b0021710.1021/acsenergylett.7b00217 ↗

5. Kojima, A., Teshima, K., Shirai, Y., Miyasaka, T.: Organometal halide perovskites as visible-light sensitizers for photovoltaic cells. J. Am. Chem. Soc. (2009). https://doi.org/10.1021/ja809598r10.1021/ja809598r ↗

6. NREL, N.R.E.L., Efficiency chart: (2025). https://www.nrel.gov/pv/cell-efficiency.html

7. Ma, Y., Hangoma, P.M., Park, W.I., Lim, J.H., jung, Yun Kyung, jeong, Jung Hyun, park, Sung Heum, kim, Kwang Ho: Controlled crystal facet of MAPbI3 perovskite for highly efficient and stable solar cell via nucleation modulation. Nanoscale (2019). https://doi.org/10.1039/c8nr08344d10.1039/c8nr08344d ↗

8. Mahmoud, M.A.A., Oussama Er-Raji, B.P., Kore, M., Bivour, Patricia, S.C., Schulze, S.W., Glunz, A.W.: Bett, and Juliane borchert.: Tuning perovskite crystal growth dynamics using additives on textured silicon substrates. Solar RRL. (2024). https://doi.org/10.1002/solr.20240047110.1002/solr.202400471 ↗

9. Lee, S.H., Hong, S., Yoon, G., young, Kim, J., Lee, H.H., Kim, H.J.: Crystallization dynamics control in perovskite films using alkylamines as additives in a 2-methoxyethanol-based antisolvent free process. Mater. Today Energy. (2024). https://doi.org/10.1016/J.MTENER.2024.10151610.1016/J.MTENER.2024.101516 ↗

10. Jaemin Cho, Beomsoo Kim, Seokjoo Ryu, Alan Jiwan Yun, Bumjin Gil, Jiheon Lim, Jihyun Kim, Jinhyun Kim, and Byungwoo Park.: Multifunctional Green Solvent for Efficient Perovskite Solar Cells. Electronic Materials Letters (2023). https://doi.org/10.1007/s13391-023-00410-x10.1007/s13391-023-00410-x ↗

11. Wafee, S., Liu, B.H., Leu, C.C.: Lewis bases: Promising additives for enhanced performance of perovskite solar cells. Mater. Today Energy. (2021). https://doi.org/10.1016/j.mtener.2021.10084710.1016/j.mtener.2021.100847 ↗

12. Kausar, A., Sattar, A., Xu, C., Zhang, S., Kang, Z., Zhang, Y.: Advent of alkali metal doping: A roadmap for the evolution of perovskite solar cells. Chem. Soc. Rev. (2021). https://doi.org/10.1039/d0cs01316a10.1039/d0cs01316a ↗

13. Haeun Yoon, Seungyeon Hong, Sung Hun Lee, In Hwa Cho, Hyo Jung Kim.: GIWAXS Analysis on Preferred Orientation in Metal Halide Perovskite Films Via Alkylamines. Electronic Materials Letters (2022). https://doi.org/10.1007/s13391-022-00352-w10.1007/s13391-022-00352-w ↗

14. Hong, S., Lee, S., Lee, H.H., Jeon, T.Y., Kim, H.J.: Efficient application of intermediate phase for highly-oriented MAPbI3 perovskite solar cells in ambient air. Solar Energy (2021). https://doi.org/10.1016/j.solener.2021.09.01210.1016/j.solener.2021.09.012 ↗

15. Yang, Y., Feng, S., Li, M., Xu, W., Yin, G., Wang, Z., Sun, Baoquan, Gao, X.: Annealing induced re-crystallization in CH3NH3PbI3-xClx for high performance perovskite solar cells. Sci. Rep. (2017). https://doi.org/10.1038/srep4672410.1038/srep46724 ↗

16. Fu, W., Liu, H., Shi, X., Zuo, L., Li, X., Jen, A.K.Y.: Tailoring the functionality of organic spacer cations for efficient and stable Quasi-2D perovskite solar cells. Adv. Funct. Mater. (2019). https://doi.org/10.1002/adfm.20190022110.1002/adfm.201900221 ↗

17. Mahapatra, A., Prochowicz, D., Tavakoli, M.M., Trivedi, S., Kumar, P., Yadav, P.: A review of aspects of additive engineering in perovskite solar cells. J. Mater. Chem. Mater. (2020). https://doi.org/10.1039/c9ta07657c10.1039/c9ta07657c ↗

18. Wang, R., Xue, J., Meng, L., Lee, J.W., Zhao, Z., Sun, P., Le Cai: Caffeine Improves the Performance and Thermal Stability of Perovskite Solar Cells. Joule (2019). https://doi.org/10.1016/j.joule.2019.04.00510.1016/j.joule.2019.04.005 ↗

19. Lee, J.W., Bae, S.H., Hsieh, Y.T., De Marco, N., Wang, M., Sun, Pengyu, Yang, Y.: A Bifunctional Lewis Base Additive for Microscopic Homogeneity in Perovskite Solar Cells. Chem. (2017). https://doi.org/10.1016/j.chempr.2017.05.02010.1016/j.chempr.2017.05.020 ↗

20. Anaya Gonzalez, G.S., Jose, J., Jeronimo-Rendon, Q., Wang, G., Li, A.O., Alvarez: Francisco Fabregat-Santiago, Hans köbler.: Large grain size with reduced non-radiative recombination in potassium incorporated methylammonium-free perovskite solar cells. Sol. Energy Mater. Sol. Cells. (2022). https://doi.org/10.1016/j.solmat.2022.11196410.1016/j.solmat.2022.111964 ↗

21. Meng, X., Wang, J., Wang, H., Li, M., Derun, S.: Xiaodong Hu, Jizhou He.: Effective Inhibition of phase segregation in Wide-Bandgap perovskites with alkali halides additives to improve the stability of solar cells. solar RRL. (2023). https://doi.org/10.1002/solr.20220109910.1002/solr.202201099 ↗

22. Azmi, R., Nurrosyid, N., Lee, S.H., Mubarok, M.A., Lee, W., Hwang, S.: Shallow and deep trap state passivation for Low-Temperature processed perovskite solar cells. ACS Energy Lett. (2020). https://doi.org/10.1021/acsenergylett.0c0059610.1021/acsenergylett.0c00596 ↗

23. Son, D., Yong, S.G., Kim, J.Y., Seo, S.H., Lee, H., Shin, D., Lee, Nam Gyu Park: Universal approach toward Hysteresis-Free perovskite solar cell via defect engineering. J. Am. Chem. Soc. (2018). https://doi.org/10.1021/jacs.7b1043010.1021/jacs.7b10430 ↗

24. Chang, J., Feng, E., Feng, X., Li, H., Ding, Y.: Siyuan lu.: Bridging buried interface enable 24.67%-efficiency doctor-bladed perovskite solar cells in ambient condition. Nano Res. (2024). https://doi.org/10.1007/s12274-024-6639-910.1007/s12274-024-6639-9 ↗

25. López, R.: Capillary surfaces with free boundary in a wedge. Advances in Mathematics (2014). https://doi.org/10.1016/j.aim.2014.05.01910.1016/j.aim.2014.05.019 ↗

26. Chen, S., Xiao, X., Chen, B., Kelly, L.L., Zhao, J., Lin, Y., Toney, M.F., Huang, J.: Crystallization in one-step solution deposition of perovskite films: Upward or downward? Sci. Adv. (2021). https://doi.org/10.1126/sciadv.abb241210.1126/sciadv.abb2412 ↗

27. Li, C., Park, H., Qiu, S., Streller, F., Zhang, K., Peng, Z.: Controlling intermediate phase formation to enhance photovoltaic performance of inverted FA-Based perovskite solar cells. ACS Energy Lett. (2024). https://doi.org/10.1021/acsenergylett.4c0258010.1021/acsenergylett.4c02580 ↗

28. Wang, F., Bai, S., Tress, W., Hagfeldt, A., Gao, F.: Defects engineering for high-performance perovskite solar cells. Npj Flex. Electron. (2018). https://doi.org/10.1038/s41528-018-0035-z10.1038/s41528-018-0035-z ↗

29. Xu, F., Liu, J., Subbiah, A.S., Liu, W., Kang, J., Harrison, G.T., Yang, X., Isikgor, F.H., Aydin, Erkan, De Bastiani, Michele, De Wolf, Stefaan: Potassium Thiocyanate-Assisted Enhancement of Slot-Die-Coated Perovskite Films for High-Performance Solar Cells. Small Science (2021). https://doi.org/10.1002/smsc.20200004410.1002/smsc.202000044 ↗

30. Li, W., Liu, T., Chen, G., Li, N., Wang, X., Liu, Zongming, Cao, B.: Dual efficacy of Potassium-Doping in perovskite solar cells: Reducing hysteresis and boosting Open-Circuit voltage. J. Appl. Phys. (2024). https://doi.org/10.1063/5.022841510.1063/5.0228415 ↗

31. Basumatary, P., Kumari, J., Agarwal, P.: Probing the defects States in MAPbI3 perovskite thin films through photoluminescence and photoluminescence excitation spectroscopy studies. Optik (Stuttg). (2022). https://doi.org/10.1016/j.ijleo.2022.16958610.1016/j.ijleo.2022.169586 ↗

32. Moreno-Romero, P.M., Asiel, N., Corpus-Mendoza, M.A., Millán-Franco, C.A., Rodríguez-Castañeda, D.M., Torres-Herrera, F., Liu, Hu, H.: Roughness and structural modification of PbI2 thin films by isopropanol treatment to improve Methylammonium lead halide formation and solar cell efficiency. J. Mater. Sci.: Mater. Electron. (2019). https://doi.org/10.1007/s10854-019-02100-710.1007/s10854-019-02100-7 ↗

33. Aloysius, D., Gupta, S.: Impact of potassium doping on the optoelectronic properties over inorganic and hybrid bismuth bromide perovskite thin films (A3Bi2Br9, A = Cs+, MA). New J. Chem. (2025). https://doi.org/10.1039/d4nj05274a10.1039/d4nj05274a ↗

34. Mao, K., Cai, F., Zhu, Z., Meng, H., Li, T., Yuan, S., Zhang, J., Peng, W., Xu, J., Feng, X., Chen, Q., Xu, J.: Unveiling and balancing the Passivation-Transport Trade-Off in perovskite solar cells with Double-Side patterned insulator contacts. Adv. Energy Mater. (2023). https://doi.org/10.1002/aenm.20230213210.1002/aenm.202302132 ↗

35. Peng, J., Walter, D., Ren, Y., Tebyetekerwa, M., Wu, Y., Duong, T., Lin, Q., Li, J., Lu, T., Mahmud, M.A., Lem, O.L.C., Zhao, S., Liu, W., Liu, Y., Shen, H., Li, L., Kremer, F., Nguyen, H.T., Choi, D.-Y., Weber, K.J., Catchpole, K.R., White, Thomas P..: Nanoscale localized contacts for high fill factors inpolymer-passivated perovskite solar cells. Science (2021). https://doi.org/10.1126/science.abb868710.1126/science.abb8687 ↗