[1] Kojima A, Teshima K, Shirai Y et al. Organometal halide perovskites as visible‑light sensitizers for photovoltaic cells[J]. Journal of the American Chemical Society, 131, 6050-6051(2009).

[2] National renewable energy laboratory（NREL） best research-cell efficiency chart[webpage](2023). https：//www.nrel.gov/pv/interactive-cell-efficiency.html

[3] Blancon J C, Even J, Stoumpos C C et al. Semiconductor physics of organic‑inorganic 2D halide perovskites[J]. Nature Nanotechnology, 15, 969-985(2020).

[4] Zhou Z, He J, Frauenheim T et al. Control of hot carrier cooling in lead halide perovskites by point defects[J]. Journal of the American Chemical Society, 144, 1-18134(2022).

[5] Fu L, Li H, Wang L et al. Defect passivation strategies in perovskites for an enhanced photovoltaic performance[J]. Energy & Environmental Science, 13, 4017-4056(2020).

[6] Chen B, Rudd P N, Yang S et al. Imperfections and their passivation in halide perovskite solar cells[J]. Chemical Society Reviews, 48, 3842-3867(2019).

[7] Wu Z, Zhang M, Liu Y et al. Groups‑dependent phosphines as the organic redox for point defects elimination in hybrid perovskite solar cells[J]. Journal of Energy Chemistry, 54, 23-29(2021).

[8] Hassan A, Wang Z, Ahn Y H et al. Recent defect passivation drifts and role of additive engineering in perovskite photovoltaics[J]. Nano Energy, 101, 107579(2022).

[9] Walsh A, Stranks S D. Taking control of ion transport in halide perovskite solar cells[J]. ACS Energy Letters, 3, 1983-1990(2018).

[10] Cho S H, Byeon J, Jeong K et al. Investigation of defect‑tolerant perovskite solar cells with long‑term stability via controlling the self‑doping effect[J]. Advanced Energy Materials, 11, 2100555(2021).

[11] Li X, Bi D, Yi C et al. A vacuum flash‑assisted solution process for high‑efficiency large‑area perovskite solar cells[J]. Science, 353, 58-62(2016).

[12] Wu Y, Zhu H, Yu B B et al. Interface modification to achieve high‑efficiency and stable perovskite solar cells[J]. Chemical Engineering Journal, 433, 134613(2022).

[13] Song J, Yin X, Hu L et al. Plasmon‑coupled Au‑nanochain functionalized PEDOT： PSS for efficient mixed tin‑lead iodide perovskite solar cells[J]. Chemical Communications, 58, 1366-1369(2022).

[14] Du X, Zhang J, Su H et al. Synergistic crystallization and passivation by a single molecular additive for high‑performance perovskite solar cells[J]. Advanced Materials, 34, 2204098(2022).

[15] Xiong S, Hou Z, Dong W et al. Additive‑induced synergies of defect passivation and energetic modification toward highly efficient perovskite solar cells[J]. Advanced Energy Materials, 11, 2101394(2021).

[16] Yang Z, Dou J, Kou S et al. Multifunctional phosphorus-containing Lewis acid and base passivation enabling efficient and moisture‑stable perovskite solar cells[J]. Advanced Functional Materials, 30, 1910710(2020).

[17] Zhang F, Bi D, Pellet N et al. Suppressing defects through the synergistic effect of a Lewis base and a Lewis acid for highly efficient and stable perovskite solar cells[J]. Energy & Environmental Science, 11, 3480-3490(2018).

[18] Niu T, Chao L, Gao W et al. Ionic liquids‑enabled efficient and stable perovskite photovoltaics： Progress and challenges[J]. ACS Energy Letters, 6, 1453-1479(2021).

[19] Wang B, Qin L, Mu T et al. Are ionic liquids chemically stable？[J]. Chemical Reviews, 117, 7113-7131(2017).

[20] Wang F, Duan D, Singh M et al. Ionic liquid engineering in perovskite photovoltaics[J]. Energy & Environmental Materials, 6(2023).

[21] Deng X, Xie L, Wang S et al. Ionic liquids engineering for high‑efficiency and stable perovskite solar cells[J]. Chemical Engineering Journal, 398, 125594(2020).

[22] Bai S, Da P, Li C et al. Planar perovskite solar cells with long‑term stability using ionic liquid additives[J]. Nature, 571, 245-250(2019).

[23] Zhu X, Du M, Feng J et al. High‐efficiency perovskite solar cells with imidazolium‐based ionic liquid for surface passivation and charge transport[J]. Angewandte Chemie International Edition, 60, 4238-4244(2021).

[24] Zhang W, Liu X, He B et al. Interface engineering of imidazolium ionic liquids toward efficient and stable CsPbBr₃ perovskite solar cells[J]. ACS Applied Materials & Interfaces, 12, 4540-4548(2020).

[25] Tian J, Xue Q, Tang X et al. Dual interfacial design for efficient CsPbI₂Br perovskite solar cells with improved photostability[J]. Advanced Materials, 31, 1901152(2019).

[26] Wu G B, Liang R, Ge M Z et al. Surface passivation using 2D perovskites toward efficient and stable perovskite solar cells[J]. Advanced Materials, 34, 2105635-30(2022).

[27] Tumen‐Ulzii G, Qin C, Klotz D et al. Detrimental effect of unreacted PbI₂ on the long‐term stability of perovskite solar cells[J]. Advanced Materials, 32, 1905035(2020).

[28] Liu F, Dong Q, Wong M K et al. Is excess PbI₂ beneficial for perovskite solar cell performance？[J]. Advanced Energy Materials, 6, 1502206(2016).

[29] Hu P, Huang S, Guo M et al. Ionic liquid‐assisted crystallization and defect passivation for efficient perovskite solar cells with enhanced open‑circuit voltage[J]. Chem. Sus. Chem., 15(2022).

[30] Wang Y, Yang Y, Han D W et al. Amphoteric imidazole doping induced large‑grained perovskite with reduced defect density for high performance inverted solar cells[J]. Solar Energy Materials and Solar Cells, 212, 110553(2020).

[31] Stolterfoht M, Le Corre V M, Feuerstein M et al. Voltage‑dependent photoluminescence and how it correlates with the fill factor and open‑circuit voltage in perovskite solar cells[J]. ACS Energy Letters, 4, 2887-2892(2019).

[32] Li S, Zhu L, Kan Z et al. A multifunctional additive of scandium trifluoromethanesulfonate to achieve efficient inverted perovskite solar cells with a high fill factor of 83.80%[J]. Journal of Materials Chemistry A, 8, 1-19560(2020).

[33] Macdonald T J, Clancy A J, Xu W et al. Phosphorene nanoribbon‑augmented optoelectronics for enhanced hole extraction[J]. Journal of the American Chemical Society, 143, 2-21559(2021).

[34] Zhou X, Qi W, Li J et al. Toward efficient and stable perovskite solar cells： Choosing appropriate passivator to specific defects[J]. Solar RRL, 4(2020).

[35] Yang J, Sheng W, Li R et al. Uncovering the mechanism of poly （ionic‐liquid）s multiple inhibition of ion migration for efficient and stable perovskite solar cells[J]. Advanced Energy Materials, 12, 2103652(2022).

[36] Zhang J, Yang J, Dai R et al. Elimination of interfacial lattice mismatch and detrimental reaction by self‐assembled layer dual‐passivation for efficient and stable inverted perovskite solar cells[J]. Advanced Energy Materials, 12, 2103674(2022).

[37] Akin S, Akman E, Sonmezoglu S. FAPbI₃‐based perovskite solar cells employing hexyl‐based ionic liquid with an efficiency over 20% and excellent long‐term stability[J]. Advanced Functional Materials, 30, 2002964(2020).