[1] A HUSSAIN, S M ARIF, M ASLAM. Emerging renewable and sustainable energy technologies: state of the art. Renewable and Sustainable Energy Reviews(2017).

[2] K AKIHIRO, T KENJIRO, S YASUO et al. Organometal halide perovskites as visible-light sensitizers for photovoltaic cells. Journal of the American Chemical Society, 6050(2009).

[3] A MEI, X LI, L LIU et al. A hole-conductor-free, fully printable mesoscopic perovskite solar cell with high stability. Science, 295(2014).

[4] T LEIJTENS, K A BUSH, R PRASANNA et al. Opportunities and challenges for tandem solar cells using metal halide perovskite semiconductors. Nature Energy, 828(2018).

[5] Y K JIN, J W LEE, H S JUNG et al. High-efficiency perovskite solar cells. Chemical Reviews, 7867(2020).

[6] K VALADI, S GHARIBI, R TAHERI-LEDARI et al. Metal oxide electron transport materials for perovskite solar cells: a review. Environmental Chemistry Letters, 2185(2021).

[7] T T AVA, A A MAMUN, S MARSILLAC et al. A review: thermal stability of methylammonium lead halide based perovskite solar cells. Applied Sciences, 188(2019).

[8] C ZHANG, Y WANG, X LIN et al. Effects of A site doping on the crystallization of perovskite films. Journal of Materials Chemistry A, 1372(2021).

[9] J GONG, P GUO, S E BENJAMIN et al. Cation engineering on lead iodide perovskites for stable and high-performance photovoltaic applications. Journal of Energy Chemistry, 1017(2018).

[10] A J KNIGHT, J BORCHERT, R D J OLIVER et al. Halide segregation in mixed-halide perovskites: influence of A-site cations. ACS Energy Letters, 799(2021).

[11] Y YANG, J GAO, J R CUI et al. Research progress of perovskite solar cells. Journal of Inorganic Materials, 1131(2015).

[12] Z Y CHU, G L LI, Z H JIANG et al. Recent progress in high- quality perovskite CH₃NH₃PbI₃ single crystal. Journal of Inorganic Materials, 1035(2018).

[13] M T WELLER, O J WEBER, B CHARLES. Phase behaviour and composition in the formamidinium-methylammonium hybrid lead iodide perovskite solid solution. Journal of Materials Chemistry A, 15375(2016).

[14] W J YIN, J H YANG, J KANG et al. Halide perovskite materials for solar cells: a theoretical review. Journal of Materials Chemistry A, 8926(2015).

[15] B CONINGS, J DRIJKONINGEN, N GAUQUELIN et al. Intrinsic thermal instability of methylammonium lead trihalide perovskite. Advanced Energy Materials, 1500477(2015).

[16] H LU, Y LIU, P AHLAWAT et al. Vapor-assisted deposition of highly efficient, stable black-phase FAPbI₃ perovskite solar cells. Science, 74(2020).

[17] G E EPERON, S D STRANKS, C MENELAOU et al. Formamidinium lead trihalide: a broadly tunable perovskite for efficient planar heterojunction solar cells. Energy & Environmental Science, 982(2014).

[18] B YU, J SHI, S TAN et al. Efficient (>20%) and stable all- inorganic cesium lead triiodide solar cell enabled by thiocyanate molten salts. Angewandte Chemie International Edition, 13436(2021).

[19] N PELLET, P GAO, G GREGORI et al. Mixed-organic-cation perovskite photovoltaics for enhanced solar-light harvesting. Angewandte Chemie International Edition, 3151(2014).

[20] J JASON, GABKYUNG, R M CHUA et al. Efficient perovskite solar cells via improved carrier management. Nature, 587(2021).

[21] M SALIBA, T MATSUI, J Y SEO et al. Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency. Energy & Environmental Science, 1989(2016).

[22] R SUSANA, I J FRANCISCO, B DIEGO et al. Insight into the role of guanidinium and cesium in triple cation lead halide perovskites. Solar RRL, 2100586(2021).

[23] Z WANG, R LI, X HUO. Effcient and stable TiO₂ nanorod array structured perovskite solar cells in air: co-passivation and synergistic mechanism. Ceramics International, 17950(2022).

[24] J W LEE, D J SEOL, A N CHO et al. High-efficiency perovskite solar cells based on the black polymorph of HC(NH₂)₂PbI₃. Advanced Materials, 4991(2014).

[25] T M KOH, K FU, Y FANG et al. Formamidinium-containing metal-halide: an alternative material for near-IR absorption perovskite solar cells. Journal of Physical Chemistry C, 16458(2014).

[26] M GUO, M ZHANG, R LI et al. Nb₂O₅ coating on the performance of flexible dye sensitized solar cell based on TiO₂ nanoarrays/upconversion luminescence composite structure. Journal of Inorganic Materials, 590(2019).

[27] A HAGFELDT, M GRAETZEL. Light-induced redox reactions in nanocrystalline systems. Chemical Reviews, 49(1995).

[28] D BI, C YI, J LUO et al. Polymer-templated nucleation and crystal growth of perovskite films for solar cells with efficiency greater than 21%. Nature Energy, 16142(2016).