Ascorbic acid-induced porous iodide layer for a high-purity two-step solution-processed tin-lead mixed perovskite photodetector

doi:10.1016/j.jmst.2024.05.043

Abstract

Abstract: Tin (Sn)-lead (Pb) mixed halide perovskites have attracted widespread interest due to their wider response wavelength and lower toxicity than lead halide perovskites. Among the preparation methods, the two-step method more easily controls the crystallization rate and is suitable for preparing large-area perovskite devices. However, the residual low-conductivity iodide layer in the two-step method can affect carrier transport and device stability, and the different crystallization rates of Sn-and Pb-based perovskites may result in poor film quality. Therefore, Sn-Pb mixed perovskites are mainly prepared by a one-step method. Herein, a MAPb_0.5Sn_0.5I₃-based self-powered photodetector without a hole transport layer is fabricated by a two-step method. By adjusting the concentration of the ascorbic acid (AA) additive, the final perovskite film exhibited a pure phase without residues, and the optimal device exhibited a high responsivity (0.276 A W^-1), large specific detectivity (2.38 × 10¹² Jones), and enhanced stability. This enhancement is mainly attributed to the inhibition of Sn²⁺ oxidation, the control of crystal growth, and the sufficient reaction between organic ammonium salts and bottom halides due to the AA-induced pore structure.

Key words: Perovskite, Sn-Pb, Photodetector, Two-step solution method

Liansong Liu, Fengren Cao, Liukang Bian, Meng Wang, Haoxuan Sun, Liang Li. Ascorbic acid-induced porous iodide layer for a high-purity two-step solution-processed tin-lead mixed perovskite photodetector[J]. J. Mater. Sci. Technol., 2025, 210: 227-232.

References

[1] A. Younis, C.H. Lin, X. Guan, S. Shahrokhi, C.Y. Huang, Y. Wang, T. He, S. Singh, L. Hu, J.R.D. Retamal, J.H. He, T. Wu, Adv. Mater. 33 (2021) 2005000.
[2] X. Li, F. Zhang, H. He, J.J. Berry, K. Zhu, T. Xu, Nature 578 (2020) 555-558.
[3] F. Cao, L. Bian, L. Li, Energy Mater. Devices 2 (2024) 9370018.
[4] F.H. Isikgor, S. Zhumagali, L.V.T.Merino, M.D. Bastiani, I. McCulloch, S.D. Wolf, Nat. Rev. Mater. 8 (2022) 89-108.
[5] L. Zhang, L. Mei, K. Wang, Y. Lv, S. Zhang, Y. Lian, X. Liu, Z. Ma, G. Xiao, Q. Liu, S. Zhai, S. Zhang, G. Liu, L. Yuan, B. Guo, Z. Chen, K. Wei, A. Liu, S. Yue, G. Niu, X. Pan, J. Sun, Y. Hua, W.Q. Wu, D. Di, B. Zhao, J. Tian, Z. Wang, Y. Yang, L. Chu, M. Yuan, H. Zeng, H.L. Yip, K. Yan, W. Xu, L. Zhu, W. Zhang, G. Xing, F. Gao, L. Ding, Nano Micro Lett. 15 (2023) 177.
[6] B. Liu, Y. Wang, Y. Wu, B. Dong, H. Song, J. Mater. Sci.Technol. 140 (2023) 33-57.
[7] Y. Li, H. Sun, Z. Li, M. Wang, L. Guo, L. Min, F. Cao, Y. Tan, L. Li, J. Mater. Sci.Technol. 130 (2022) 35-43.
[8] X. Jiang, Z. Zang, Y. Zhou, H. Li, Q. Wei, Z. Ning, Acc. Mater. Res. 2 (2021) 210-219.
[9] F. Hao, C.C. Stoumpos, D.H. Cao, R.P.H. Chang, M.G. Kanatzidis, Nat. Photonics 8 (2014) 489-494.
[10] L. Liu, F. Cao, L. Bian, M. Wang, H. Sun, L. Li, Sci. China Mater. 66 (2023) 4697.
[11] W. Li, J. Chen, H. Lin, S. Zhou, G. Yan, Z. Zhao, C. Zhao, W. Mai, Adv. Opt. Mater. 12 (2023) 2301373.
[12] M. Qin, H. Xue, H. Zhang, H. Hu, K. Liu, Y. Li, Z. Qin, J. Ma, H. Zhu, K. Yan, G. Fang, G. Li, U.S. Jeng, G. Brocks, S. Tao, X. Lu, Adv. Mater. 32 (2020) 2004630.
[13] H. Chen, Y.H. Lou, K.L. Wang, Z.H. Su, C. Dong, J. Chen, Y.R. Shi, X.Y. Gao, Z.K. Wang, Adv. Energy Mater. 11 (2021) 2101538.
[14] T.S. Su, T.E. Fan, H.K. Si, D.A. Le, N. Perumbalathodi, T.C. Wei, Sol. RRL 5 (2021) 2100109.
[15] Z. Wu, E. Bi, C. Li, L. Chen, Z. Song, Y. Yan, Sol. RRL 7 (2022) 2200571.
[16] G. Tong, D.Y. Son, L.K. Ono, Y. Liu, Y. Hu, H. Zhang, A. Jamshaid, L. Qiu, Z. Liu, Y. Qi, Adv. Energy Mater. 11 (2021) 2003721.
[17] B. Chen, P. Wang, R. Li, N. Ren, W. Han, Z. Zhu, J. Wang, S. Wang, B. Shi, J. Liu, P. Liu, Q. Huang, S. Xu, Y. Zhao, X. Zhang, ACS Energy Lett. 7 (2022) 2771-2780.
[18] S. Wang, H. Luo, Z. Gu, R. Zhao, L. Guo, N. Wang, Y. Lou, Q. Xu, S. Peng, Y. Zhang, Y. Song, Adv. Funct. Mater. 33 (2023) 2214834.
[19] Y. Li, X. Sun, Y. Li, F. Deng, S. Li, X. Tao, Sol. RRL 7 (2023) 2201132.
[20] W. Sheng, J. He, J. Yang, Q. Cai, S. Xiao, Y. Zhong, L. Tan, Y. Chen, Adv. Mater. 35 (2023) 2301852.
[21] J. He, W. Sheng, J. Yang, Y. Zhong, Y. Su, L. Tan, Y. Chen, Energy Environ. Sci. 16 (2023) 629-640.
[22] D. Baek, G.Y. Park, J. Cha, H. Na, D.S. Ham, M. Kim, J. Mater. Sci.Technol. 165 (2023) 161-169.
[23] F. Hao, C.C. Stoumpos, P. Guo, N. Zhou, T.J. Marks, R.P. Chang, M.G. Kanatzidis, J. Am. Chem.Soc. 137 (2015) 11445-11452.
[24] B. Li, B. Chang, L. Pan, Z. Li, L. Fu, Z. He, L. Yin, ACS Energy Lett. 5 (2020) 3752-3772.
[25] J. Liu, H. Yao, S. Wang, C. Wu, L. Ding, F. Hao, Adv. Energy Mater. 13 (2023) 2300696.
[26] C. Kamaraki, M.T. Klug, V.J.Y.Lim, N. Zibouche, L.M. Herz, M.S. Islam, C. Case, L.M. Perez, Adv. Energy Mater. 14 (2024) 2302916.
[27] F. Cao, W. Tian, M. Wang, M. Wang, L. Li, InfoMat 2 (2020) 577-584.
[28] X. Xu, C.C. Chueh, Z. Yang, A. Rajagopal, J. Xu, S.B. Jo, A.K.Y. Jen, Nano Energy 34 (2017) 392-398.
[29] Y. Zhang, J. Zhou, X. Ma, J. Dong, J. Wang, D. Han, Z. Zang, M.G. Ju, Q. Zhang, N. Wang, Sol. RRL 7 (2022) 2200997.
[30] L. He, G. Hu, J. Jiang, W. Wei, X. Xue, K. Fan, H. Huang, L. Shen, Adv. Mater. 35 (2023) 2210016.
[31] X. Meng, J. Lin, X. Liu, X. He, Y. Wang, T. Noda, T. Wu, X. Yang, L. Han, Adv. Mater. 31 (2019) 1903721.
[32] K. Xiao, R. Lin, Q. Han, Y. Hou, Z. Qin, H.T. Nguyen, J. Wen, M. Wei, V. Yeddu, M.I. Saidaminov, Y. Gao, X. Luo, Y. Wang, H. Gao, C. Zhang, J. Xu, J. Zhu, E.H. Sargent, H. Tan, Nat. Energy 5 (2020) 870-880.