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Sn Perovskite Solar Cells with Tin Oxide Nanoparticle Layer as Hole Transport Layer AITranslate

Takeshi Kitamura; Liang Wang; Zheng Zhang; Ajay Kumar Baranwal; Gaurav Kapil; Shahrir Razey Sahamir; Yoshitaka Sanehira; Huan Bi; Tingli Ma; Qing Shen; Shuzi Hayase;
University of Electro-Communication; University of Electro-Communication; University of Electro-Communication; University of Electro-Communication; University of Electro-Communication; University of Electro-Communication; University of Electro-Communication; University of Electro-Communication; Kyushu Institute of Technology; University of Electro-Communication; University of Electro-Communication
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Abstract AITranslate

Tin perovskite solar cells (Sn–PVK-PVs) are a promising alternative to lead perovskite solar cells (Pb–PVK-PVs). Poly (3,4-ethylenedioxythiophene) polystyrene sulphonic acid (PEDOT:PSS) is employed as the hole transport layer (HTL). However, the matter of concern is the damage of the Sn-PVK layer by the acidic properties of the PEDOT:PSS. Therefore, PEDOT:PSS-free Sn–PVK-PV is eagerly awaited. In this paper, the inorganic hole collectors using commercially available SnO2 nanoparticles (Nano SnO2) are reported. It is well-known that Nano SnO2 works as an electron transport layer for Pb–PVK-PVs. However, we found that the Nano SnO2 surface was reduced to SnOx (x < 2) nanoparticles (abbreviated as P-Nano SnOx) when the Nano SnO2 contacted with the Sn-PVK layer, and the resulting P-Nano SnOx works effectively as the HTL of the Sn–PVK-PVs. The efficiency of 9.77% is reported. Furthermore, P-Nano SnOx devices showed higher stability in comparison to PEDOT:PSS devices.

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DOI：https://doi.org/10.1021/acsenergylett.3c01448

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Citation Information:

Tin perovskite solar cells (Sn–PVK-PVs) are a promising alternative to lead perovskite solar cells (Pb–PVK-PVs). Poly (3,4-ethylenedioxythiophene) polystyrene sulphonic acid (PEDOT:PSS) is employed as the hole transport layer (HTL). However, the matter of concern is the damage of the Sn-PVK layer by the acidic properties of the PEDOT:PSS. Therefore, PEDOT:PSS-free Sn–PVK-PV is eagerly awaited. In this paper, the inorganic hole collectors using commercially available SnO2 nanoparticles (Nano SnO2) are reported. It is well-known that Nano SnO2 works as an electron transport layer for Pb–PVK-PVs. However, we found that the Nano SnO2 surface was reduced to SnOx (x < 2) nanoparticles (abbreviated as P-Nano SnOx) when the Nano SnO2 contacted with the Sn-PVK layer, and the resulting P-Nano SnOx works effectively as the HTL of the Sn–PVK-PVs. The efficiency of 9.77% is reported. Furthermore, P-Nano SnOx devices showed higher stability in comparison to PEDOT:PSS devices.

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GB/T 7714-2015 [1] Takeshi Kitamura, Liang Wang, Zheng Zhang, et al. ACS Energy Letters, 2023(8). DOI:10.1021/acsenergylett.3c01448.
MLA [1] Takeshi Kitamura, et al., ACS Energy Letters, no. 8, 2023, https://doi.org/10.1021/acsenergylett.3c01448.
APA [1] Takeshi Kitamura, Liang Wang, Zheng Zhang, Ajay Kumar Baranwal, Gaurav Kapil, Shahrir Razey Sahamir, Yoshitaka Sanehira, Huan Bi, Tingli Ma, Qing Shen, & Shuzi Hayase. (2023). ACS Energy Letters(8). https://doi.org/10.1021/acsenergylett.3c01448
IEEE [1] Takeshi Kitamura, Liang Wang, Zheng Zhang, Ajay Kumar Baranwal, Gaurav Kapil, Shahrir Razey Sahamir, Yoshitaka Sanehira, Huan Bi, Tingli Ma, Qing Shen, and Shuzi Hayase, ACS Energy Letters, no. 8, 2023, doi: 10.1021/acsenergylett.3c01448.