Perovskite solar cells consisting of PTAA modified with monomolecular layer and application to all-perovskite tandem solar cells with efficiency over 25%

Huan Bi; Yoshihiro Fujiwara; Gaurav Kapil; Daiva Tavgeniene; Zheng Zhang; Liang Wang; Chao Ding; Shahrir Razey Sahamir; Ajay Kumar Baranwal; Yoshitaka Sanehira; Kitamura Takeshi; Guozheng Shi; Takeru Bessho; Hiroshi Segawa; Saulius Grigalevicius; Qing Shen; Shuzi Hayase

doi:10.1002/adfm.202300089

Perovskite solar cells consisting of PTAA modified with monomolecular layer and application to all-perovskite tandem solar cells with efficiency over 25%

Huan Bi, Yoshihiro Fujiwara, Gaurav Kapil, Daiva Tavgeniene, Zheng Zhang, Liang Wang, Chao Ding, Shahrir Razey Sahamir, Ajay Kumar Baranwal, Yoshitaka Sanehira, Kitamura Takeshi, Guozheng Shi, Takeru Bessho, Hiroshi Segawa, Saulius Grigalevicius, Qing Shen, Shuzi Hayase

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Abstract

This study is on the enhancement of the efficiency of wide bandgap (FA_0.8Cs_0.2PbI_1.8Br_1.2) perovskite solar cells (PSCs) used as the top layer of the perovskite/perovskite tandem solar cell. Poly[bis(4-phenyl) (2,4,6-trimethylphenyl) amine] (PTAA) and the monomolecular layer called SAM layer are effective hole collection layers for APbI3 PSCs. However, these hole transport layers (HTL) do not give high efficiencies for the wide bandgap FA_0.8Cs_0.2PbI_1.8Br_1.2 PSCs. It is found that the surface-modified PTAA by monomolecular layer (MNL) improves the efficiency of PSCs. The improved efficiency is explained by the improved FA_0.8Cs_0.2PbI_1.8Br_1.2 film quality, decreased film distortion (low lattice disordering) and low density of the charge recombination site, and improves carrier collection by the surface modified PTAA layer. In addition, the relationship between the length of the alkyl group linking the anchor group and the carbazole group is also discussed. Finally, the wide bandgap lead PSCs (E_g = 1.77 eV) fabricated on the PTAA/monomolecular bilayer give a higher power conversion efficiency of 16.57%. Meanwhile, all-perovskite tandem solar cells with over 25% efficiency are reported by using the PTAA/monomolecular substrate.

Original language	English
Article number	2300089
Pages (from-to)	1-9
Number of pages	9
Journal	Advanced Functional Materials
Volume	33
Issue number	32
DOIs	https://doi.org/10.1002/adfm.202300089
Publication status	Published - 8 Aug 2023
Externally published	Yes

Keywords

all perovskite tandem solar cells
inverse structures
monomolecular layers
nonradiative recombination
wide bandgap perovskite solar cells

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10.1002/adfm.202300089

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Bi, H., Fujiwara, Y., Kapil, G., Tavgeniene, D., Zhang, Z., Wang, L., Ding, C., Sahamir, S. R., Baranwal, A. K., Sanehira, Y., Takeshi, K., Shi, G., Bessho, T., Segawa, H., Grigalevicius, S., Shen, Q., & Hayase, S. (2023). Perovskite solar cells consisting of PTAA modified with monomolecular layer and application to all-perovskite tandem solar cells with efficiency over 25%. Advanced Functional Materials, 33(32), 1-9. Article 2300089. https://doi.org/10.1002/adfm.202300089

@article{68a02e04ef1443d1953306752babff3c,

title = "Perovskite solar cells consisting of PTAA modified with monomolecular layer and application to all-perovskite tandem solar cells with efficiency over 25\%",

abstract = "This study is on the enhancement of the efficiency of wide bandgap (FA0.8Cs0.2PbI1.8Br1.2) perovskite solar cells (PSCs) used as the top layer of the perovskite/perovskite tandem solar cell. Poly[bis(4-phenyl) (2,4,6-trimethylphenyl) amine] (PTAA) and the monomolecular layer called SAM layer are effective hole collection layers for APbI3 PSCs. However, these hole transport layers (HTL) do not give high efficiencies for the wide bandgap FA0.8Cs0.2PbI1.8Br1.2 PSCs. It is found that the surface-modified PTAA by monomolecular layer (MNL) improves the efficiency of PSCs. The improved efficiency is explained by the improved FA0.8Cs0.2PbI1.8Br1.2 film quality, decreased film distortion (low lattice disordering) and low density of the charge recombination site, and improves carrier collection by the surface modified PTAA layer. In addition, the relationship between the length of the alkyl group linking the anchor group and the carbazole group is also discussed. Finally, the wide bandgap lead PSCs (Eg = 1.77 eV) fabricated on the PTAA/monomolecular bilayer give a higher power conversion efficiency of 16.57\%. Meanwhile, all-perovskite tandem solar cells with over 25\% efficiency are reported by using the PTAA/monomolecular substrate.",

keywords = "all perovskite tandem solar cells, inverse structures, monomolecular layers, nonradiative recombination, wide bandgap perovskite solar cells",

author = "Huan Bi and Yoshihiro Fujiwara and Gaurav Kapil and Daiva Tavgeniene and Zheng Zhang and Liang Wang and Chao Ding and Sahamir, \{Shahrir Razey\} and Baranwal, \{Ajay Kumar\} and Yoshitaka Sanehira and Kitamura Takeshi and Guozheng Shi and Takeru Bessho and Hiroshi Segawa and Saulius Grigalevicius and Qing Shen and Shuzi Hayase",

year = "2023",

month = aug,

day = "8",

doi = "10.1002/adfm.202300089",

language = "English",

volume = "33",

pages = "1--9",

journal = "Advanced Functional Materials",

issn = "1616-301X",

publisher = "Wiley-VCH, Wiley",

number = "32",

}

Bi, H, Fujiwara, Y, Kapil, G, Tavgeniene, D, Zhang, Z, Wang, L, Ding, C, Sahamir, SR, Baranwal, AK, Sanehira, Y, Takeshi, K, Shi, G, Bessho, T, Segawa, H, Grigalevicius, S, Shen, Q & Hayase, S 2023, 'Perovskite solar cells consisting of PTAA modified with monomolecular layer and application to all-perovskite tandem solar cells with efficiency over 25%', Advanced Functional Materials, vol. 33, no. 32, 2300089, pp. 1-9. https://doi.org/10.1002/adfm.202300089

TY - JOUR

T1 - Perovskite solar cells consisting of PTAA modified with monomolecular layer and application to all-perovskite tandem solar cells with efficiency over 25%

AU - Bi, Huan

AU - Fujiwara, Yoshihiro

AU - Kapil, Gaurav

AU - Tavgeniene, Daiva

AU - Zhang, Zheng

AU - Wang, Liang

AU - Ding, Chao

AU - Sahamir, Shahrir Razey

AU - Baranwal, Ajay Kumar

AU - Sanehira, Yoshitaka

AU - Takeshi, Kitamura

AU - Shi, Guozheng

AU - Bessho, Takeru

AU - Segawa, Hiroshi

AU - Grigalevicius, Saulius

AU - Shen, Qing

AU - Hayase, Shuzi

PY - 2023/8/8

Y1 - 2023/8/8

N2 - This study is on the enhancement of the efficiency of wide bandgap (FA0.8Cs0.2PbI1.8Br1.2) perovskite solar cells (PSCs) used as the top layer of the perovskite/perovskite tandem solar cell. Poly[bis(4-phenyl) (2,4,6-trimethylphenyl) amine] (PTAA) and the monomolecular layer called SAM layer are effective hole collection layers for APbI3 PSCs. However, these hole transport layers (HTL) do not give high efficiencies for the wide bandgap FA0.8Cs0.2PbI1.8Br1.2 PSCs. It is found that the surface-modified PTAA by monomolecular layer (MNL) improves the efficiency of PSCs. The improved efficiency is explained by the improved FA0.8Cs0.2PbI1.8Br1.2 film quality, decreased film distortion (low lattice disordering) and low density of the charge recombination site, and improves carrier collection by the surface modified PTAA layer. In addition, the relationship between the length of the alkyl group linking the anchor group and the carbazole group is also discussed. Finally, the wide bandgap lead PSCs (Eg = 1.77 eV) fabricated on the PTAA/monomolecular bilayer give a higher power conversion efficiency of 16.57%. Meanwhile, all-perovskite tandem solar cells with over 25% efficiency are reported by using the PTAA/monomolecular substrate.

AB - This study is on the enhancement of the efficiency of wide bandgap (FA0.8Cs0.2PbI1.8Br1.2) perovskite solar cells (PSCs) used as the top layer of the perovskite/perovskite tandem solar cell. Poly[bis(4-phenyl) (2,4,6-trimethylphenyl) amine] (PTAA) and the monomolecular layer called SAM layer are effective hole collection layers for APbI3 PSCs. However, these hole transport layers (HTL) do not give high efficiencies for the wide bandgap FA0.8Cs0.2PbI1.8Br1.2 PSCs. It is found that the surface-modified PTAA by monomolecular layer (MNL) improves the efficiency of PSCs. The improved efficiency is explained by the improved FA0.8Cs0.2PbI1.8Br1.2 film quality, decreased film distortion (low lattice disordering) and low density of the charge recombination site, and improves carrier collection by the surface modified PTAA layer. In addition, the relationship between the length of the alkyl group linking the anchor group and the carbazole group is also discussed. Finally, the wide bandgap lead PSCs (Eg = 1.77 eV) fabricated on the PTAA/monomolecular bilayer give a higher power conversion efficiency of 16.57%. Meanwhile, all-perovskite tandem solar cells with over 25% efficiency are reported by using the PTAA/monomolecular substrate.

KW - all perovskite tandem solar cells

KW - inverse structures

KW - monomolecular layers

KW - nonradiative recombination

KW - wide bandgap perovskite solar cells

UR - https://www.scopus.com/pages/publications/85153516287

U2 - 10.1002/adfm.202300089

DO - 10.1002/adfm.202300089

M3 - Article

SN - 1616-301X

VL - 33

SP - 1

EP - 9

JO - Advanced Functional Materials

JF - Advanced Functional Materials

IS - 32

M1 - 2300089

ER -

Perovskite solar cells consisting of PTAA modified with monomolecular layer and application to all-perovskite tandem solar cells with efficiency over 25%

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Keywords

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