Chemical Engineering Journal

, volume 450 , pages 138037

How can a hydrophobic polymer PTAA serve as a hole- transport layer for an inverted tin perovskite solar cell?

Chun-Hsiao Kuan ¹

Guo-Shao Luo ¹

Sudhakar Narra ¹

Surajit Maity ¹

Hirotsugu Hiramatsu ¹

Yi-Wei Tsai ²

Jhih Min Lin ²

Cheng Hung Hou ³

Jing-Jong Shyue ^{3, 4}

Eric W. Diau ¹

Hide authors affiliations Show authors affiliations: 4 affiliations

Department of Applied Chemistry and Institute of Molecular Science, National Yang Ming Chiao Tung University, 1001 Ta-Hsueh Rd., Hsinchu 30010, Taiwan |

National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu science park, Hsinchu 30076, Taiwan |

Research Center for Applied Sciences, Academia Sinica, Taipei 11529, Taiwan |

⁴

Department of Materials Science and Engineering, National Taiwan University, Taipei 10617, Taiwan |

Publication type: Journal Article

Publication date: 2022-12-01

Elsevier

Chemical Engineering Journal

scimago Q1

wos Q1

SJR: 2.696

CiteScore: 20.6

Impact factor: 13.2

ISSN: 13858947, 18733212

DOI: 10.1016/j.cej.2022.138037

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General Chemistry

General Chemical Engineering

Industrial and Manufacturing Engineering

Environmental Chemistry

Abstract

• The first PTAA-based tin perovskite solar cells. • The hydrophobic surface of PTAA is modified to become hydrophilic via PEAI. • Two-step fabrication approach was implemented to retard crystal growth. • The PTAA device attained 8.3 % which outperforms that made of PEDOT:PSS. • The long-term stability is significantly improved due to the hydrophobic nature of PTAA. We deposited a smooth and uniform tin-perovskite layer on a hydrophobic conducting polymer, (bis (4-phenyl) (2,4,6-trimethylphenylamine) (PTAA), on modification of the PTAA surface with an organic ammonium salt, phenylethylammonium iodide (PEAI), according to a two-step approach. We found that π-π interaction between the phenyl rings of PTAA and PEAI plays an important role to modify the hydrophobicity of the PTAA surface and to passivate the crystal surface so as to form a tin-perovskite film of high quality. The FASnI 3 device with PTAA serving as a hole-transport layer (HTL) attained PCE 8.3 % with great stability, becoming the first example reported for a PTAA-based tin-perovskite solar cell. Our approach is applicable to other prospective HTL materials to match the energy levels between perovskite and HTL so as to enhance further the performance of the device.

Found

1 citation

Ponomarenko Sergey

🥼 🤝

DSc in Chemistry, associate member of the Russian Academy of Sciences

261 publications, 6 113 citations, 64 reviews

h-index: 41

Lomonosov Moscow State University

Enikolopov Institute of Synthetic Polymeric Materials of the Russian Academy of Sciences

1 citation

Luponosov Yuriy

🥼 🤝

DSc in Chemistry

113 publications, 2 531 citations, 13 reviews

h-index: 27

Enikolopov Institute of Synthetic Polymeric Materials of the Russian Academy of Sciences

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Kuan C. et al. How can a hydrophobic polymer PTAA serve as a hole- transport layer for an inverted tin perovskite solar cell? // Chemical Engineering Journal. 2022. Vol. 450. p. 138037.

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Kuan C., Luo G., Narra S., Maity S., Hiramatsu H., Tsai Y., Lin J. M., Hou C. H., Shyue J., Diau E. W. How can a hydrophobic polymer PTAA serve as a hole- transport layer for an inverted tin perovskite solar cell? // Chemical Engineering Journal. 2022. Vol. 450. p. 138037.

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