Highly flexible, high-performance perovskite solar cells with adhesion promoted AuCl 3 -doped graphene electrodes

Jin Hyuck Heo, Dong Hee Shin, Min Hyeok Jang, Myung Lae Lee, Man Gu Kang, Sang Hyuk Im

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Super flexible TCO-free FAPbI 3-x Br x planar type inverted perovskite solar cells with a 17.9% power conversion efficiency under 1 sun conditions were demonstrated by introducing an APTES (3-aminopropyl triethoxysilane) adhesion promoter between a PET flexible substrate and a AuCl 3 -doped single-layer graphene transparent electrode (TCE). Due to the formation of covalent bonds by the APTES inter-layer, the AuCl 3 -GR/APTES/PET substrate had excellent flexibility, whereas the AuCl 3 -GR/PET substrate and the ITO/PET substrate had significant degradation of the sheet resistance after a bending test due to the break-off or delamination of AuCl 3 -GR from the PET substrate and the cracking of ITO. Accordingly, the perovskite solar cells constructed on the AuCl 3 -GR/APTES/PET TCE substrate exhibited excellent bending stability and they maintained their PCE at over 90% of the initial value after 100 bending cycles at R ≥ 4 mm.

Original languageEnglish
Pages (from-to)21146-21152
Number of pages7
JournalJournal of Materials Chemistry A
Volume5
Issue number40
DOIs
Publication statusPublished - 2017 Jan 1

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Graphite
Graphene
Adhesion
Electrodes
Substrates
Covalent bonds
Sheet resistance
Bending tests
Delamination
Sun
Conversion efficiency
Perovskite solar cells
Degradation
3-aminopropyl triethoxysilane

ASJC Scopus subject areas

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

Highly flexible, high-performance perovskite solar cells with adhesion promoted AuCl 3 -doped graphene electrodes . / Heo, Jin Hyuck; Shin, Dong Hee; Jang, Min Hyeok; Lee, Myung Lae; Kang, Man Gu; Im, Sang Hyuk.

In: Journal of Materials Chemistry A, Vol. 5, No. 40, 01.01.2017, p. 21146-21152.

Research output: Contribution to journalArticle

Heo, Jin Hyuck ; Shin, Dong Hee ; Jang, Min Hyeok ; Lee, Myung Lae ; Kang, Man Gu ; Im, Sang Hyuk. / Highly flexible, high-performance perovskite solar cells with adhesion promoted AuCl 3 -doped graphene electrodes In: Journal of Materials Chemistry A. 2017 ; Vol. 5, No. 40. pp. 21146-21152.
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AU - Kang, Man Gu

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