Super-flexible bis(trifluoromethanesulfonyl)-amide doped graphene transparent conductive electrodes for photo-stable perovskite solar cells

Jin Hyuck Heo, Dong Hee Shin, Dae Ho Song, Do Hun Kim, Sang Jin Lee, Sang Hyuk Im

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Super-flexible bis(trifluoromethanesulfonyl)-amide (TFSA)-doped graphene transparent conducting electrode (GR TCE)-based FAPbI 3 - x Br x perovskite solar cells with 18.9% power conversion efficiency (PCE) for a rigid device and 18.3% for a flexible one are demonstrated because the TFSA-doped GR TCE reveals high conductivity and high transmittance. The unencapsulated TFSA-doped GR TCE-based cell maintained ∼95% of its initial PCE under a continuous light soaking of 1 Sun at 60 °C/30% relative humidity for 1000 h. In addition, the TFSA-doped GR TCE-based flexible perovskite solar cells show excellent bending stabilities, maintaining PCEs of ∼85, ∼75, and ∼35% of their original values after 5000 bending cycles, at R = 12, 8, and 4 mm, respectively.

Original languageEnglish
Pages (from-to)8251-8258
Number of pages8
JournalJournal of Materials Chemistry A
Volume6
Issue number18
DOIs
Publication statusPublished - 2018 Jan 1

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Amides
Graphene
Electrodes
Conversion efficiency
Sun
Atmospheric humidity
bis(trifluoromethanesulfonyl)amide
Perovskite solar cells

ASJC Scopus subject areas

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

Cite this

Super-flexible bis(trifluoromethanesulfonyl)-amide doped graphene transparent conductive electrodes for photo-stable perovskite solar cells. / Heo, Jin Hyuck; Shin, Dong Hee; Song, Dae Ho; Kim, Do Hun; Lee, Sang Jin; Im, Sang Hyuk.

In: Journal of Materials Chemistry A, Vol. 6, No. 18, 01.01.2018, p. 8251-8258.

Research output: Contribution to journalArticle

Heo, Jin Hyuck ; Shin, Dong Hee ; Song, Dae Ho ; Kim, Do Hun ; Lee, Sang Jin ; Im, Sang Hyuk. / Super-flexible bis(trifluoromethanesulfonyl)-amide doped graphene transparent conductive electrodes for photo-stable perovskite solar cells. In: Journal of Materials Chemistry A. 2018 ; Vol. 6, No. 18. pp. 8251-8258.
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