Fabrication of metal-oxide-free CH 3 NH 3 PbI 3 perovskite solar cells processed at low temperature

Seungchan Ryu, Jangwon Seo, Seong Sik Shin, Young Chan Kim, Nam Joong Jeon, Jun Hong Noh, Sang Il Seok

Research output: Contribution to journalArticle

119 Citations (Scopus)

Abstract

Efficient metal-oxide-free perovskite solar cells were successfully developed by employing the N-I-P architecture. The modified solvent engineering process employing a diethylether drip as an orthogonal solvent enabled fabrication of a multi-layered device comprising FTO/PEI/PCBM/MAPbI 3 /PTAA/Au at low temperature (≤100 °C). Optimization of the thickness of the phenyl-C 61 -butyric acid methyl ester (PCBM) layer in the planar device yielded an overall power conversion efficiency (PCE) of 15.3% with a large hysteresis but a steady-state efficiency of 13.9% under AM 1.5G 100 mW cm -2 illumination. The use of the low-temperature processed dense-TiO 2 layer in conjunction with the PCBM layer gave rise to performance comparable to that of the single electron transport layer (ETL) device and enabled fabrication of an efficient, flexible perovskite solar cell with a PCE of 11.1%.

Original languageEnglish
Pages (from-to)3271-3275
Number of pages5
JournalJournal of Materials Chemistry A
Volume3
Issue number7
DOIs
Publication statusPublished - 2015 Feb 21
Externally publishedYes

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Butyric acid
Butyric Acid
Oxides
Esters
Metals
Fabrication
Conversion efficiency
Polyetherimides
Temperature
Hysteresis
Lighting
Perovskite solar cells

ASJC Scopus subject areas

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

Cite this

Fabrication of metal-oxide-free CH 3 NH 3 PbI 3 perovskite solar cells processed at low temperature . / Ryu, Seungchan; Seo, Jangwon; Shin, Seong Sik; Kim, Young Chan; Jeon, Nam Joong; Noh, Jun Hong; Seok, Sang Il.

In: Journal of Materials Chemistry A, Vol. 3, No. 7, 21.02.2015, p. 3271-3275.

Research output: Contribution to journalArticle

Ryu, Seungchan ; Seo, Jangwon ; Shin, Seong Sik ; Kim, Young Chan ; Jeon, Nam Joong ; Noh, Jun Hong ; Seok, Sang Il. / Fabrication of metal-oxide-free CH 3 NH 3 PbI 3 perovskite solar cells processed at low temperature In: Journal of Materials Chemistry A. 2015 ; Vol. 3, No. 7. pp. 3271-3275.
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