Benefits of very thin PCBM and LiF layers for solution-processed p-i-n perovskite solar cells

Jangwon Seo, Sangman Park, Young Chan Kim, Nam Joong Jeon, Jun Hong Noh, Sung Cheol Yoon, Sang Il Seok

Research output: Contribution to journalArticle

456 Citations (Scopus)

Abstract

Highly efficient p-i-n perovskite solar cells employing a flat and thick CH 3 NH 3 PbI 3 film and a thin PCBM film are fabricated by the solution-process at low temperature. Through attainment of optimized PCBM thickness and insertion of the LiF interlayer, the unit cell shows 14.1% of overall power conversion efficiency (PCE) with a J sc of 20.7 mA cm -2 , a V oc of 0.866 V, and a FF of 78.3% under AM 1.5G 100 mW cm -2 conditions, while a larger area 10 cell serially connected module (10 × 10 cm 2 ) shows an 8.7% PCE. These PCE values are the highest reported to date for the planar perovskite-PCBM solar cells. This journal is

Original languageEnglish
Pages (from-to)2642-2646
Number of pages5
JournalEnergy and Environmental Science
Volume7
Issue number8
DOIs
Publication statusPublished - 2014 Jan 1
Externally publishedYes

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perovskite
Conversion efficiency
Thin films
Perovskite solar cells
solar cell
Temperature

ASJC Scopus subject areas

  • Environmental Chemistry
  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Pollution

Cite this

Benefits of very thin PCBM and LiF layers for solution-processed p-i-n perovskite solar cells. / Seo, Jangwon; Park, Sangman; Chan Kim, Young; Jeon, Nam Joong; Noh, Jun Hong; Yoon, Sung Cheol; Seok, Sang Il.

In: Energy and Environmental Science, Vol. 7, No. 8, 01.01.2014, p. 2642-2646.

Research output: Contribution to journalArticle

Seo, Jangwon ; Park, Sangman ; Chan Kim, Young ; Jeon, Nam Joong ; Noh, Jun Hong ; Yoon, Sung Cheol ; Seok, Sang Il. / Benefits of very thin PCBM and LiF layers for solution-processed p-i-n perovskite solar cells. In: Energy and Environmental Science. 2014 ; Vol. 7, No. 8. pp. 2642-2646.
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