Planar CH3NH3PbBr3 hybrid solar cells with 10.4% power conversion efficiency, fabricated by controlled crystallization in the spin-coating process

Jin Hyuck Heo, Dae Ho Song, Sang Hyuk Im

Research output: Contribution to journalArticle

315 Citations (Scopus)

Abstract

A power conversion efficiency of 10.4% is demonstrated in planar CH3NH3PbBr3 hybrid solar cells without hysteresis of the J-V curve, by way of controlled crystallization in the spin-coating process. The high efficiency is attributed to the formation of a dense CH3NH3PbBr3 thin film by the introduction of HBr solution because the HBr increases the solubility of the CH3NH3PbBr3 and forms a thinner CH3NH3PbBr3 layer with full surface coverage. (Graph Presented).

Original languageEnglish
Pages (from-to)8179-8183
Number of pages5
JournalAdvanced Materials
Volume26
Issue number48
DOIs
Publication statusPublished - 2014 Oct 27
Externally publishedYes

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Spin coating
Crystallization
Conversion efficiency
Hysteresis
Solar cells
Solubility
Thin films

Keywords

  • Crystallization
  • Hybrid solar cells
  • Methylammoniumlead tribromide
  • Perovskites
  • Solubility

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Planar CH3NH3PbBr3 hybrid solar cells with 10.4% power conversion efficiency, fabricated by controlled crystallization in the spin-coating process. / Heo, Jin Hyuck; Song, Dae Ho; Im, Sang Hyuk.

In: Advanced Materials, Vol. 26, No. 48, 27.10.2014, p. 8179-8183.

Research output: Contribution to journalArticle

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AB - A power conversion efficiency of 10.4% is demonstrated in planar CH3NH3PbBr3 hybrid solar cells without hysteresis of the J-V curve, by way of controlled crystallization in the spin-coating process. The high efficiency is attributed to the formation of a dense CH3NH3PbBr3 thin film by the introduction of HBr solution because the HBr increases the solubility of the CH3NH3PbBr3 and forms a thinner CH3NH3PbBr3 layer with full surface coverage. (Graph Presented).

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