Two-Dimensional Dion-Jacobson Hybrid Lead Iodide Perovskites with Aromatic Diammonium Cations

Xiaotong Li, Weijun Ke, Boubacar Traoré, Peijun Guo, Ido Hadar, Mikaël Kepenekian, Jacky Even, Claudine Katan, Constantinos C. Stoumpos, Richard D Schaller, Mercouri G Kanatzidis

Research output: Contribution to journalArticle

Abstract

Two-dimensional (2D) halide perovskites have extraordinary optoelectronic properties and structural tunability. Among them, the Dion-Jacobson phases with the inorganic layers stacking exactly on top of each other are less explored. Herein, we present the new series of 2D Dion-Jacobson halide perovskites, which adopt the general formula of A′An-1PbnI3n+1 (A′ = 4-(aminomethyl)pyridinium (4AMPY), A = methylammonium (MA), n = 1-4). By modifying the position of the CH2NH3 + group from 4AMPY to 3AMPY (3AMPY = 3-(aminomethyl)pyridinium), the stacking of the inorganic layers changes from exactly eclipsed to slightly offset. The perovskite octahedra tilts are also different between the two series, with the 3AMPY series exhibiting smaller bandgaps than the 4AMPY series. Compared to the aliphatic cation of the same size (AMP = (aminomethyl)piperidinium), the aromatic spacers increase the rigidity of the cation, reduce the interlayer spacing, and decrease the dielectric mismatch between inorganic layer and the organic spacer, showing the indirect but powerful influence of the organic cations on the structure and consequently on the optical properties of the perovskite materials. All A′An-1PbnI3n+1 compounds exhibit strong photoluminescence (PL) at room temperature. Preliminary solar cell devices based on the n = 4 perovskites as absorbers of both series exhibit promising performances, with a champion power conversion efficiency (PCE) of 9.20% for (3AMPY)(MA)3Pb4I13-based devices, which is higher than the (4AMPY)(MA)3Pb4I13 and the corresponding aliphatic analogue (3AMP)(MA)3Pb4I13-based ones.

Original languageEnglish
Pages (from-to)12880-12890
Number of pages11
JournalJournal of the American Chemical Society
Volume141
Issue number32
DOIs
Publication statusPublished - Aug 14 2019

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Iodides
Cations
Lead
Positive ions
Perovskite
Rigidity
Equipment and Supplies
Optoelectronic devices
Conversion efficiency
Solar cells
Photoluminescence
Energy gap
Adenosine Monophosphate
Optical properties
Temperature
methylamine
perovskite

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Two-Dimensional Dion-Jacobson Hybrid Lead Iodide Perovskites with Aromatic Diammonium Cations. / Li, Xiaotong; Ke, Weijun; Traoré, Boubacar; Guo, Peijun; Hadar, Ido; Kepenekian, Mikaël; Even, Jacky; Katan, Claudine; Stoumpos, Constantinos C.; Schaller, Richard D; Kanatzidis, Mercouri G.

In: Journal of the American Chemical Society, Vol. 141, No. 32, 14.08.2019, p. 12880-12890.

Research output: Contribution to journalArticle

Li, X, Ke, W, Traoré, B, Guo, P, Hadar, I, Kepenekian, M, Even, J, Katan, C, Stoumpos, CC, Schaller, RD & Kanatzidis, MG 2019, 'Two-Dimensional Dion-Jacobson Hybrid Lead Iodide Perovskites with Aromatic Diammonium Cations', Journal of the American Chemical Society, vol. 141, no. 32, pp. 12880-12890. https://doi.org/10.1021/jacs.9b06398
Li, Xiaotong ; Ke, Weijun ; Traoré, Boubacar ; Guo, Peijun ; Hadar, Ido ; Kepenekian, Mikaël ; Even, Jacky ; Katan, Claudine ; Stoumpos, Constantinos C. ; Schaller, Richard D ; Kanatzidis, Mercouri G. / Two-Dimensional Dion-Jacobson Hybrid Lead Iodide Perovskites with Aromatic Diammonium Cations. In: Journal of the American Chemical Society. 2019 ; Vol. 141, No. 32. pp. 12880-12890.
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AU - Hadar, Ido

AU - Kepenekian, Mikaël

AU - Even, Jacky

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