Zero-dimensional methylammonium iodo bismuthate solar cells and synergistic interactions with silicon nanocrystals

Calum McDonald, Chengsheng Ni, Vladimir Svrcek, Mickael Lozac'h, Paul A. Connor, Paul Maguire, John T. S. Irvine, D Mariotti

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Organometal trihalide perovskite solar cells have attracted monumental attention in recent years. Today's best devices, based on a three-dimensional perovskite structure of corner-sharing PbI6 octahedra, are unstable, toxic, and display hysteresis in current-voltage measurements. We present zero-dimensional organic-inorganic hybrid solar cells based on methylammonium iodo bismuthate (CH3NH3)3(Bi2I9) (MABI) comprising a Bi2I9 bioctahedra and observe very low hysteresis for scan rates in the broad range of 150 mV s-1 to 1500 mV s-1 without any interfacial layer engineering. We confirm good stability for devices produced and stored in open air without humidity control. The MABI structure can also accommodate silicon nanocrystals, leading to an enhancement in the short-circuit current. Through the material MABI, we demonstrate a promising alternative to the organometal trihalide perovskite class and present a model material for future composite third-generation photovoltaics.
LanguageEnglish
Pages18759-18771
JournalNanoscale
Volume47
Early online date23 Nov 2017
DOIs
Publication statusPublished - 21 Dec 2017

Fingerprint

Beam plasma interactions
Silicon
Perovskite
Nanocrystals
Hysteresis
Solar cells
Humidity control
Voltage measurement
Electric current measurement
Short circuit currents
Poisons
Display devices
Composite materials
Air
methylamine
methyl 4-azidobenzimidate
perovskite
Perovskite solar cells

Keywords

  • perovskite
  • solar cell
  • nanocrystals

Cite this

McDonald, Calum ; Ni, Chengsheng ; Svrcek, Vladimir ; Lozac'h, Mickael ; Connor, Paul A. ; Maguire, Paul ; Irvine, John T. S. ; Mariotti, D. / Zero-dimensional methylammonium iodo bismuthate solar cells and synergistic interactions with silicon nanocrystals. In: Nanoscale. 2017 ; Vol. 47. pp. 18759-18771.
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Zero-dimensional methylammonium iodo bismuthate solar cells and synergistic interactions with silicon nanocrystals. / McDonald, Calum; Ni, Chengsheng; Svrcek, Vladimir; Lozac'h, Mickael; Connor, Paul A.; Maguire, Paul; Irvine, John T. S.; Mariotti, D.

In: Nanoscale, Vol. 47, 21.12.2017, p. 18759-18771.

Research output: Contribution to journalArticle

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T1 - Zero-dimensional methylammonium iodo bismuthate solar cells and synergistic interactions with silicon nanocrystals

AU - McDonald, Calum

AU - Ni, Chengsheng

AU - Svrcek, Vladimir

AU - Lozac'h, Mickael

AU - Connor, Paul A.

AU - Maguire, Paul

AU - Irvine, John T. S.

AU - Mariotti, D

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