Compositional heterogeneity in CsYFA1-yPb(BrxI1-x)3perovskite films and its impact on phase behaviorCitation formats

  • External authors:
  • Rachel E. Beal
  • Aryeh Gold-Parker
  • Julian A. Vigil
  • Eli Wolf
  • Louis Waquier
  • Nicholas J. Weadock
  • Zihan Zhang
  • Laura T. Schelhas
  • Ana Flavia Nogueira
  • Michael D. McGehee
  • Michael F. Toney

Standard

Compositional heterogeneity in CsYFA1-yPb(BrxI1-x)3perovskite films and its impact on phase behavior. / Barrier, Julien; Beal, Rachel E.; Gold-Parker, Aryeh; Vigil, Julian A.; Wolf, Eli; Waquier, Louis; Weadock, Nicholas J.; Zhang, Zihan; Schelhas, Laura T.; Nogueira, Ana Flavia; McGehee, Michael D.; Toney, Michael F.

In: Energy and Environmental Science, Vol. 14, No. 12, 12.2021, p. 6394-6405.

Research output: Contribution to journalArticlepeer-review

Harvard

Barrier, J, Beal, RE, Gold-Parker, A, Vigil, JA, Wolf, E, Waquier, L, Weadock, NJ, Zhang, Z, Schelhas, LT, Nogueira, AF, McGehee, MD & Toney, MF 2021, 'Compositional heterogeneity in CsYFA1-yPb(BrxI1-x)3perovskite films and its impact on phase behavior', Energy and Environmental Science, vol. 14, no. 12, pp. 6394-6405. https://doi.org/10.1039/d1ee01184g

APA

Barrier, J., Beal, R. E., Gold-Parker, A., Vigil, J. A., Wolf, E., Waquier, L., Weadock, N. J., Zhang, Z., Schelhas, L. T., Nogueira, A. F., McGehee, M. D., & Toney, M. F. (2021). Compositional heterogeneity in CsYFA1-yPb(BrxI1-x)3perovskite films and its impact on phase behavior. Energy and Environmental Science, 14(12), 6394-6405. https://doi.org/10.1039/d1ee01184g

Vancouver

Barrier J, Beal RE, Gold-Parker A, Vigil JA, Wolf E, Waquier L et al. Compositional heterogeneity in CsYFA1-yPb(BrxI1-x)3perovskite films and its impact on phase behavior. Energy and Environmental Science. 2021 Dec;14(12):6394-6405. https://doi.org/10.1039/d1ee01184g

Author

Barrier, Julien ; Beal, Rachel E. ; Gold-Parker, Aryeh ; Vigil, Julian A. ; Wolf, Eli ; Waquier, Louis ; Weadock, Nicholas J. ; Zhang, Zihan ; Schelhas, Laura T. ; Nogueira, Ana Flavia ; McGehee, Michael D. ; Toney, Michael F. / Compositional heterogeneity in CsYFA1-yPb(BrxI1-x)3perovskite films and its impact on phase behavior. In: Energy and Environmental Science. 2021 ; Vol. 14, No. 12. pp. 6394-6405.

Bibtex

@article{9ac0c8a7c7b241c783599141452374d9,
title = "Compositional heterogeneity in CsYFA1-yPb(BrxI1-x)3perovskite films and its impact on phase behavior",
abstract = "Hybrid organic inorganic lead halide perovskite semiconductors of the form CsyFA1-yPb(BrxI1-x)3 are promising candidate materials for high-efficiency photovoltaics. Notably, cation and anion substitution can be used to tune the band gaps to optimize performance and improve stability. However, multi-component materials can be prone to compositional and structural inhomogeneity and the extent, length scale and impact of this heterogeneity on lead halide perovskite properties are not well understood. Here we use synchrotron X-ray diffraction to probe the evolution of crystal structure across the tetragonal-to-cubic phase transition for a series of CsyFA1-yPb(BrxI1-x)3 thin films with x = 0.05 to 0.3 and y = 0.17 to 0.40. We find that the transition occurs across a broad temperature range of approximately 40 °C, much larger than for pure compounds such as MAPbI3 and MAPbBr3. We hypothesize that this smearing of the phase transition is due to compositional inhomogeneities that give rise to a distribution of local transition temperatures and we estimate the composition varies by about 10% to 15% with likely greater heterogeneity for the halide anion than the cation. This approach of mapping the transition is a simple and effective method of assessing heterogeneity, enabling evaluation of its impact. This journal is ",
author = "Julien Barrier and Beal, {Rachel E.} and Aryeh Gold-Parker and Vigil, {Julian A.} and Eli Wolf and Louis Waquier and Weadock, {Nicholas J.} and Zihan Zhang and Schelhas, {Laura T.} and Nogueira, {Ana Flavia} and McGehee, {Michael D.} and Toney, {Michael F.}",
note = "Funding Information: This work was supported by the U.S. Department of Energy (DOE) Solar Energy Technology Office (SETO) of the Energy Efficiency and Renewable Energy (EERE) award for the Derisk-ing Halide Perovskite Solar Cells project at the National Renewable Energy Laboratory under Contract No. DE-AC36-08-GO28308 managed and operated by the Alliance for Sustainable Energy, LLC. Use of the Stanford Synchrotron Radiation Light-source, SLAC National Accelerator Laboratory, is supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Contract No. DE-AC02-76SF00515. Part of this work was performed at the Stanford Nano Shared Facilities (SNSF), supported by the National Science Foundation under award ECCS-2026822. J. B. is supported by Fonds ESPCI Paris. J. A. V. acknowledges fellowship support from the Stanford University Office of the Vice Provost of Graduate Education and the National Science Foundation Graduate Research Fellowship Program under Grant No. DGE – 1656518. We thank Charles Musgrave, Joe Berry and Laura Mundt for productive discussions. Publisher Copyright: {\textcopyright} The Royal Society of Chemistry.",
year = "2021",
month = dec,
doi = "10.1039/d1ee01184g",
language = "English",
volume = "14",
pages = "6394--6405",
journal = "Energy & Environmental Science",
issn = "1754-5692",
publisher = "Royal Society of Chemistry",
number = "12",

}

RIS

TY - JOUR

T1 - Compositional heterogeneity in CsYFA1-yPb(BrxI1-x)3perovskite films and its impact on phase behavior

AU - Barrier, Julien

AU - Beal, Rachel E.

AU - Gold-Parker, Aryeh

AU - Vigil, Julian A.

AU - Wolf, Eli

AU - Waquier, Louis

AU - Weadock, Nicholas J.

AU - Zhang, Zihan

AU - Schelhas, Laura T.

AU - Nogueira, Ana Flavia

AU - McGehee, Michael D.

AU - Toney, Michael F.

N1 - Funding Information: This work was supported by the U.S. Department of Energy (DOE) Solar Energy Technology Office (SETO) of the Energy Efficiency and Renewable Energy (EERE) award for the Derisk-ing Halide Perovskite Solar Cells project at the National Renewable Energy Laboratory under Contract No. DE-AC36-08-GO28308 managed and operated by the Alliance for Sustainable Energy, LLC. Use of the Stanford Synchrotron Radiation Light-source, SLAC National Accelerator Laboratory, is supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Contract No. DE-AC02-76SF00515. Part of this work was performed at the Stanford Nano Shared Facilities (SNSF), supported by the National Science Foundation under award ECCS-2026822. J. B. is supported by Fonds ESPCI Paris. J. A. V. acknowledges fellowship support from the Stanford University Office of the Vice Provost of Graduate Education and the National Science Foundation Graduate Research Fellowship Program under Grant No. DGE – 1656518. We thank Charles Musgrave, Joe Berry and Laura Mundt for productive discussions. Publisher Copyright: © The Royal Society of Chemistry.

PY - 2021/12

Y1 - 2021/12

N2 - Hybrid organic inorganic lead halide perovskite semiconductors of the form CsyFA1-yPb(BrxI1-x)3 are promising candidate materials for high-efficiency photovoltaics. Notably, cation and anion substitution can be used to tune the band gaps to optimize performance and improve stability. However, multi-component materials can be prone to compositional and structural inhomogeneity and the extent, length scale and impact of this heterogeneity on lead halide perovskite properties are not well understood. Here we use synchrotron X-ray diffraction to probe the evolution of crystal structure across the tetragonal-to-cubic phase transition for a series of CsyFA1-yPb(BrxI1-x)3 thin films with x = 0.05 to 0.3 and y = 0.17 to 0.40. We find that the transition occurs across a broad temperature range of approximately 40 °C, much larger than for pure compounds such as MAPbI3 and MAPbBr3. We hypothesize that this smearing of the phase transition is due to compositional inhomogeneities that give rise to a distribution of local transition temperatures and we estimate the composition varies by about 10% to 15% with likely greater heterogeneity for the halide anion than the cation. This approach of mapping the transition is a simple and effective method of assessing heterogeneity, enabling evaluation of its impact. This journal is

AB - Hybrid organic inorganic lead halide perovskite semiconductors of the form CsyFA1-yPb(BrxI1-x)3 are promising candidate materials for high-efficiency photovoltaics. Notably, cation and anion substitution can be used to tune the band gaps to optimize performance and improve stability. However, multi-component materials can be prone to compositional and structural inhomogeneity and the extent, length scale and impact of this heterogeneity on lead halide perovskite properties are not well understood. Here we use synchrotron X-ray diffraction to probe the evolution of crystal structure across the tetragonal-to-cubic phase transition for a series of CsyFA1-yPb(BrxI1-x)3 thin films with x = 0.05 to 0.3 and y = 0.17 to 0.40. We find that the transition occurs across a broad temperature range of approximately 40 °C, much larger than for pure compounds such as MAPbI3 and MAPbBr3. We hypothesize that this smearing of the phase transition is due to compositional inhomogeneities that give rise to a distribution of local transition temperatures and we estimate the composition varies by about 10% to 15% with likely greater heterogeneity for the halide anion than the cation. This approach of mapping the transition is a simple and effective method of assessing heterogeneity, enabling evaluation of its impact. This journal is

UR - http://www.scopus.com/inward/record.url?scp=85121254081&partnerID=8YFLogxK

U2 - 10.1039/d1ee01184g

DO - 10.1039/d1ee01184g

M3 - Article

AN - SCOPUS:85121254081

VL - 14

SP - 6394

EP - 6405

JO - Energy & Environmental Science

JF - Energy & Environmental Science

SN - 1754-5692

IS - 12

ER -