All vapor-deposited lead-free doped CsSnBr3 planar solar cells

Dhanashree Moghe, Lili Wang, Christopher J. Traverse, Adam Redoute, Melany Sponseller, Patrick R. Brown, Vladimir Bulović, Richard R. Lunt

Research output: Contribution to journalArticle

  • 15 Citations

Abstract

We demonstrate all thermal vapor-deposited CsSnBr3 perovskite solar cells. The cell architecture consists of a planar CsSnBr3 heterojunction where the perovskite layer is grown by thin sequential deposition of SnBr2 and CsBr allowing for immediate reaction. While other halides of CsSnX3 (e.g. X=Cl, I) are extremely air sensitive and change color within seconds, illumination tests performed on unencapsulated CsSnBr3 devices in ambient air show no change over the span of hours. Further, we evaluate the impact of low-temperature annealing and incorporation of various fluoride passivating dopant profiles via vapor deposition. Our results demonstrate an exciting alternative pathway to develop all-inorganic lead-free perovskite photovoltaics.

LanguageEnglish (US)
Pages469-474
Number of pages6
JournalNano Energy
Volume28
DOIs
StatePublished - Oct 1 2016

Profile

Perovskite
Solar cells
Lead
Vapors
Vapor deposition
Air
Fluorides
Heterojunctions
Lighting
Doping (additives)
Annealing
Color
Temperature
perovskite
Perovskite solar cells
Hot Temperature

Keywords

  • Air-stable
  • Inorganic halide perovskite
  • Lead-free perovskites
  • Tin halide perovskite
  • Vacuum deposition

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)
  • Electrical and Electronic Engineering

Cite this

Moghe, D., Wang, L., Traverse, C. J., Redoute, A., Sponseller, M., Brown, P. R., ... Lunt, R. R. (2016). All vapor-deposited lead-free doped CsSnBr3 planar solar cells. Nano Energy, 28, 469-474. DOI: 10.1016/j.nanoen.2016.09.009

All vapor-deposited lead-free doped CsSnBr3 planar solar cells. / Moghe, Dhanashree; Wang, Lili; Traverse, Christopher J.; Redoute, Adam; Sponseller, Melany; Brown, Patrick R.; Bulović, Vladimir; Lunt, Richard R.

In: Nano Energy, Vol. 28, 01.10.2016, p. 469-474.

Research output: Contribution to journalArticle

Moghe, D, Wang, L, Traverse, CJ, Redoute, A, Sponseller, M, Brown, PR, Bulović, V & Lunt, RR 2016, 'All vapor-deposited lead-free doped CsSnBr3 planar solar cells' Nano Energy, vol. 28, pp. 469-474. DOI: 10.1016/j.nanoen.2016.09.009
Moghe D, Wang L, Traverse CJ, Redoute A, Sponseller M, Brown PR et al. All vapor-deposited lead-free doped CsSnBr3 planar solar cells. Nano Energy. 2016 Oct 1;28:469-474. Available from, DOI: 10.1016/j.nanoen.2016.09.009
Moghe, Dhanashree ; Wang, Lili ; Traverse, Christopher J. ; Redoute, Adam ; Sponseller, Melany ; Brown, Patrick R. ; Bulović, Vladimir ; Lunt, Richard R./ All vapor-deposited lead-free doped CsSnBr3 planar solar cells. In: Nano Energy. 2016 ; Vol. 28. pp. 469-474
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