Perovskite-Inspired Photovoltaic Materials: Toward Best Practices in Materials Characterization and Calculations

Robert L.Z. Hoye, Philip Schulz, Laura T. Schelhas, Aaron M. Holder, Kevin H. Stone, John D. Perkins, Derek Vigil-Fowler, Sebastian Siol, David O. Scanlon, Andriy Zakutayev, Aron Walsh, Ian C. Smith, Brent C. Melot, Rachel C. Kurchin, Yiping Wang, Jian Shi, Francisco C. Marques, Joseph J. Berry, William Tumas, Stephan LanyVladan Stevanović, Michael F. Toney, Tonio Buonassisi

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Recently, there has been an explosive growth in research based on hybrid lead-halide perovskites for photovoltaics owing to rapid improvements in efficiency. The advent of these materials for solar applications has led to widespread interest in understanding the key enabling properties of these materials. This has resulted in renewed interest in related compounds and a search for materials that may replicate the defect-tolerant properties and long lifetimes of the hybrid lead-halide perovskites. Given the rapid pace of development of the field, the rises in efficiencies of these systems have outpaced the more basic understanding of these materials. Measuring or calculating the basic properties, such as crystal/electronic structure and composition, can be challenging because some of these materials have anisotropic structures, and/or are composed of both heavy metal cations and volatile, mobile, light elements. Some consequences are beam damage during characterization, composition change under vacuum, or compound effects, such as the alteration of the electronic structure through the influence of the substrate. These effects make it challenging to understand the basic properties integral to optoelectronic operation. Compounding these difficulties is the rapid pace with which the field progresses. This has created an ongoing need to continually evaluate best practices with respect to characterization and calculations, as well as to identify inconsistencies in reported values to determine if those inconsistencies are rooted in characterization methodology or materials synthesis. This article describes the difficulties in characterizing hybrid lead-halide perovskites and new materials and how these challenges may be overcome. The topic was discussed at a seminar at the 2015 Materials Research Society Fall Meeting & Exhibit. This article highlights the lessons learned from the seminar and the insights of some of the attendees, with reference to both recent literature and controlled experiments to illustrate the challenges discussed. The focus in this article is on crystallography, composition measurements, photoemission spectroscopy, and calculations on perovskites and new, related absorbers. We suggest how the reporting of the important artifacts could be streamlined between groups to ensure reproducibility as the field progresses.

Original languageEnglish
Pages (from-to)1964-1988
Number of pages25
JournalChemistry of Materials
Volume29
Issue number5
DOIs
Publication statusPublished - Mar 14 2017

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Perovskite
Lead
Technical presentations
Electronic structure
Chemical analysis
Crystallography
perovskite
Photoelectron spectroscopy
Heavy Metals
Optoelectronic devices
Heavy metals
Cations
Crystal structure
Positive ions
Vacuum
Defects
Substrates
Experiments

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

Cite this

Hoye, R. L. Z., Schulz, P., Schelhas, L. T., Holder, A. M., Stone, K. H., Perkins, J. D., ... Buonassisi, T. (2017). Perovskite-Inspired Photovoltaic Materials: Toward Best Practices in Materials Characterization and Calculations. Chemistry of Materials, 29(5), 1964-1988. https://doi.org/10.1021/acs.chemmater.6b03852

Perovskite-Inspired Photovoltaic Materials : Toward Best Practices in Materials Characterization and Calculations. / Hoye, Robert L.Z.; Schulz, Philip; Schelhas, Laura T.; Holder, Aaron M.; Stone, Kevin H.; Perkins, John D.; Vigil-Fowler, Derek; Siol, Sebastian; Scanlon, David O.; Zakutayev, Andriy; Walsh, Aron; Smith, Ian C.; Melot, Brent C.; Kurchin, Rachel C.; Wang, Yiping; Shi, Jian; Marques, Francisco C.; Berry, Joseph J.; Tumas, William; Lany, Stephan; Stevanović, Vladan; Toney, Michael F.; Buonassisi, Tonio.

In: Chemistry of Materials, Vol. 29, No. 5, 14.03.2017, p. 1964-1988.

Research output: Contribution to journalArticle

Hoye, RLZ, Schulz, P, Schelhas, LT, Holder, AM, Stone, KH, Perkins, JD, Vigil-Fowler, D, Siol, S, Scanlon, DO, Zakutayev, A, Walsh, A, Smith, IC, Melot, BC, Kurchin, RC, Wang, Y, Shi, J, Marques, FC, Berry, JJ, Tumas, W, Lany, S, Stevanović, V, Toney, MF & Buonassisi, T 2017, 'Perovskite-Inspired Photovoltaic Materials: Toward Best Practices in Materials Characterization and Calculations', Chemistry of Materials, vol. 29, no. 5, pp. 1964-1988. https://doi.org/10.1021/acs.chemmater.6b03852
Hoye, Robert L.Z. ; Schulz, Philip ; Schelhas, Laura T. ; Holder, Aaron M. ; Stone, Kevin H. ; Perkins, John D. ; Vigil-Fowler, Derek ; Siol, Sebastian ; Scanlon, David O. ; Zakutayev, Andriy ; Walsh, Aron ; Smith, Ian C. ; Melot, Brent C. ; Kurchin, Rachel C. ; Wang, Yiping ; Shi, Jian ; Marques, Francisco C. ; Berry, Joseph J. ; Tumas, William ; Lany, Stephan ; Stevanović, Vladan ; Toney, Michael F. ; Buonassisi, Tonio. / Perovskite-Inspired Photovoltaic Materials : Toward Best Practices in Materials Characterization and Calculations. In: Chemistry of Materials. 2017 ; Vol. 29, No. 5. pp. 1964-1988.
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