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Thermal engineering of FAPbI3 perovskite material via radiative thermal annealing and in situ XRD

Author

Listed:
  • Vanessa L. Pool

    (SLAC National Accelerator Laboratory)

  • Benjia Dou

    (National Renewable Energy Laboratory (NREL), Materials Science Center, 15013 Denver West Parkway, Golden, Colorado 80401, USA
    Computer and Energy Engineering, University of Colorado Boulder)

  • Douglas G. Van Campen

    (SLAC National Accelerator Laboratory)

  • Talysa R. Klein-Stockert

    (National Renewable Energy Laboratory (NREL), Materials Science Center, 15013 Denver West Parkway, Golden, Colorado 80401, USA)

  • Frank S. Barnes

    (Computer and Energy Engineering, University of Colorado Boulder)

  • Sean E. Shaheen

    (Computer and Energy Engineering, University of Colorado Boulder
    Renewable and Sustainable Energy Institute, University of Colorado Boulder)

  • Md I. Ahmad

    (SLAC National Accelerator Laboratory
    Present address: Indian Institute of Technology (BHU), Department of Ceramic Engineering, Varanasi 221005, India)

  • Maikel F. A. M. van Hest

    (National Renewable Energy Laboratory (NREL), Materials Science Center, 15013 Denver West Parkway, Golden, Colorado 80401, USA)

  • Michael F. Toney

    (SLAC National Accelerator Laboratory)

Abstract

Lead halide perovskites have emerged as successful optoelectronic materials with high photovoltaic power conversion efficiencies and low material cost. However, substantial challenges remain in the scalability, stability and fundamental understanding of the materials. Here we present the application of radiative thermal annealing, an easily scalable processing method for synthesizing formamidinium lead iodide (FAPbI3) perovskite solar absorbers. Devices fabricated from films formed via radiative thermal annealing have equivalent efficiencies to those annealed using a conventional hotplate. By coupling results from in situ X-ray diffraction using a radiative thermal annealing system with device performances, we mapped the processing phase space of FAPbI3 and corresponding device efficiencies. Our map of processing-structure-performance space suggests the commonly used FAPbI3 annealing time, 10 min at 170 °C, can be significantly reduced to 40 s at 170 °C without affecting the photovoltaic performance. The Johnson-Mehl-Avrami model was used to determine the activation energy for decomposition of FAPbI3 into PbI2.

Suggested Citation

  • Vanessa L. Pool & Benjia Dou & Douglas G. Van Campen & Talysa R. Klein-Stockert & Frank S. Barnes & Sean E. Shaheen & Md I. Ahmad & Maikel F. A. M. van Hest & Michael F. Toney, 2017. "Thermal engineering of FAPbI3 perovskite material via radiative thermal annealing and in situ XRD," Nature Communications, Nature, vol. 8(1), pages 1-8, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms14075
    DOI: 10.1038/ncomms14075
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    Cited by:

    1. Mengmeng Ma & Xuliang Zhang & Xiao Chen & Hao Xiong & Liang Xu & Tao Cheng & Jianyu Yuan & Fei Wei & Boyuan Shen, 2023. "In situ imaging of the atomic phase transition dynamics in metal halide perovskites," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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