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Title: Perovskite ink with wide processing window for scalable high-efficiency solar cells

Abstract

Perovskite solar cells have made tremendous progress using laboratory-scale spin-coating methods in the past few years owing to advances in controls of perovskite film deposition. However, devices made via scalable methods are still lagging behind state-of-the-art spin-coated devices because of the complicated nature of perovskite crystallization from a precursor state. Here we demonstrate a chlorine-containing methylammonium lead iodide precursor formulation along with solvent tuning to enable a wide precursor-processing window (up to ~8 min) and a rapid grain growth rate (as short as ~1 min). Coupled with antisolvent extraction, this precursor ink delivers high-quality perovskite films with large-scale uniformity. The ink can be used by both spin-coating and blade-coating methods with indistinguishable film morphology and device performance. Using a blade-coated absorber, devices with 0.12-cm 2 and 1.2-cm 2 areas yield average efficiencies of 18.55% and 17.33%, respectively. As a result, we further demonstrate a 12.6-cm 2 four-cell module (88% geometric fill factor) with 13.3% stabilized active-area efficiency output.

Authors:
 [1]; ORCiD logo [1];  [1]; ORCiD logo [1];  [1];  [1];  [1]; ORCiD logo [2];  [1];  [1];  [1]
  1. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  2. The Univ. of Toledo, Toledo, OH (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S)
OSTI Identifier:
1349021
Report Number(s):
NREL/JA-5900-67357
Journal ID: ISSN 2058-7546
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Nature Energy
Additional Journal Information:
Journal Volume: 2; Journal ID: ISSN 2058-7546
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; 36 MATERIALS SCIENCE; perovskites; solar cells; precursor ink

Citation Formats

Yang, Mengjin, Li, Zhen, Reese, Matthew O., Reid, Obadiah G., Kim, Dong Hoe, Siol, Sebastian, Klein, Talysa R., Yan, Yanfa, Berry, Joseph J., van Hest, Maikel F. A. M., and Zhu, Kai. Perovskite ink with wide processing window for scalable high-efficiency solar cells. United States: N. p., 2017. Web. doi:10.1038/nenergy.2017.38.
Yang, Mengjin, Li, Zhen, Reese, Matthew O., Reid, Obadiah G., Kim, Dong Hoe, Siol, Sebastian, Klein, Talysa R., Yan, Yanfa, Berry, Joseph J., van Hest, Maikel F. A. M., & Zhu, Kai. Perovskite ink with wide processing window for scalable high-efficiency solar cells. United States. doi:10.1038/nenergy.2017.38.
Yang, Mengjin, Li, Zhen, Reese, Matthew O., Reid, Obadiah G., Kim, Dong Hoe, Siol, Sebastian, Klein, Talysa R., Yan, Yanfa, Berry, Joseph J., van Hest, Maikel F. A. M., and Zhu, Kai. Mon . "Perovskite ink with wide processing window for scalable high-efficiency solar cells". United States. doi:10.1038/nenergy.2017.38. https://www.osti.gov/servlets/purl/1349021.
@article{osti_1349021,
title = {Perovskite ink with wide processing window for scalable high-efficiency solar cells},
author = {Yang, Mengjin and Li, Zhen and Reese, Matthew O. and Reid, Obadiah G. and Kim, Dong Hoe and Siol, Sebastian and Klein, Talysa R. and Yan, Yanfa and Berry, Joseph J. and van Hest, Maikel F. A. M. and Zhu, Kai},
abstractNote = {Perovskite solar cells have made tremendous progress using laboratory-scale spin-coating methods in the past few years owing to advances in controls of perovskite film deposition. However, devices made via scalable methods are still lagging behind state-of-the-art spin-coated devices because of the complicated nature of perovskite crystallization from a precursor state. Here we demonstrate a chlorine-containing methylammonium lead iodide precursor formulation along with solvent tuning to enable a wide precursor-processing window (up to ~8 min) and a rapid grain growth rate (as short as ~1 min). Coupled with antisolvent extraction, this precursor ink delivers high-quality perovskite films with large-scale uniformity. The ink can be used by both spin-coating and blade-coating methods with indistinguishable film morphology and device performance. Using a blade-coated absorber, devices with 0.12-cm2 and 1.2-cm2 areas yield average efficiencies of 18.55% and 17.33%, respectively. As a result, we further demonstrate a 12.6-cm2 four-cell module (88% geometric fill factor) with 13.3% stabilized active-area efficiency output.},
doi = {10.1038/nenergy.2017.38},
journal = {Nature Energy},
number = ,
volume = 2,
place = {United States},
year = {Mon Mar 20 00:00:00 EDT 2017},
month = {Mon Mar 20 00:00:00 EDT 2017}
}

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Cited by: 11 works
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Works referenced in this record:

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