Roll-to-Roll Printing of Perovskite Solar Cells
Journal Article
·
· ACS Energy Letters
- National Renewable Energy Lab. (NREL), Golden, CO (United States); Univ. of Colorado, Boulder, CO (United States)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Corning Research & Development Corp., Corning, NY (United States)
- Univ. of Colorado, Boulder, CO (United States)
High efficiency combined with transformative roll-to-roll (R2R) printability makes metal halide perovskite-based solar cells the most promising solar technology to address the terawatt challenge of the future energy demand. However, translation from lab-scale deposition solution processing techniques to large-scale R2R methods has typically led to reduced photovoltaic performance. Here, we demonstrate large-scale, highly crystalline, uniaxially oriented, smooth perovskite films printed at room temperature and in the ambient environment. Confirmed with high speed in situ X-ray diffraction measurements, the perovskite films reach 98% of relative crystallinity at room temperature and display high texture within 1 s of the coating. We demonstrate an all-blade-coated metal halide perovskite cell with power conversion efficiency (PCE) up to 19.6%, a slot-die coated cell with a PCE of 17.3%, and a partially R2R slot-die coated flexible glass-based cell efficiency of 14.1%. As a result the developed printing method can be applied to diverse perovskite compositions, enabling a variety of bandgaps to pave the way for the future R2R printing of highly efficient perovskite–perovskite tandem cells.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- Grant/Contract Number:
- AC02-76SF00515; AC36-08GO28308
- OSTI ID:
- 1490989
- Alternate ID(s):
- OSTI ID: 1480236
OSTI ID: 1491406
- Journal Information:
- ACS Energy Letters, Journal Name: ACS Energy Letters Journal Issue: 10 Vol. 3; ISSN 2380-8195
- Publisher:
- American Chemical Society (ACS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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