Surpassing 10% Efficiency Benchmark for Nonfullerene Organic Solar Cells by Scalable Coating in Air from Single Nonhalogenated Solvent
Abstract
Abstract The commercialization of nonfullerene organic solar cells (OSCs) critically relies on the response under typical operating conditions (for instance, temperature and humidity) and the ability of scale‐up. Despite the rapid increase in power conversion efficiency (PCE) of spin‐coated devices fabricated in a protective atmosphere, the efficiencies of printed nonfullerene OSC devices by blade coating are still lower than 6%. This slow progress significantly limits the practical printing of high‐performance nonfullerene OSCs. Here, a new and relatively stable nonfullerene combination is introduced by pairing the nonfluorinated acceptor IT‐M with the polymeric donor FTAZ. Over 12% efficiency can be achieved in spin‐coated FTAZ:IT‐M devices using a single halogen‐free solvent. More importantly, chlorine‐free, blade coating of FTAZ:IT‐M in air is able to yield a PCE of nearly 11% despite a humidity of ≈50%. X‐ray scattering results reveal that large π–π coherence length, high degree of face‐on orientation with respect to the substrate, and small domain spacing of ≈20 nm are closely correlated with such high device performance. The material system and approach yield the highest reported performance for nonfullerene OSC devices by a coating technique approximating scalable fabrication methods and hold great promise for the development of low‐cost, low‐toxicity, and high‐efficiency OSCsmore »
- Authors:
-
[1];
- North Carolina State Univ., Raleigh, NC (United States)
- Univ. of North Carolina, Chapel Hill, NC (United States)
- Chinese Academy of Sciences (CAS), Beijing (China)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- National Science Foundation (NSF); Chinese Academy of Sciences (CAS); National Natural Science Foundation of China (NSFC); US Department of the Navy, Office of Naval Research (ONR); USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1426232
- Alternate Identifier(s):
- OSTI ID: 1416603
- Grant/Contract Number:
- AC02-06CH11357; DE‐AC02‐05CH11231; DE‐AC02‐06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Advanced Materials
- Additional Journal Information:
- Journal Volume: 30; Journal Issue: 8; Journal ID: ISSN 0935-9648
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; blade-coating; film morphology; nonfullerene acceptors; nonhalogenated solvent; organic solar cells
Citation Formats
Ye, Long, Xiong, Yuan, Zhang, Qianqian, Li, Sunsun, Wang, Cheng, Jiang, Zhang, Hou, Jianhui, You, Wei, and Ade, Harald. Surpassing 10% Efficiency Benchmark for Nonfullerene Organic Solar Cells by Scalable Coating in Air from Single Nonhalogenated Solvent. United States: N. p., 2018.
Web. doi:10.1002/adma.201705485.
Ye, Long, Xiong, Yuan, Zhang, Qianqian, Li, Sunsun, Wang, Cheng, Jiang, Zhang, Hou, Jianhui, You, Wei, & Ade, Harald. Surpassing 10% Efficiency Benchmark for Nonfullerene Organic Solar Cells by Scalable Coating in Air from Single Nonhalogenated Solvent. United States. https://doi.org/10.1002/adma.201705485
Ye, Long, Xiong, Yuan, Zhang, Qianqian, Li, Sunsun, Wang, Cheng, Jiang, Zhang, Hou, Jianhui, You, Wei, and Ade, Harald. Wed .
"Surpassing 10% Efficiency Benchmark for Nonfullerene Organic Solar Cells by Scalable Coating in Air from Single Nonhalogenated Solvent". United States. https://doi.org/10.1002/adma.201705485. https://www.osti.gov/servlets/purl/1426232.
@article{osti_1426232,
title = {Surpassing 10% Efficiency Benchmark for Nonfullerene Organic Solar Cells by Scalable Coating in Air from Single Nonhalogenated Solvent},
author = {Ye, Long and Xiong, Yuan and Zhang, Qianqian and Li, Sunsun and Wang, Cheng and Jiang, Zhang and Hou, Jianhui and You, Wei and Ade, Harald},
abstractNote = {Abstract The commercialization of nonfullerene organic solar cells (OSCs) critically relies on the response under typical operating conditions (for instance, temperature and humidity) and the ability of scale‐up. Despite the rapid increase in power conversion efficiency (PCE) of spin‐coated devices fabricated in a protective atmosphere, the efficiencies of printed nonfullerene OSC devices by blade coating are still lower than 6%. This slow progress significantly limits the practical printing of high‐performance nonfullerene OSCs. Here, a new and relatively stable nonfullerene combination is introduced by pairing the nonfluorinated acceptor IT‐M with the polymeric donor FTAZ. Over 12% efficiency can be achieved in spin‐coated FTAZ:IT‐M devices using a single halogen‐free solvent. More importantly, chlorine‐free, blade coating of FTAZ:IT‐M in air is able to yield a PCE of nearly 11% despite a humidity of ≈50%. X‐ray scattering results reveal that large π–π coherence length, high degree of face‐on orientation with respect to the substrate, and small domain spacing of ≈20 nm are closely correlated with such high device performance. The material system and approach yield the highest reported performance for nonfullerene OSC devices by a coating technique approximating scalable fabrication methods and hold great promise for the development of low‐cost, low‐toxicity, and high‐efficiency OSCs by high‐throughput production.},
doi = {10.1002/adma.201705485},
journal = {Advanced Materials},
number = 8,
volume = 30,
place = {United States},
year = {Wed Jan 10 00:00:00 EST 2018},
month = {Wed Jan 10 00:00:00 EST 2018}
}
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Figures / Tables:
Figure 1: (a) Schematic illustration of widely used spin-coating and scalable coating of organic films; (b) chemical structure of polymer donor FTAZ; (c) chemical structures of a chlorinated solvent and several nonhalogenated solvents used in the nonfullerene OSC processing; (d) chemical structure of a nonfluorinated NFA (IT-M).
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Interfacial width and phase equilibrium in polymer-fullerene thin-films
journal, September 2019
- Hynes, E. L.; Cabral, J. T.; Parnell, A. J.
- Communications Physics, Vol. 2, Issue 1
The crucial role of end group planarity for fused-ring electron acceptors in organic solar cells
text, January 2019
- F., Gao,; L., Ye,; D., Dirkes,
- The University of North Carolina at Chapel Hill University Libraries
Sequential Deposition of Organic Films with Eco-Compatible Solvents Improves Performance and Enables Over 12%-Efficiency Nonfullerene Solar Cells
text, January 2019
- B. T., OConnor,; R., Henry,; W., You,
- The University of North Carolina at Chapel Hill University Libraries
Highly Efficient, Stable, and Ductile Ternary Nonfullerene Organic Solar Cells from a Two-Donor Polymer Blend
text, January 2019
- M., Ghasemi,; H., Ade,; B. T., OConnor,
- The University of North Carolina at Chapel Hill University Libraries
Revealing the Impact of F4-TCNQ as Additive on Morphology and Performance of High-Efficiency Nonfullerene Organic Solar Cells
text, January 2019
- J. J., Rech,; W., You,; Q., Zhang,
- The University of North Carolina at Chapel Hill University Libraries
Effective Exciton Dissociation and Reduced Charge Recombination in Thick‐Film Organic Solar Cells via Incorporation of Insulating Polypropylene
journal, May 2019
- Wang, Tong; Yang, Xiao-Yu; Bi, Peng-Qing
- Solar RRL, Vol. 3, Issue 8
Polymeric Materials for Conversion of Electromagnetic Waves from the Sun to Electric Power
journal, March 2018
- Haque, Sk; Ardila-Rey, Jorge; Umar, Yunusa
- Polymers, Vol. 10, Issue 3
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