The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.
Optimized Fibril Network Morphology by Precise Side‐Chain Engineering to Achieve High‐Performance Bulk‐Heterojunction Organic Solar Cells
Abstract
A polymer fibril assembly can dictate the morphology framework, in forming a network structure, which is highly advantageous in bulk heterojunction (BHJ) organic solar cells (OSCs). A fundamental understanding of how to manipulate such a fibril assembly and its influence on the BHJ morphology and device performance is crucially important. Here, a series of donor–acceptor polymers, PBT1‐O, PBT1‐S, and PBT1‐C, is used to systematically investigate the relationship between molecular structure, morphology, and photovoltaic performance. The subtle atom change in side chains is found to have profound effect on regulating electronic structure and self‐assembly of conjugated polymers. Compared with PBT1‐O and PBT1‐S, PBT1‐C‐based OSCs show much higher photovoltaic performance with a record fill factor (FF) of 80.5%, due to the formation of optimal interpenetrating network morphology. Such a fibril network strategy is further extended to nonfullerene OSCs using a small‐molecular acceptor, which shows a high efficiency of 12.7% and an FF of 78.5%. The results indicate the formation of well‐defined fibrillar structure is a promising approach to achieving a favorable morphology in BHJ OSCs.
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Cites
Li, G., Zhu, R., & Yang, Y. (2012) · Nature Photonics · doi:10.1038/nphoton.2012.11 · Cited by 4,414
Molecular Optimization Enables over 13% Efficiency in Organic Solar Cells
Zhao, W., Li, S., Yao, H., Zhang, S., Zhang, Y., Yang, B., & Hou, J. (2017) · Journal of the American Chemical Society · doi:10.1021/jacs.7b02677 · Cited by 2,790
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Polymer–Fullerene Bulk‐Heterojunction Solar Cells
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Recent Advances in Bulk Heterojunction Polymer Solar Cells
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Efficient organic solar cells processed from hydrocarbon solvents
Zhao, J., Li, Y., Yang, G., Jiang, K., Lin, H., Ade, H., Ma, W., & Yan, H. (2016) · Nature Energy · doi:10.1038/nenergy.2015.27 · Cited by 2,367
Self-citation25th Anniversary Article: Bulk Heterojunction Solar Cells: Understanding the Mechanism of Operation
Heeger, A. J. (2014) · Advanced Materials · doi:10.1002/adma.201304373 · Cited by 1,723
High-Performance Electron Acceptor with Thienyl Side Chains for Organic Photovoltaics
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Self-citationPolymer solar cells with enhanced fill factors
Guo, X., Zhou, N., Lou, S. J., Smith, J., Tice, D. B., Hennek, J. W., Ortiz, R. P., Navarrete, J. T. L., Li, S., Strzalka, J., et al. (2013) · Nature Photonics · doi:10.1038/nphoton.2013.207 · Cited by 938
Ye, L., Hu, H., Ghasemi, M., Wang, T., Collins, B. A., Kim, J.-H., Jiang, K., Carpenter, J. H., Li, H., Li, Z., et al. (2018) · Nature Materials · doi:10.1038/s41563-017-0005-1 · Cited by 707
Metadata
- Authors
- Liu, T., Huo, L., Chandrabose, S., Chen, K., Han, G., Qi, F., Meng, X., Xie, D., Ma, W., Yi, Y., Hodgkiss, J. M., Liu, F., Wang, J., Yang, C., & Sun, Y.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2018-05-18
- Volume
- 30
- Issue
- 26
- Pages
- e1707353-e1707353
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2804432365
- Cited by
- 331
- References
- 37
- FWCI
- 20.32
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liu, T., Huo, L., Chandrabose, S., Chen, K., Han, G., Qi, F., Meng, X., Xie, D., Ma, W., Yi, Y., Hodgkiss, J. M., Liu, F., Wang, J., Yang, C., & Sun, Y. (2018). Optimized Fibril Network Morphology by Precise Side‐Chain Engineering to Achieve High‐Performance Bulk‐Heterojunction Organic Solar Cells. Advanced Materials. https://doi.org/10.1002/adma.201707353
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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