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D-A-π-A-D-type Dopant-free Hole Transport Material for Low-Cost, Efficient, and Stable Perovskite Solar Cells
Open accessAbstract
Summary The development of low-cost and efficient hole transport materials (HTMs) is important for the commercialization of perovskite solar cells (PSCs). Comparing with the widely studied D-A-D and D-π-D linear-type small molecule HTMs, DTB-FL with a D-A-π-A-D molecular design is proposed, featuring facile synthesis and excellent optoelectronic properties. Moreover, the HTM with efficient surface passivation effects and proper energy level alignment at the hole extraction interface effectively inhibits recombination loss and improves the charge collection property. As a result, the champion efficiencies of 21.5% and 19.6% for active areas of 0.09 and 1.0 cm2, respectively, with superior operational stability are achieved by using DTB-FL HTM. In addition, DTB-FL can also be used as efficient HTM for all-inorganic PSCs, producing an impressive PCE of 17.0% with a high Voc of 1.30 V. These results underscore the promising potential of the D-A-π-A-D molecular design in preparing low-cost dopant-free HTMs toward stable and efficient PSCs.
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Kim, H.-S., Lee, C.-R., Im, J.-H., Lee, K.-B., Moehl, T., Marchioro, A., Moon, S.-J., Humphry-Baker, R., Yum, J.-H., Moser, J. E., et al. (2012) · Scientific Reports · doi:10.1038/srep00591 · Cited by 8,092
Nika : software for two-dimensional data reduction
Ilavsky, J. (2012) · Journal of Applied Crystallography · doi:10.1107/s0021889812004037 · Cited by 923
Cited by
Lv, C., Lee, C., Zhong, L., Liu, H., Liu, J., Yang, L., Yan, C., Yu, W., Hng, H. H., Qi, Z., et al. (2022) · ACS Nano · doi:10.1021/acsnano.2c01956 · Cited by 339
Metadata
- Authors
- Niu, T., Zhu, W., Zhang, Y., Xue, Q., Jiao, X., Wang, Z., Xie, Y.-M., Li, P., Chen, R., Huang, F., Li, Y., Yip, H.-L., & Cao, Y.
- Venue
- Joule
- Publisher
- Elsevier BV
- Published
- 2021-01
- Volume
- 5
- Issue
- 1
- Pages
- 249-269
- ISSN
- 2542-4351 (ISSN-L)
- OpenAlex
- W3113791246
- Cited by
- 320
- References
- 2
- FWCI
- 18.29
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Niu, T., Zhu, W., Zhang, Y., Xue, Q., Jiao, X., Wang, Z., Xie, Y.-M., Li, P., Chen, R., Huang, F., Li, Y., Yip, H.-L., & Cao, Y. (2021). D-A-π-A-D-type Dopant-free Hole Transport Material for Low-Cost, Efficient, and Stable Perovskite Solar Cells. Joule. https://doi.org/10.1016/j.joule.2020.12.003
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