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Improving Performance and Stability of Flexible Planar‐Heterojunction Perovskite Solar Cells Using Polymeric Hole‐Transport Material
Abstract
For realizing flexible perovskite solar cells (PSCs), it is important to develop low‐temperature processable interlayer materials with excellent charge transporting properties. Herein, a novel polymeric hole‐transport material based on 1,4‐bis(4‐sulfonatobutoxy)benzene and thiophene moieties (PhNa‐1T) and its application as a hole‐transport layer (HTL) material of high‐performance inverted‐type flexible PSCs are introduced. Compared with the conventionally used poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), the incorporation of PhNa‐1T into HTL of the PSC device is demonstrated to be more effective for improving charge extraction from the perovskite absorber to the HTL and suppressing charge recombination in the bulk perovskite and HTL/perovskite interface. As a result, the flexible PSC using PhNa‐1T achieves high photovoltaic performances with an impressive power conversion efficiency of 14.7%. This is, to the best of our knowledge, among the highest performances reported to date for inverted‐type flexible PSCs. Moreover, the PhNa‐1T‐based flexible PSC shows much improved stability under an ambient condition than PEDOT:PSS‐based PSC. It is believed that PhNa‐1T is a promising candidate as an HTL material for high‐performance flexible PSCs.
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Citations
Cites
Highly efficient and bending durable perovskite solar cells: toward a wearable power source
Kim, B. J., Kim, D. H., Lee, Y.-Y., Shin, H.-W., Han, G. S., Hong, J. S., Mahmood, K., Ahn, T. K., Joo, Y.-C., Hong, K. S., et al. (2015) · Energy & Environmental Science · doi:10.1039/c4ee02441a · Cited by 679
Cited by
Yoon, J., Sung, H., Lee, G., Cho, W., Ahn, N., Jung, H. S., & Choi, M. (2017) · Energy & Environmental Science · doi:10.1039/c6ee02650h · Cited by 469
Flexible Perovskite Solar Cells
Jung, H. S., Han, G. S., Park, N.-G., & Ko, M. J. (2019) · Joule · doi:10.1016/j.joule.2019.07.023 · Cited by 449
Self-citationEfficiency progress of inverted perovskite solar cells
Lin, X., Cui, D., Luo, X., Zhang, C., Han, Q., Wang, Y., & Han, L. (2020) · Energy & Environmental Science · doi:10.1039/d0ee02017f · Cited by 346
Flexible and Wearable Optoelectronic Devices Based on Perovskites
Zhao, R., Gu, Z., Li, P., Zhang, Y., & Song, Y. (2022) · Advanced Materials Technologies · doi:10.1002/admt.202101124 · Cited by 83
Metadata
- Authors
- Jo, J. W., Seo, M., Park, M., Kim, J., Park, J. S., Han, I. K., Ahn, H., Jung, J. W., Sohn, B., Ko, M. J., & Son, H. J.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2016-04-18
- Volume
- 26
- Issue
- 25
- Pages
- 4464-4471
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2336326581
- Cited by
- 172
- References
- 1
- FWCI
- 12.81
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jo, J. W., Seo, M., Park, M., Kim, J., Park, J. S., Han, I. K., Ahn, H., Jung, J. W., Sohn, B., Ko, M. J., & Son, H. J. (2016). Improving Performance and Stability of Flexible Planar‐Heterojunction Perovskite Solar Cells Using Polymeric Hole‐Transport Material. Advanced Functional Materials. https://doi.org/10.1002/adfm.201600746
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