The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Non-wetting surface-driven high-aspect-ratio crystalline grain growth for efficient hybrid perovskite solar cells
Open accessAbstract
Large-aspect-ratio grains are needed in polycrystalline thin-film solar cells for reduced charge recombination at grain boundaries; however, the grain size in organolead trihalide perovskite (OTP) films is generally limited by the film thickness. Here we report the growth of OTP grains with high average aspect ratio of 2.3–7.9 on a wide range of non-wetting hole transport layers (HTLs), which increase nucleus spacing by suppressing heterogeneous nucleation and facilitate grain boundary migration in grain growth by imposing less drag force. The reduced grain boundary area and improved crystallinity dramatically reduce the charge recombination in OTP thin films to the level in OTP single crystals. Combining the high work function of several HTLs, a high stabilized device efficiency of 18.3% in low-temperature-processed planar-heterojunction OTP devices under 1 sun illumination is achieved. This simple method in enhancing OTP morphology paves the way for its application in other optoelectronic devices for enhanced performance.
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Cites
Solvent engineering for high-performance inorganic–organic hybrid perovskite solar cells
Jeon, N. J., Noh, J. H., Kim, Y. C., Yang, W. S., Ryu, S., & Seok, S. I. (2014) · Nature Materials · doi:10.1038/nmat4014 · Cited by 6,723
Cited by
Brenner, T. M., Egger, D. A., Kronik, L., Hodes, G., & Cahen, D. (2016) · Nature Reviews Materials · doi:10.1038/natrevmats.2015.7 · Cited by 1,557
Understanding the physical properties of hybrid perovskites for photovoltaic applications
Huang, J., Yuan, Y., Shao, Y., & Yan, Y. (2017) · Nature Reviews Materials · doi:10.1038/natrevmats.2017.42 · Cited by 1,252
Self-citationAhmadi, M., Wu, T., & Hu, B. (2017) · Advanced Materials · doi:10.1002/adma.201605242 · Cited by 820
Recent Advances in the Inverted Planar Structure of Perovskite Solar Cells
Meng, L., You, J., Guo, T.-F., & Yang, Y. (2016) · Accounts of Chemical Research · doi:10.1021/acs.accounts.5b00404 · Cited by 659
Ke, W., Xiao, C., Wang, C., Saparov, B., Duan, H., Zhao, D., Xiao, Z., Schulz, P., Harvey, S. P., Liao, W., et al. (2016) · Advanced Materials · doi:10.1002/adma.201600594 · Cited by 579
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Metadata
- Authors
- Bi, C., Wang, Q., Shao, Y., Yuan, Y., Xiao, Z., & Huang, J.
- Venue
- Nature Communications
- Published
- 2015-07-20
- Volume
- 6
- Issue
- 1
- Pages
- 7747-7747
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2259658805
- Cited by
- 1,660
- References
- 1
- FWCI
- 77.78
- Type
- journal article
- Language
- en
- Open access
- gold
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