The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.
17% Efficient Organic Solar Cells Based on Liquid Exfoliated WS2 as a Replacement for PEDOT:PSS
Abstract
The application of liquid‐exfoliated 2D transition metal disulfides (TMDs) as the hole transport layers (HTLs) in nonfullerene‐based organic solar cells is reported. It is shown that solution processing of few‐layer WS 2 or MoS 2 suspensions directly onto transparent indium tin oxide (ITO) electrodes changes their work function without the need for any further treatment. HTLs comprising WS 2 are found to exhibit higher uniformity on ITO than those of MoS 2 and consistently yield solar cells with superior power conversion efficiency (PCE), improved fill factor (FF), enhanced short‐circuit current (JSC), and lower series resistance than devices based on poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) and MoS 2. Cells based on the ternary bulk‐heterojunction PBDB‐T‐2F:Y6:PC 71 BM with WS 2 as the HTL exhibit the highest PCE of 17%, with an FF of 78%, open‐circuit voltage of 0.84 V, and a JSC of 26 mA cm−2. Analysis of the cells' optical and carrier recombination characteristics indicates that the enhanced performance is most likely attributed to a combination of favorable photonic structure and reduced bimolecular recombination losses in WS 2‐based cells. The achieved PCE is the highest reported to date for organic solar cells comprised of 2D charge transport interlayers and highlights the potential of TMDs as inexpensive HTLs for high‐efficiency organic photovoltaics.
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Cited by
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Chen, X., Xu, G., Zeng, G., Gu, H., Chen, H., Xu, H., Yao, H., Li, Y., Hou, J., & Li, Y. (2020) · Advanced Materials · doi:10.1002/adma.201908478 · Cited by 308
Metadata
- Authors
- Lin, Y., Adilbekova, B., Firdaus, Y., Yengel, E., Faber, H., Sajjad, M., Zheng, X., Yarali, E., Seitkhan, A., Bakr, O. M., El‐Labban, A., Schwingenschlögl, U., Tung, V., McCulloch, I., Laquai, F., & Anthopoulos, T. D.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2019-09-30
- Volume
- 31
- Issue
- 46
- Pages
- e1902965-e1902965
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2978340922
- Cited by
- 586
- References
- 40
- FWCI
- 39.65
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lin, Y., Adilbekova, B., Firdaus, Y., Yengel, E., Faber, H., Sajjad, M., Zheng, X., Yarali, E., Seitkhan, A., Bakr, O. M., El‐Labban, A., Schwingenschlögl, U., Tung, V., McCulloch, I., Laquai, F., & Anthopoulos, T. D. (2019). 17% Efficient Organic Solar Cells Based on Liquid Exfoliated WS2 as a Replacement for PEDOT:PSS. Advanced Materials. https://doi.org/10.1002/adma.201902965
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