The DOI matches its Crossref record; 52 of the 52 references it cites were found in a registry or an index.
Record Efficiency Stable Flexible Perovskite Solar Cell Using Effective Additive Assistant Strategy
Abstract
Even though the power conversion efficiency (PCE) of rigid perovskite solar cells is increased to 22.7%, the PCE of flexible perovskite solar cells (F‐PSCs) is still lower. Here, a novel dimethyl sulfide (DS) additive is developed to effectively improve the performance of the F‐PSCs. Fourier transform infrared spectroscopy reveals that the DS additive reacts with Pb 2+ to form a chelated intermediate, which significantly slows down the crystallization rate, leading to large grain size and good crystallinity for the resultant perovskite film. In fact, the trap density of the perovskite film prepared using the DS additive is reduced by an order of magnitude compared to the one without it, demonstrating that the additive effectively retards transformation kinetics during the thin film formation process. As a result, the PCE of the flexible devices increases to 18.40%, with good mechanical tolerance, the highest reported so far for the F‐PSCs. Meanwhile, the environmental stability of the F‐PSCs significantly enhances by 1.72 times compared to the device without the additive, likely due to the large grain size that suppresses perovskite degradation at grain boundaries. The present strategy will help guide development of high efficiency F‐PSCs for practical applications.
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Cites
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Cited by
Recent progress in flexible–wearable solar cells for self-powered electronic devices
Hashemi, S. A., Ramakrishna, S., & Aberle, A. G. (2020) · Energy & Environmental Science · doi:10.1039/c9ee03046h · Cited by 527
Enabling Flexible All-Perovskite Tandem Solar Cells
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Review on Recent Progress of All‐Inorganic Metal Halide Perovskites and Solar Cells
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Flexible Perovskite Solar Cells
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Stability of perovskite solar cells: issues and prospects
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Metadata
- Authors
- Feng, J., Zhu, X., Yang, Z., Zhang, X., Niu, J., Wang, Z., Zuo, S., Priya, S., Liu, S. (., & Yang, D.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2018-07-11
- Volume
- 30
- Issue
- 35
- Pages
- e1801418-e1801418
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2852164233
- Cited by
- 484
- References
- 52
- FWCI
- 24.37
- Type
- journal article
- Language
- en
- Open access
- closed
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- Feng, J., Zhu, X., Yang, Z., Zhang, X., Niu, J., Wang, Z., Zuo, S., Priya, S., Liu, S. (., & Yang, D. (2018). Record Efficiency Stable Flexible Perovskite Solar Cell Using Effective Additive Assistant Strategy. Advanced Materials. https://doi.org/10.1002/adma.201801418
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