The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index.
Efficient, Hysteresis‐Free, and Stable Perovskite Solar Cells with ZnO as Electron‐Transport Layer: Effect of Surface Passivation
Abstract
The power conversion efficiency of perovskite solar cells (PSCs) has ascended from 3.8% to 22.1% in recent years. ZnO has been well‐documented as an excellent electron‐transport material. However, the poor chemical compatibility between ZnO and organo‐metal halide perovskite makes it highly challenging to obtain highly efficient and stable PSCs using ZnO as the electron‐transport layer. It is demonstrated in this work that the surface passivation of ZnO by a thin layer of MgO and protonated ethanolamine (EA) readily makes ZnO as a very promising electron‐transporting material for creating hysteresis‐free, efficient, and stable PSCs. Systematic studies in this work reveal several important roles of the modification: (i) MgO inhibits the interfacial charge recombination, and thus enhances cell performance and stability; (ii) the protonated EA promotes the effective electron transport from perovskite to ZnO, further fully eliminating PSCs hysteresis; (iii) the modification makes ZnO compatible with perovskite, nicely resolving the instability of ZnO/perovskite interface. With all these findings, PSCs with the best efficiency up to 21.1% and no hysteresis are successfully fabricated. PSCs stable in air for more than 300 h are achieved when graphene is used to further encapsulate the cells.
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Cited by
Causes and Solutions of Recombination in Perovskite Solar Cells
Chen, J., & Park, N. (2019) · Advanced Materials · doi:10.1002/adma.201803019 · Cited by 733
Chen, J., Zhao, X., Kim, S., & Park, N. (2019) · Advanced Materials · doi:10.1002/adma.201902902 · Cited by 527
Interface and Defect Engineering for Metal Halide Perovskite Optoelectronic Devices
Han, T., Tan, S., Xue, J., Meng, L., Lee, J., & Yang, Y. (2019) · Advanced Materials · doi:10.1002/adma.201803515 · Cited by 481
A review on perovskite solar cells (PSCs), materials and applications
Suresh Kumar, N., & Chandra Babu Naidu, K. (2021) · Journal of Materiomics · doi:10.1016/j.jmat.2021.04.002 · Cited by 420
Metadata
- Authors
- Cao, J., Wu, B., Chen, R., Wu, Y., Hui, Y., Mao, B., & Zheng, N.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2018-01-19
- Volume
- 30
- Issue
- 11
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2794130057
- Cited by
- 447
- References
- 45
- FWCI
- 26.34
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cao, J., Wu, B., Chen, R., Wu, Y., Hui, Y., Mao, B., & Zheng, N. (2018). Efficient, Hysteresis‐Free, and Stable Perovskite Solar Cells with ZnO as Electron‐Transport Layer: Effect of Surface Passivation. Advanced Materials. https://doi.org/10.1002/adma.201705596
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