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Graphene–Perovskite Solar Cells Exceed 18 % Efficiency: A Stability Study
Open accessAbstract
Interface engineering is performed by the addition of graphene and related 2 D materials (GRMs) into perovskite solar cells (PSCs), leading to improvements in the power conversion efficiency (PCE). By doping the mesoporous TiO 2 layer with graphene flakes (mTiO 2+G), produced by liquid‐phase exfoliation of pristine graphite, and by inserting graphene oxide (GO) as an interlayer between the perovskite and hole‐transport layers, using a two‐step deposition procedure in air, we achieved a PCE of 18.2 %. The obtained PCE value mainly results from improved charge‐carrier injection/collection with respect to conventional PSCs. Although the addition of GRMs does not influence the shelf life, it is beneficial for the stability of PSCs under several aging conditions. In particular, mTiO 2+G PSCs retain more than 88 % of the initial PCE after 16 h of prolonged 1 sun illumination at the maximum power point. Moreover, when subjected to prolonged heating at 60 °C, the GO‐based structures show enhanced stability with respect to mTiO 2+G PSCs, as a result of thermally induced modification at the mTiO 2+G/perovskite interface. The exploitation of GRMs in the form of dispersions and inks opens the way for scalable large‐area production, advancing the possible commercialization of PSCs.
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Kim, H.-S., Lee, C.-R., Im, J.-H., Lee, K.-B., Moehl, T., Marchioro, A., Moon, S.-J., Humphry-Baker, R., Yum, J.-H., Moser, J. E., et al. (2012) · Scientific Reports · doi:10.1038/srep00591 · Cited by 8,092
Cited by
A Review of Perovskites Solar Cell Stability
Wang, R., Mujahid, M., Duan, Y., Wang, Z., Xue, J., & Yang, Y. (2019) · Advanced Functional Materials · doi:10.1002/adfm.201808843 · Cited by 1,310
Peng, J., Khan, J. I., Liu, W., Ugur, E., Duong, T., Wu, Y., Shen, H., Wang, K., Dang, H., Aydin, E., et al. (2018) · Advanced Energy Materials · doi:10.1002/aenm.201801208 · Cited by 518
Advances in hole transport materials engineering for stable and efficient perovskite solar cells
Bakr, Z. H., Wali, Q., Fakharuddin, A., Schmidt-Mende, L., Brown, T. M., & Jose, R. (2017) · Nano Energy · doi:10.1016/j.nanoen.2017.02.025 · Cited by 455
A Review of Inorganic Hole Transport Materials for Perovskite Solar Cells
Kung, P., Li, M., Lin, P., Chiang, Y., Chan, C., Guo, T., & Chen, P. (2018) · Advanced Materials Interfaces · doi:10.1002/admi.201800882 · Cited by 293
Najafi, L., Taheri, B., Martín-García, B., Bellani, S., Di Girolamo, D., Agresti, A., Oropesa-Nuñez, R., Pescetelli, S., Vesce, L., Calabrò, E., et al. (2018) · ACS Nano · doi:10.1021/acsnano.8b05514 · Cited by 264
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Metadata
- Authors
- Agresti, A., Pescetelli, S., Taheri, B., Del Rio Castillo, A. E., Cinà, L., Bonaccorso, F., & Di Carlo, A.
- Venue
- ChemSusChem
- Publisher
- Wiley
- Published
- 2016-09-15
- Volume
- 9
- Issue
- 18
- Pages
- 2609-2619
- ISSN
- 1864-5631 (ISSN-L)
- 1864-564X
- OpenAlex
- W2519263829
- Cited by
- 200
- References
- 1
- FWCI
- 12.65
- Type
- journal article
- Language
- en
- Open access
- green
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- Agresti, A., Pescetelli, S., Taheri, B., Del Rio Castillo, A. E., Cinà, L., Bonaccorso, F., & Di Carlo, A. (2016). Graphene–Perovskite Solar Cells Exceed 18 % Efficiency: A Stability Study. ChemSusChem. https://doi.org/10.1002/cssc.201600942
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