The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.
Surface Engineering of TiO2 ETL for Highly Efficient and Hysteresis‐Less Planar Perovskite Solar Cell (21.4%) with Enhanced Open‐Circuit Voltage and Stability
Open accessAbstract
Interfacial studies and band alignment engineering on the electron transport layer (ETL) play a key role for fabrication of high‐performance perovskite solar cells (PSCs). Here, an amorphous layer of SnO 2 (a‐SnO 2) between the TiO 2 ETL and the perovskite absorber is inserted and the charge transport properties of the device are studied. The double‐layer structure of TiO 2 compact layer (c‐TiO 2) and a‐SnO 2 ETL leads to modification of interface energetics, resulting in improved charge collection and decreased carrier recombination in PSCs. The optimized device based on a‐SnO 2/c‐TiO 2 ETL shows a maximum power conversion efficiency (PCE) of 21.4% as compared to 19.33% for c‐TiO 2 based device. Moreover, the modified device demonstrates a maximum open‐circuit voltage (Voc) of 1.223 V with 387 mV loss in potential, which is among the highest reported value for PSCs with negligible hysteresis. The stability results show that the device on c‐TiO 2/a‐SnO 2 retains about 91% of its initial PCE value after 500 h light illumination, which is higher than pure c‐TiO 2 (67%) based devices. Interestingly, using a‐SnO 2/c‐TiO 2 ETL the PCE loss was only 10% of initial value under continuous UV light illumination after 30 h, which is higher than that of c‐TiO 2 based device (28% PCE loss).
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Cited by
Cai, X., Zhang, Y., Shi, Z., Chen, Y., Xia, Y., Yu, A., Xu, Y., Xie, F., Shao, H., Zhu, H., et al. (2022) · Advanced Science · doi:10.1002/advs.202103648 · Cited by 84
Metadata
- Authors
- Tavakoli, M. M., Yadav, P., Tavakoli, R., & Kong, J.
- Venue
- Advanced Energy Materials
- Publisher
- Wiley
- Published
- 2018-05-28
- Volume
- 8
- Issue
- 23
- ISSN
- 1614-6832 (ISSN-L)
- 1614-6840
- OpenAlex
- W2805245450
- Cited by
- 325
- References
- 27
- FWCI
- 16.75
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Tavakoli, M. M., Yadav, P., Tavakoli, R., & Kong, J. (2018). Surface Engineering of TiO2 ETL for Highly Efficient and Hysteresis‐Less Planar Perovskite Solar Cell (21.4%) with Enhanced Open‐Circuit Voltage and Stability. Advanced Energy Materials. https://doi.org/10.1002/aenm.201800794
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