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https://hdl.handle.net/10356/138048
Title: | Slow hot-carrier cooling in halide perovskites : prospects for hot-carrier solar cells | Authors: | Li, Mingjie Fu, Jianhui Xu, Qiang Sum, Tze Chien |
Keywords: | Science::Physics | Issue Date: | 2019 | Source: | Li, M., Fu, J., Xu, Q., & Sum, T. C. (2019). Slow hot‐carrier cooling in halide perovskites : prospects for hot‐carrier solar cells. Advanced Materials, 31(47), 1802486-. doi:10.1002/adma.201802486 | Project: | NTU Start-up Grant M4080514 JSPS-NTU Joint Research Project M4082176 RG173/16 MOE2015-T2-2-015 MOE2016-T2-1-034 NRF-CRP14-2014-03 NRF-NRFI-2018-04 |
Journal: | Advanced Materials | Abstract: | Rapid hot-carrier cooling is a major loss channel in solar cells. Thermodynamic calculations reveal a 66% solar conversion efficiency for single junction cells (under 1 sun illumination) if these hot carriers are harvested before cooling to the lattice temperature. A reduced hot-carrier cooling rate for efficient extraction is a key enabler to this disruptive technology. Recently, halide perovskites emerge as promising candidates with favorable hot-carrier properties: slow hot-carrier cooling lifetimes several orders of magnitude longer than conventional solar cell absorbers, long-range hot-carrier transport (up to ≈600 nm), and highly efficient hot-carrier extraction (up to ≈83%). This review presents the developmental milestones, distills the complex photophysical findings, and highlights the challenges and opportunities in this emerging field. A developmental toolbox for engineering the slow hot-carrier cooling properties in halide perovskites and prospects for perovskite hot-carrier solar cells are also discussed. | URI: | https://hdl.handle.net/10356/138048 | ISSN: | 0935-9648 | DOI: | 10.1002/adma.201802486 | Rights: | This is the peer reviewed version of the following article: Li, M., Fu, J., Xu, Q., & Sum, T. C. (2019). Slow hot‐carrier cooling in halide perovskites : prospects for hot‐carrier solar cells. Advanced Materials, 31(47), 1802486-, which has been published in final form at https://doi.org/10.1002/adma.201802486. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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Slow Hot Carrier Cooling in Halide Perovskites_Prospects for Hot Carrier Solar Cells.pdf | 7.62 MB | Adobe PDF | View/Open |
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