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Minimizing non-radiative recombination losses in perovskite solar cells

Luo, Deying, Su, Rui, Zhang, Wei, Gong, Qihuang and Zhu, Rui (2019) Minimizing non-radiative recombination losses in perovskite solar cells Nature Reviews Materials, 5. pp. 44-60.

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Photovoltaic solar cells based on metal halide perovskites have gained considerable attention over the past decade because of their potentially low production cost, earth-abundant raw materials, ease of fabrication and ever-increasing power conversion efficiencies of up to 25.2%. This type of solar cells offers the promise of generating electricity at a more competitive unit price than traditional fossil fuels by 2035. Nevertheless, the best research cell efficiencies are still below the theoretical limit defined by the Shockley-Queissier theory owing to the presence of non-radiative recombination losses. In this Review, we analyse the predominant pathways that contribute to non-radiative recombination losses in perovskite solar cells, and evaluate their impact on device performance. We then discuss how non-radiative recombination losses can be estimated through reliable characterization techniques, and highlight some notable advances in mitigating these losses, which hint at pathways towards defect-free perovskite solar cells. Finally, we outline directions for future work that will push the efficiency of perovskite solar cells towards the radiative limit.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Luo, Deying
Su, Rui
Gong, Qihuang
Zhu, Rui
Date : 19 November 2019
Grant Title : EPSRC New Investigator Award
Depositing User : James Marshall
Date Deposited : 03 Feb 2020 16:02
Last Modified : 03 Feb 2020 16:02

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