Understanding and decoupling the role of wavelength and defects in light-induced degradation of metal-halide perovskites

Hieulle, Jeremy; Krishna, Anurag; Boziki, Ariadni; Audinot, Jean-Nicolas; Farooq, Muhammad Uzair; Machado, Joana Ferreira; Mladenović, Marko; Phirke, Himanshu; Singh, Ajay; Wirtz, Tom; Tkatchenko, Alexandre; Graetzel, Michael; Hagfeldt, Anders; Redinger, Alex

doi:10.1039/d3ee03511e

Energy Environ. Sci.

2024

DOI: 10.1039/d3ee03511e

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Understanding and decoupling the role of wavelength and defects in light-induced degradation of metal-halide perovskites

Jeremy Hieulle,

Anurag Krishna,

Ariadni Boziki

et al.

Abstract: Light-induced degradation in metal halide perovskites is a major concern that can potentially hamper the commercialization of perovskite optoelectronic devices.

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Cited by 7 publications

References 60 publications

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Scanning Probe Microscopy of Halide Perovskite Solar Cells

Lee,

Wang,

Zhang

et al. 2024

Advanced Materials

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Scanning probe microscopy (SPM) has enabled significant new insights into the nanoscale and microscale properties of solar cell materials and underlying working principles of photovoltaic and optoelectronic technology. Various SPM modes, including atomic force microscopy, Kelvin probe force microscopy, conductive atomic force microscopy, piezoresponse force microscopy, and scanning near‐field optical microscopy, can be used for the investigation of electrical, optical and chemical properties of associated functional materials. A large body of work has improved the understanding of solar cell device processing and synthesis in close synergy with SPM investigations in recent years. This review provides an overview of SPM measurement capabilities and attainable insight with a focus on recently widely investigated halide perovskite materials.

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Scanning Probe Microscopy of Halide Perovskite Solar Cells

Lee,

Wang,

Zhang

et al. 2024

Advanced Materials

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Uncovering the Nanoscopic Humidity Ingression in Multifunctional Addivated Halide Perovskites

Kazim,

Huang,

Haris

et al. 2024

Advanced Energy Materials

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Sulfur‐based multifunctional additives are attractive for increasing not only the device power conversion efficiency but also the moisture stability of perovskite solar cells. The stability of the device against external and internal stress plays a pivotal role in the commercial endeavor of emerging technologies such as perovskite photovoltaics. However, the potential of sulfur‐based additives remains largely unexplored for perovskite solar cell fabrication. Here, a mechanism is deduced for the local nanoscopic humidity ingression into a multifunctional additiviated formamidinium‐loaded halide perovskites. By tuning the iodide and bromide tails of the additives, the influence of sulfur heteroatom containing ammonium‐amidinium salts on the photo‐physical and device properties of a formamidinium‐rich perovskite absorber is uncovered. In addition, the process of strong water adsorption is excluded through the proton‐migration mechanism, thereby significantly improving the moisture resistance of perovskite films. The high crystallinity and long lifetime decay allow a higher PCE of 25.14% to be achieved compared to the control at 22.49%, along with improved long‐term stability by retaining 99.6% of the initial PCE after 1000 h.

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Antimony doping in A2ZnCl4 (A= Rb, Cs) metal halides enabling tunable near-infrared emission

Nie,

Yun,

Zhao

et al. 2024

Journal of Luminescence

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Understanding and decoupling the role of wavelength and defects in light-induced degradation of metal-halide perovskites

Abstract: Light-induced degradation in metal halide perovskites is a major concern that can potentially hamper the commercialization of perovskite optoelectronic devices.

Cited by 7 publications

References 60 publications

Scanning Probe Microscopy of Halide Perovskite Solar Cells

Scanning Probe Microscopy of Halide Perovskite Solar Cells

Uncovering the Nanoscopic Humidity Ingression in Multifunctional Addivated Halide Perovskites

Antimony doping in A2ZnCl4 (A= Rb, Cs) metal halides enabling tunable near-infrared emission

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