Rationally Designed Eco‐Friendly Solvent System for High‐Performance, Large‐Area Perovskite Solar Cells and Modules

Kim, Young Yun; Bang, Sumi; Im, Jino; Kim, Geunjin; Yoo, Jason J.; Park, Eun Young; Song, Seulki; Jeon, Nam Joong; Seo, Jangwon

doi:10.1002/advs.202300728

Cited by 11 publications

(1 citation statement)

References 27 publications

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“…However, the use of DMSO in the perovskite ink does not guarantee a high level of reproducibility and a sufficient processing window when the film is fabricated in a less-controlled environment with a wide range of relative humidity and temperature. There are only a few reports that meet both the environmentally friendly and tolerant fabrication requirements in which methylamine formate and methylsulfonylmethane were used instead of DMSO [ 65 , 66 ].…”

Section: Discussionmentioning

confidence: 99%

Recent progress of eco-friendly manufacturing process of efficient perovskite solar cells

Kwon

Lee

et al. 2023

Nano Convergence

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Perovskite solar cells (PSCs) have the potential to produce solar energy at a low cost, with flexibility, and high power conversion efficiency (PCE). However, there are still challenges to be addressed before mass production of PSCs, such as prevention from degradation under external stresses and the uniform, large-area formation of all layers. Among them, the most challenging aspect of mass production of PSCs is creating a high-quality perovskite layer using environmentally sustainable processes that are compatible with industry standards. In this review, we briefly introduce the recent progresses upon eco-friendly perovskite solutions/antisolvents and film formation processes. The eco-friendly production methods are categorized into two: (1) employing environmentally friendly solvents for perovskite precursor ink/solution, and (2) replacing harmful, volatile antisolvents or even limiting their use during the perovskite film formation process. General considerations and criteria for each category are provided, and detailed examples are presented, specifically focused on the works have done since 2021. In addition, the importance of controlling the crystallization behavior of the perovskite layer is highlighted to develop antisolvent-free perovskite formation methods. Graphical Abstract

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Section: Discussionmentioning

confidence: 99%

Recent progress of eco-friendly manufacturing process of efficient perovskite solar cells

Kwon

Lee

et al. 2023

Nano Convergence

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Rationally Designed Eco‐Friendly Solvent System for High‐Performance, Large‐Area Perovskite Solar Cells and Modules

Kim

Bang

et al. 2023

Advanced Science

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The important but remained issue to be addressed to achieve the mass production of perovskite solar modules include a large-area fabrication of high-quality perovskite film with eco-friendly, viable production methods. Although several efforts are made to achieve large-area fabrication of perovskite, the development of eco-friendly solvent system, which is precisely designed to be fit to scale-up methods are still challenging. Herein, this work develops the eco-friendly solvent/co-solvent system to produce a high-quality perovskite layer with a bathing in eco-friendly antisolvent. The new co-solvent/additive, methylsulfonylmethane (MSM), efficiently improves the overall solubility and has a suitable binding strength to the perovskite precursor, resulting in a high-quality perovskite film with antisolvent bathing method in large area. The resultant perovskite solar cells showed high power conversion efficiency of over 24% (in reverse scan), with a good long-term stability under continuous light illumination or damp-heat condition. MSM is also beneficial to produce a perovskite layer at low-temperature or high-humidity. MSM-based solvent system is finally applied to large-area, resulting in highly efficiency perovskite solar modules with PCE of 19.9% (by aperture) or 21.2% (by active area) in reverse scan. These findings contribute to step forward to a mass production of perovskite solar modules with eco-friendly way.

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Facile Tailoring of Metal‐Organic Frameworks for Förster Resonance Energy Transfer‐Driven Enhancement in Perovskite Photovoltaics

Liang,

Xia,

Xiang

et al. 2024

Advanced Science

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Förster resonance energy transfer (FRET) has demonstrated its potential to enhance the light energy utilization ratio of perovskite solar cells by interacting with metal‐organic frameworks (MOFs) and perovskite layers. However, comprehensive investigations into how MOF design and synthesis impact FRET in perovskite systems are scarce. In this work, nanoscale HIAM‐type Zr‐MOF (HIAM‐4023, HIAM‐4024, and HIAM‐4025) is meticulously tailored to evaluate FRET's existence and its influence on the perovskite photoactive layer. Through precise adjustments of amino groups and acceptor units in the organic linker, HIAM‐MOFs are synthesized with the same topology, but distinct photoluminescence (PL) emission properties. Significant FRET is observed between HIAM‐4023/HIAM‐4024 and the perovskite, confirmed by spectral overlap, fluorescence lifetime decay, and calculated distances between HIAM‐4023/HIAM‐4024 and the perovskite. Conversely, the spectral overlap between the PL emission of HIAM‐4025 and the perovskite's absorption spectrum is relatively minimal, impeding the energy transfer from HIAM‐4025 to the perovskite. Therefore, the HIAM‐4023/HIAM‐4024‐assisted perovskite devices exhibit enhanced EQE via FRET processes, whereas the HIAM‐4025 demonstrates comparable EQE to the pristine. Ultimately, the HIAM‐4023‐assisted perovskite device achieves an enhanced power conversion efficiency (PCE) of 24.22% compared with pristine devices (PCE of 22.06%) and remarkable long‐term stability under ambient conditions and continuous light illumination.

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Rationally Designed Eco‐Friendly Solvent System for High‐Performance, Large‐Area Perovskite Solar Cells and Modules

Cited by 11 publications

References 27 publications

Recent progress of eco-friendly manufacturing process of efficient perovskite solar cells

Recent progress of eco-friendly manufacturing process of efficient perovskite solar cells

Rationally Designed Eco‐Friendly Solvent System for High‐Performance, Large‐Area Perovskite Solar Cells and Modules

Facile Tailoring of Metal‐Organic Frameworks for Förster Resonance Energy Transfer‐Driven Enhancement in Perovskite Photovoltaics

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