Lamination methods for the fabrication of perovskite and organic photovoltaics

Ghaffari, Aliakbar; Saki, Zahra; Taghavinia, Nima; Byranvand, Mahdi Malekshahi; Saliba, Michael

doi:10.1039/d2mh00671e

Cited by 7 publications

(4 citation statements)

References 182 publications

(298 reference statements)

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“…Vacuum lamination process typically consists of vacuum evacuation followed with thermocompression, wherein the short-term high temperature and mechanical pressure during thermocompression are known to have significant impacts on PSCs. [18] Since perovskite layer is the most fragile component within PSCs, [19][20][21] studying how thermocompression affects the perovskite is necessary. We fabricated the FA 0.95 Cs 0.05 PbI 3 perovskite films by the two-step method with high device reproducibility to investigate the impact of thermocompression on perovskite.…”

Section: The Impact Of Thermocompression On Perovskite Films and Devicesmentioning

confidence: 99%

Nondestructive Single‐Glass Vacuum Lamination Encapsulation for Perovskite Solar Cells with Long‐Term Stability

Tang,

Ma,

et al. 2023

Solar RRL

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Vacuum lamination encapsulation is widely adopted to prolong the duration of perovskite solar cells (PSCs) in real operation. However, additional encapsulant along with rigorous processing conditions leads to severe power conversion efficiency (PCE) loss to the corresponding devices. Herein, thermal and optical simulations and experiments are combined, to analyze the mechanisms for device failure during vacuum lamination. Single‐glass encapsulation structure is proposed, which exhibits enhanced thermal conductivity, ensuring thorough and homogeneous melting of the encapsulant during the lamination process. This effectively mitigates delamination within the module and reduces parasitic photocurrent losses in the PSC device after encapsulation. Notably, the single‐glass encapsulation devices retain 88% of their initial PCE after 1000 h damp heat test and successfully pass the thermal cycling standard (IEC 61 215:2016) with 95% retention of initial PCE after 250 cycles.

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Section: The Impact Of Thermocompression On Perovskite Films and Devicesmentioning

confidence: 99%

Nondestructive Single‐Glass Vacuum Lamination Encapsulation for Perovskite Solar Cells with Long‐Term Stability

Tang,

Ma,

et al. 2023

Solar RRL

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“…Carbon-based perovskite solar cells (C-PSCs) have become well-known for their simple, cost-effective fabrication and impressive long-term stability. − Conventional conductive carbon materials, such as carbon black and graphite, known for their appropriate Fermi level (∼4.9–5.0 eV), chemical stability, and low cost, have been shown to purpose effectively as top electrodes in PSCs. − Therefore, replacing a carbon-based electrode for the evaporated precious metal electrode not only maintains high PSC efficiency but also enhances device stability while reducing fabrication and material costs.…”

Section: Introductionmentioning

confidence: 99%

Sustainable Planar Hole-Transporting Material-Free Carbon Electrode-Based Perovskite Solar Cells: Stability Beyond Two Years

Passatorntaschakorn,

Khampa,

Musikpan

et al. 2024

ACS Appl. Energy Mater.

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Past research demonstrating rapid increases in perovskite solar cells (PSCs) efficiency presented the challenge of achieving a balance between sustainability, efficiency, and cost for competitive commercialization. Current research focuses on effectively addressing these challenges. Conventional PSCs utilize hole-transporting materials (HTMs) and noble metal electrodes that are both unstable and costly, resulting in poor thermal stability and device instability. To overcome these issues, this study introduces unencapsulated planar HTM-free carbon-based PSCs (C-PSCs) fabricated through an all low-temperature process in ambient atmosphere conditions. The approach emphasizes simplicity and costeffectiveness, featuring a single electron transporting layer and a one-step process to fabricate a perovskite layer [Cs 0.17 FA 0.83 Pb(I 0.83 Br 0.17 ) 3 ]. Carbon films, prepared with an ethanol solvent interlacing method and heat-press transfer method, serve as both hole transporting layers and electrodes. This simplified architecture leverages carbon material properties, achieving the highest PCE of 11.09% and outstanding self-life stability over 2 years (∼20,000 h) without encapsulation. Surprisingly, thermal and humidity stability testing under double 85 conditions aging (85% RH, 85 °C) showed an average 90% efficiency drop after 100 h. The degradation acceleration factors, calculated based on observed humidity and temperature dependence, predict intrinsic lifetimes of 22,816 h (2.6 years) in ambient air. Moreover, the scalable technique is demonstrated in 1.00 cm 2 planar HTM-free C-PSCs on recycled FTO/TiO 2 -NPs substrates, showcasing remarkable performance under both 1 sun and LED illuminations. This approach reduces production costs, making PSCs renewable and sustainable, paving the way for cost-effective and eco-commercialized PSCs.

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“…Device prototyping occurs mostly by lamination in air, [22,23] a roll-to-roll (R2R) compatible method in which two separate device stacks are glued together at their photoactive layer (PAL) to render functionality. [24] PALs are deposited by blade coating, using slot-die coated PEDOT(PSS) layers as electrodes with an electron transport layer (ETL) added on the cathode side. These films are supported on flexible polyethylene terephthalate (PET) foil substrates and the devices are completed by lamination at their PALs.…”

Section: Introductionmentioning

confidence: 99%

Laminated Organic Photovoltaic Modules for Agrivoltaics and Beyond: An Outdoor Stability Study of All‐Polymer and Polymer:Small Molecule Blends

Rodríguez‐Martínez

Riera‐Galindo

Aguirre³

et al. 2022

Adv Funct Materials

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The integration of organic photovoltaic (OPV) modules on greenhouses is an encouraging practice to offset the energy demands of crop growth and provide extra functionality to dedicated farmland. Nevertheless, such OPV devices must meet certain optical and stability requirements to turn net zero energy greenhouse systems a reality. Here a donor:acceptor polymer blend is optimized for its use in laminated devices while matching the optical needs of crops. Optical modeling is performed and a greenhouse figure-of-merit is introduced to benchmark the trade-off between photovoltaic performance and transparency for both chloroplasts and humans. Balanced donor:acceptor ratios result in better-performing and more thermally stable devices than acceptor-enriched counterparts. The optimized polymer blend and state-of-theart polymer:small-molecule blends are next transferred to 25 cm 2 laminated modules processed entirely from solution and in ambient conditions. The modules are mounted on a greenhouse as standalone or 4-terminal tandem configurations and their outdoor stability is tracked for months. The study reveals degradation modes undetectable under laboratory conditions such as module delamination, which accounts for 10-20% loss in active area. Among the active layers tested, polymer:fullerene blends are the most stable and position as robust light harvesters in future building-integrated OPV systems.

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Lamination methods for the fabrication of perovskite and organic photovoltaics

Abstract: Perovskite solar cells (PSCs) have shown rapid progress in a decade of extensive research and development, reaching very close to commercialization. However, still developing more facial, reliable, and reproducible manufacturing...

Cited by 7 publications

References 182 publications

Nondestructive Single‐Glass Vacuum Lamination Encapsulation for Perovskite Solar Cells with Long‐Term Stability

Nondestructive Single‐Glass Vacuum Lamination Encapsulation for Perovskite Solar Cells with Long‐Term Stability

Sustainable Planar Hole-Transporting Material-Free Carbon Electrode-Based Perovskite Solar Cells: Stability Beyond Two Years

Laminated Organic Photovoltaic Modules for Agrivoltaics and Beyond: An Outdoor Stability Study of All‐Polymer and Polymer:Small Molecule Blends

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