Impact of Encapsulation Processing Conditions on Degradation Mechanisms of Carbon-Based Perovskite Solar Cells

IF 2.5 3区工程技术 Q3 ENERGY & FUELS

IEEE Journal of Photovoltaics Pub Date : 2025-02-06 DOI:10.1109/JPHOTOV.2025.3533909

Nikoleta Kyranaki;Cynthia Farha;Lara Perrin;Lionel Flandin;Emilie Planès;Lukas Wagner;David Martineau;Stéphane Cros

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Abstract

Perovskite photovoltaic (PV) cells have achieved a record 26.7% efficiency, but improvements in stability against humidity, temperature shifts, and light exposure remain crucial. In this work, we explored mesoporous carbon-based perovskite (c-PSC) devices because of carbon's stability and the elimination of a heat-sensitive hole transport layer. Encapsulation materials exhibiting promising properties with silicon PV, including a thermoplastic polyolefin encapsulant, were applied under different lamination conditions to investigate the impact on c-PSC devices’ durability, which is a novel study for this specific combination of materials. Inadequate curing can compromise adhesion, reduce moisture resistance, and accelerate perovskite decomposition under light exposure. Increasing the lamination temperature by 20 °C allowed samples to withstand 1000 h of damp-heat conditions, with a 30% reduction in efficiency, while lower temperature lamination caused immediate performance drops. While light exposure remained highly degrading, higher lamination temperatures delayed damage, preserving 2.5% of the initial power conversion efficiency after 400 h of aging and slowing perovskite decomposition.

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封装工艺条件对碳基钙钛矿太阳能电池降解机理的影响

钙钛矿光伏（PV）电池的效率达到了创纪录的26.7%，但在湿度、温度变化和光照下的稳定性改进仍然至关重要。在这项工作中，我们探索了介孔碳基钙钛矿（c-PSC）器件，因为碳的稳定性和消除了热敏空穴传输层。采用热塑性聚烯烃包封剂等具有良好性能的硅光伏封装材料，在不同的层压条件下研究了对c-PSC器件耐久性的影响，这是一项针对这种特定材料组合的新颖研究。不适当的固化会损害附着力，降低抗湿性，并加速钙钛矿在光照下的分解。将层压温度提高20°C，样品可以承受1000小时的湿热条件，效率降低30%，而较低温度层压会立即导致性能下降。虽然光暴露仍然是高度降解的，但较高的层压温度延迟了损伤，在老化400 h后保留了2.5%的初始功率转换效率，并减缓了钙钛矿的分解。

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来源期刊

IEEE Journal of Photovoltaics ENERGY & FUELS-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

7.00

自引率

10.00%

发文量

206

期刊介绍： The IEEE Journal of Photovoltaics is a peer-reviewed, archival publication reporting original and significant research results that advance the field of photovoltaics (PV). The PV field is diverse in its science base ranging from semiconductor and PV device physics to optics and the materials sciences. The journal publishes articles that connect this science base to PV science and technology. The intent is to publish original research results that are of primary interest to the photovoltaic specialist. The scope of the IEEE J. Photovoltaics incorporates: fundamentals and new concepts of PV conversion, including those based on nanostructured materials, low-dimensional physics, multiple charge generation, up/down converters, thermophotovoltaics, hot-carrier effects, plasmonics, metamorphic materials, luminescent concentrators, and rectennas; Si-based PV, including new cell designs, crystalline and non-crystalline Si, passivation, characterization and Si crystal growth; polycrystalline, amorphous and crystalline thin-film solar cell materials, including PV structures and solar cells based on II-VI, chalcopyrite, Si and other thin film absorbers; III-V PV materials, heterostructures, multijunction devices and concentrator PV; optics for light trapping, reflection control and concentration; organic PV including polymer, hybrid and dye sensitized solar cells; space PV including cell materials and PV devices, defects and reliability, environmental effects and protective materials; PV modeling and characterization methods; and other aspects of PV, including modules, power conditioning, inverters, balance-of-systems components, monitoring, analyses and simulations, and supporting PV module standards and measurements. Tutorial and review papers on these subjects are also published and occasionally special issues are published to treat particular areas in more depth and breadth.