Flexible transparent conducting electrodes unexpectedly influence MAPbI3 film morphology and perovskite solar cell performance

IF 6.3 2区材料科学 Q2 ENERGY & FUELS

Solar Energy Materials and Solar Cells Pub Date : 2025-05-17 DOI:10.1016/j.solmat.2025.113698

Bishal Bhandari , Justin C. Bonner , Cody R. Allen , Julia W.P. Hsu

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引用次数: 0

Abstract

Fabricating perovskite solar cells (PSCs) on plastic substrates will enable cost-effective manufacturing of lightweight and portable energy systems. Here, we study the influence of flexible transparent conductive electrodes (TCEs) on the methylammonium lead iodide (MAPbI₃) film morphology and PSC performance. Three types of TCEs on polyethylene terephthalate (PET) are compared: a custom-made AgNWs/indium zinc oxide hybrid TCE and two commercial substrates with indium tin oxide (ITO) or metal/insulator/metal (MIM) as the TCE. Using the same p-i-n architecture and hole transport layer (HTL), we find that PSCs fabricated on the hybrid TCE show better performance and stability compared to those made on commercial TCEs. The PSC performance enhancement is attributed to the superior structural and optical properties of MAPbI₃ film deposited on the hybrid TCE, which is explained by the surface energy difference of the HTL. While it is anticipated that solar cell performance can be affected by TCEs’ transmittance and sheet resistance as they determine light absorption and carrier transport, respectively, our finding of TCE influencing the morphology and crystallinity of MAPbI₃ film, and hence PSC performance, is unexpected.

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柔性透明导电电极意外影响MAPbI3薄膜形态和钙钛矿太阳能电池性能

在塑料基板上制造钙钛矿太阳能电池（PSCs）将使轻质便携式能源系统的制造具有成本效益。在这里，我们研究了柔性透明导电电极（TCEs）对甲基碘化铅（MAPbI3）薄膜形态和PSC性能的影响。在聚对苯二甲酸乙二醇酯（PET）上比较了三种类型的TCE：定制的AgNWs/铟锌氧化物杂化TCE和以氧化铟锡（ITO）或金属/绝缘体/金属（MIM）为TCE的两种商业衬底。使用相同的p-i-n结构和空穴传输层（html），我们发现在混合TCE上制造的PSCs比在商用TCE上制造的PSCs具有更好的性能和稳定性。PSC性能的增强是由于沉积在杂化TCE上的MAPbI3薄膜具有优越的结构和光学性能，这可以用HTL的表面能差来解释。虽然预计TCE的透射率和片电阻会影响太阳能电池的性能，因为它们分别决定光吸收和载流子输运，但我们发现TCE会影响MAPbI3薄膜的形态和结晶度，从而影响PSC的性能，这是出乎意料的。

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来源期刊

Solar Energy Materials and Solar Cells 工程技术-材料科学：综合

CiteScore

12.60

自引率

11.60%

发文量

513

审稿时长

47 days

期刊介绍： Solar Energy Materials & Solar Cells is intended as a vehicle for the dissemination of research results on materials science and technology related to photovoltaic, photothermal and photoelectrochemical solar energy conversion. Materials science is taken in the broadest possible sense and encompasses physics, chemistry, optics, materials fabrication and analysis for all types of materials.