Laminated Carbon Based Flexible Printed Perovskite Solar Cells Passivated with Tin(II) Phthalocyanine

IF 4.3 3区材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Advanced Materials Interfaces Pub Date : 2025-01-29 DOI:10.1002/admi.202400591

Nursultan Mussakhanuly, Yerassyl Yerlanuly, Hryhorii P. Parkhomenko, Adiya Niyetullayeva, Aidana K. Azamat, Assanali Sultanov, Zarina Kukhayeva, Annie Ng, Askhat N. Jumabekov

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Abstract

Production scalability, efficiency, and stability challenges continue to impede the commercial viability of perovskite solar cells (PSCs). In this study, a multifunctional passivation technique is introduced, designed to enhance the efficiency and stability of printable, air-processed PSCs with laminated carbon electrodes. This findings indicate that tin(II) phthalocyanine (SnPC) molecules act as an interfacial layer between the absorber and the hole-transporting layer (HTL), effectively passivating surface trap states and facilitating hole extraction. Optimal SnPC surface treatment reduces the trap density in the perovskite layer from 2.1 × 10¹⁵ to 1.5 × 10¹⁵ cm⁻³, increases carrier mobility (from 2.7 × 10⁻³ to 2.8 × 10⁻³ cm² Vs⁻¹), and extends carrier lifetime. SEM, AFM, EDS, and XPS analyses confirm the presence of SnPC on the perovskite layer surface and its influence on surface morphology. Devices treated with an optimal SnPC concentration exhibit significant efficiency improvements, from 6.4% to 8.5%, along with a threefold increase in photo-stability. Thus, SnPC may serve as a passivating buffer layer for the perovskite surface, offering protection against photo-degradation.

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用锡（II）酞菁钝化层压碳基柔性印刷钙钛矿太阳能电池

生产可扩展性、效率和稳定性方面的挑战继续阻碍着钙钛矿太阳能电池（PSCs）的商业可行性。在这项研究中，介绍了一种多功能钝化技术，旨在提高具有层压碳电极的可打印，空气处理psc的效率和稳定性。研究结果表明，锡（II）酞菁（SnPC）分子作为吸收剂和空穴传输层（HTL）之间的界面层，有效钝化表面陷阱态，促进空穴提取。最佳SnPC表面处理将钙钛矿层中的陷阱密度从2.1 × 1015降低到1.5 × 1015 cm−3，增加载流子迁移率（从2.7 × 10−3增加到2.8 × 10−3 cm2 Vs−1），并延长载流子寿命。SEM， AFM， EDS和XPS分析证实了SnPC在钙钛矿层表面的存在及其对表面形貌的影响。用最佳SnPC浓度处理的器件表现出显著的效率提高，从6.4%提高到8.5%，同时光稳定性提高了三倍。因此，SnPC可以作为钙钛矿表面的钝化缓冲层，提供防止光降解的保护。

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来源期刊

Advanced Materials Interfaces CHEMISTRY, MULTIDISCIPLINARY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

8.40

自引率

5.60%

发文量

1174

审稿时长

1.3 months

期刊介绍： Advanced Materials Interfaces publishes top-level research on interface technologies and effects. Considering any interface formed between solids, liquids, and gases, the journal ensures an interdisciplinary blend of physics, chemistry, materials science, and life sciences. Advanced Materials Interfaces was launched in 2014 and received an Impact Factor of 4.834 in 2018. The scope of Advanced Materials Interfaces is dedicated to interfaces and surfaces that play an essential role in virtually all materials and devices. Physics, chemistry, materials science and life sciences blend to encourage new, cross-pollinating ideas, which will drive forward our understanding of the processes at the interface. Advanced Materials Interfaces covers all topics in interface-related research: Oil / water separation, Applications of nanostructured materials, 2D materials and heterostructures, Surfaces and interfaces in organic electronic devices, Catalysis and membranes, Self-assembly and nanopatterned surfaces, Composite and coating materials, Biointerfaces for technical and medical applications. Advanced Materials Interfaces provides a forum for topics on surface and interface science with a wide choice of formats: Reviews, Full Papers, and Communications, as well as Progress Reports and Research News.