Two-step preparation of methylammonium lead triiodide perovskite film via electrospray deposition of methylammonium iodide solution for solar cell applications

IF 2.4 4区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Current Applied Physics Pub Date : 2024-07-10 DOI:10.1016/j.cap.2024.07.004

Nahyun Kim, Jaewon Ahn, Moonseok Ko, Seungsun Choi, Wonsik Kim, Woojin Shin, Sehyun Jung, Hyesung Oh, Muntae Hwang, Mee-Yi Ryu, Hyunbok Lee

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Abstract

Solution-processable perovskite solar cells (PSCs) have the potential to revolutionize solar cell technology by enabling low power generation costs via low-cost device fabrication. However, most existing research regarding PSCs relies on the spin-coating method, which is not conducive to large-area film deposition. Therefore, the development of an alternative deposition method for perovskite films has become increasingly important for commercialization, for which electrospray deposition is a promising technique. This study investigates the two-step preparation of methylammonium lead triiodide (MAPbI₃) perovskite films via the electrospray deposition of a methylammonium iodide (MAI) solution on a spin-coated PbI₂ film. The gradual conversion of PbI₂ to MAPbI₃ with increasing MAI deposition time was revealed, accompanied by an increase in the size of the perovskite crystals. In addition, PSCs were successfully fabricated by electrospraying MAI, achieving a considerable power conversion efficiency of 7.86 % at the optimal MAI deposition time.

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通过电喷雾沉积碘化甲铵溶液分两步制备用于太阳能电池的三碘化甲铵铅包晶薄膜

可溶液加工的过氧化物太阳能电池（PSCs）通过低成本的设备制造实现了低发电成本，从而有望彻底改变太阳能电池技术。然而，现有的大多数有关 PSC 的研究都依赖于旋涂法，这种方法不利于大面积薄膜沉积。因此，开发一种可供选择的过氧化物薄膜沉积方法对于实现商业化越来越重要，而电喷雾沉积是一种很有前景的技术。本研究通过在旋涂 PbI2 薄膜上电喷雾沉积甲基碘化铵（MAI）溶液，分两步制备甲基碘化铵铅（MAPbI3）包晶石薄膜。结果表明，随着 MAI 沉积时间的增加，PbI2 逐渐转化为 MAPbI3，同时包晶晶体的尺寸也在增大。此外，通过电喷雾 MAI 成功制造出了 PSC，在最佳 MAI 沉积时间内实现了 7.86% 的可观功率转换效率。

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来源期刊

Current Applied Physics 物理-材料科学：综合

CiteScore

4.80

自引率

0.00%

发文量

213

审稿时长

33 days

期刊介绍： Current Applied Physics (Curr. Appl. Phys.) is a monthly published international journal covering all the fields of applied science investigating the physics of the advanced materials for future applications. Other areas covered: Experimental and theoretical aspects of advanced materials and devices dealing with synthesis or structural chemistry, physical and electronic properties, photonics, engineering applications, and uniquely pertinent measurement or analytical techniques. Current Applied Physics, published since 2001, covers physics, chemistry and materials science, including bio-materials, with their engineering aspects. It is a truly interdisciplinary journal opening a forum for scientists of all related fields, a unique point of the journal discriminating it from other worldwide and/or Pacific Rim applied physics journals. Regular research papers, letters and review articles with contents meeting the scope of the journal will be considered for publication after peer review. The Journal is owned by the Korean Physical Society.