揭示用放大沉积方法制造的 2PACz 自组装单层的形态和能量特性

IF 13 2区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Silvia Mariotti, Ilhem Nadia Rabehi, Congyang Zhang, Xiaomin Huo, Jiahao Zhang, Penghui Ji, Tianhao Wu, Tongtong Li, Shuai Yuan, Xiaomin Liu, Ting Guo, Chenfeng Ding, Hengyuan Wang, Annalisa Bruno, Luis K. Ono, Yabing Qi
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引用次数: 0

摘要

自组装单层膜(SAM)作为空穴传输材料被广泛应用于倒置过氧化物太阳能电池中,具有低寄生吸收和适用于半透明及串联太阳能电池的特点。虽然 SAMs 在小面积器件(≤1 cm2)中显示出良好的应用前景,但由于缺乏对普通旋涂法以外的其他沉积方法的了解,其在大面积器件中的应用一直受到限制。在这里,我们比较了[2-(9H-咔唑-9-基)乙基]膦酸 (2PACz)(最常见的咔唑基 SAMs 之一)的旋涂法和热蒸发及喷涂等可升级方法。我们研究了这些沉积方法对器件性能的影响,发现喷涂技术能产生更高的器件性能。此外,我们的工作还为用于制造过氧化物太阳能模块的 SAM 材料的沉积提供了指导。此外,我们还对 2PACz 薄膜进行了广泛的表征,重点研究了热蒸发和喷涂方法,这两种方法可实现更厚的 2PACz 沉积。研究发现,与最高设备性能相对应的最佳 2PACz 沉积条件并不总是与单层特性相关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Unraveling the Morphological and Energetic Properties of 2PACz Self-Assembled Monolayers Fabricated With Upscaling Deposition Methods

Unraveling the Morphological and Energetic Properties of 2PACz Self-Assembled Monolayers Fabricated With Upscaling Deposition Methods
Self-assembled monolayers (SAMs) are widely used as hole transport materials in inverted perovskite solar cells, offering low parasitic absorption and suitability for semitransparent and tandem solar cells. While SAMs have shown to be promising in small-area devices (≤1 cm2), their application in larger areas has been limited by a lack of knowledge regarding alternative deposition methods beyond the common spin-coating approach. Here, we compare spin-coating and upscalable methods such as thermal evaporation and spray-coating for [2-(9H-carbazol-9-yl)ethyl]phosphonic acid (2PACz), one of the most common carbazole-based SAMs. The impact of these deposition methods on the device performance is investigated, revealing that the spray-coating technique yields higher device performance. Furthermore, our work provides guidelines for the deposition of SAM materials for the fabrication of perovskite solar modules. In addition, we provide an extensive characterization of 2PACz films focusing on thermal evaporation and spray-coating methods, which allow for thicker 2PACz deposition. It is found that the optimal 2PACz deposition conditions corresponding to the highest device performances do not always correlate with the monolayer characteristics.
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来源期刊
Energy & Environmental Materials
Energy & Environmental Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
17.60
自引率
6.00%
发文量
66
期刊介绍: Energy & Environmental Materials (EEM) is an international journal published by Zhengzhou University in collaboration with John Wiley & Sons, Inc. The journal aims to publish high quality research related to materials for energy harvesting, conversion, storage, and transport, as well as for creating a cleaner environment. EEM welcomes research work of significant general interest that has a high impact on society-relevant technological advances. The scope of the journal is intentionally broad, recognizing the complexity of issues and challenges related to energy and environmental materials. Therefore, interdisciplinary work across basic science and engineering disciplines is particularly encouraged. The areas covered by the journal include, but are not limited to, materials and composites for photovoltaics and photoelectrochemistry, bioprocessing, batteries, fuel cells, supercapacitors, clean air, and devices with multifunctionality. The readership of the journal includes chemical, physical, biological, materials, and environmental scientists and engineers from academia, industry, and policy-making.
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