Effect of thickness on the performance of sputtering deposited niobium-doped indium tin oxide transparent electrodes for perovskite solar cells

IF 4.2 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Optical Materials Pub Date : 2025-08-30 DOI:10.1016/j.optmat.2025.117457

Wenlong Ji , Ruixin Ma , Shina Li , Haojie Sun , Yanran Li , Kang Li

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Abstract

Transparent electrodes made from indium tin oxide (ITO) show great promise for use in high-efficiency and stable perovskite solar cells (PSCs). Nevertheless, improving the performance of ITO is crucial for enhancing the stability and efficiency of PSCs. In this work, transparent electrodes of varying thicknesses were made by depositing Niobium-doped ITO (ITO:Nb) using magnetron sputtering, and their impact on PSCs performance was investigated. We adjusted the film thickness and found that the ITO:Nb film with a thickness of 180 nm demonstrated excellent photoelectric performance, achieving 84.73 % average transmittance in the visible region and a sheet resistance of 23.67 Ω/sq. Corresponding PSCs using ITO:Nb electrodes achieved 21.15 % power conversion efficiency (PCE) with exceptional stability, retaining 85.49 % of initial PCE after 64 days at ambient aging. Our work provides a method to optimize the ITO transparent electrode and opens the way for the development of transparent electrodes in the future.

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厚度对钙钛矿太阳能电池溅射沉积掺铌铟锡氧化物透明电极性能的影响

由氧化铟锡（ITO）制成的透明电极在高效稳定的钙钛矿太阳能电池（PSCs）中具有很大的应用前景。然而，提高ITO的性能对于提高psc的稳定性和效率至关重要。本文采用磁控溅射法制备了不同厚度的掺杂铌的ITO （ITO:Nb）透明电极，并研究了其对psc性能的影响。我们调整薄膜厚度，发现厚度为180 nm的ITO:Nb薄膜具有优异的光电性能，在可见光区平均透过率为84.73%，片电阻为23.67 Ω/sq。使用ITO:Nb电极的相应psc具有21.15%的功率转换效率（PCE），并且具有出色的稳定性，在环境老化64天后保持了初始PCE的85.49%。我们的工作提供了一种优化ITO透明电极的方法，为未来透明电极的发展开辟了道路。

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来源期刊

Optical Materials 工程技术-材料科学：综合

CiteScore

6.60

自引率

12.80%

发文量

1265

审稿时长

38 days

期刊介绍： Optical Materials has an open access mirror journal Optical Materials: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. The purpose of Optical Materials is to provide a means of communication and technology transfer between researchers who are interested in materials for potential device applications. The journal publishes original papers and review articles on the design, synthesis, characterisation and applications of optical materials. OPTICAL MATERIALS focuses on: • Optical Properties of Material Systems; • The Materials Aspects of Optical Phenomena; • The Materials Aspects of Devices and Applications. Authors can submit separate research elements describing their data to Data in Brief and methods to Methods X.