An improved galvanic replacement deposition method for synthesis of compact palladium coatings on copper substrates | |
Department | 先进润滑与防护材料研究发展中心 |
Zhang XK(张兴凯); Zhou Y(周妍); Zhang B(张斌); Zhang JY(张俊彦); Zhang JY(张俊彦) | |
2017 | |
Source Publication | Materials Letters |
ISSN | 0167-577X |
Volume | 197Pages:75-78 |
Abstract | Although copper has a lower redox potential than palladium, it is hard to prepare compact and uniform palladium coatings on copper substrates via galvanic replacement reactions. In this work, an improved galvanic replacement method was developed to achieve facile synthesis of compact palladium coatings on copper substrates in the presence of coupled aluminum foils. The aluminum foils played an important role in donating electrons for palladium deposition instead of copper substrates. The SEM, EDS and XRD results revealed the deposited coatings showed homogeneous surface morphology and were composed of pure palladium. The obtained palladium coatings had good oxidation resistance, and could maintain the silver-white appearance after annealed at 200 ℃ for 10 min. The palladium coatings became denser owing to the sintering effect of thermal treatment, and therefore possessed lower corrosion current density in 3.5 wt% NaCl solution in the electrochemical experiments. |
Keyword | Palladium Deposition Thin Films Galvanic Replacement Electrochemical Tests |
Subject Area | 功能防护材料 |
DOI | 10.1016/j.matlet.2017.03.119 |
Funding Organization | the National High-tech R&D Program (2015AA034602) |
Indexed By | SCI |
If | 2.572 |
Language | 英语 |
Funding Project | 纳米润滑研究组 |
compositor | 第一作者单位 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.licp.cn/handle/362003/22218 |
Collection | 中国科学院材料磨损与防护重点实验室/先进润滑与防护材料研究发展中心 |
Corresponding Author | Zhang JY(张俊彦) |
Affiliation | R&D Center of Lubrication and Protecting Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China |
Recommended Citation GB/T 7714 | Zhang XK,Zhou Y,Zhang B,et al. An improved galvanic replacement deposition method for synthesis of compact palladium coatings on copper substrates[J]. Materials Letters,2017,197:75-78. |
APA | Zhang XK,Zhou Y,Zhang B,Zhang JY,&张俊彦.(2017).An improved galvanic replacement deposition method for synthesis of compact palladium coatings on copper substrates.Materials Letters,197,75-78. |
MLA | Zhang XK,et al."An improved galvanic replacement deposition method for synthesis of compact palladium coatings on copper substrates".Materials Letters 197(2017):75-78. |
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