Electrodeposition of bright Al and Al-Mn coatings from AlCl<sub>3</sub>-EMIC ionic liquid

XUE Dongpeng; XU Bajin; CHEN Yiming; ZHANG Qiu; LING Guoping

doi:10.11949/j.issn.0438-1157.20141886

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Electrodeposition of bright Al and Al-Mn coatings from AlCl₃-EMIC ionic liquid

更新时间：2025-12-10

- Electrodeposition of bright Al and Al-Mn coatings from AlCl₃-EMIC ionic liquid
- CIESC Journal Issue S1, Pages: 282-286(2015)
- 作者机构：
  
  浙江大学材料科学与工程学系,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20141886
  CLC： Q153
- Online First：30 June 2015，
  
  Published：30 June 2015
- 稿件说明：
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XUE Dongpeng, XU Bajin, CHEN Yiming, et al. Electrodeposition of bright Al and Al-Mn coatings from AlCl₃-EMIC ionic liquid[J]. CIESC Journal, 2015, (S1): 282-286. DOI: 10.11949/j.issn.0438-1157.20141886.
DOI：

XUE Dongpeng, XU Bajin, CHEN Yiming, et al. Electrodeposition of bright Al and Al-Mn coatings from AlCl₃-EMIC ionic liquid[J]. CIESC Journal, 2015, (S1): 282-286. DOI: 10.11949/j.issn.0438-1157.20141886. DOI：

摘要

通过添加光亮剂

分别在AlCl3-氯化1-甲基3-乙基咪唑(AlCl3-EMIC)和MnCl2-AlCl3-EMIC离子液体中电沉积Al和Al-Mn镀层

重点研究了光亮剂对镀层形貌、结构以及光亮性的影响

探讨了镀层光亮的机理。采用扫描电镜(SEM)和X射线衍射(XRD)对镀层形貌和结构进行观察和分析

以镀层对图案的反射能力大小对光亮度进行表征。结果表明

添加光亮剂之后

可以电沉积出具有镜面光亮的Al和Al-Mn镀层

并且镀层的光亮度随光亮剂浓度的增加而增加。光亮Al镀层为具有择优取向生长的纳米晶体

而光亮Al-Mn则是纳米尺寸的非晶颗粒。镀层光亮的产生是由于光亮剂细化了Al晶粒和Al-Mn非晶颗粒

同时使Al晶体择优取向生长造成的。

Abstract

Electrodeposition of bright Al and Al-Mn were carried out in AlCl3-1-ethyl-3-methyl-imidazolium chloride (AlCl3-EMIC) and MnCl2-AlCl3-EMIC ionic liquid with additives. The effects of the additive on the morphology

structure and brightness of the coatings were studied. The mechanism of brightening was discussed. The morphologies and structures of the coatings were characterized by SEM and XRD

respectively. The brightness of the coatings were characterized in the capability of reflecting images in the coatings. The results showed that ultra-bright Al and Al-Mn coatings were electrodeposited with the additives. The brightness of coating increased with the concentration of additive. The ultra-bright Al coating was nanocrystals with a preferred crystallographic orientation

while the ultra-bright Al-Mn coating was amorphous particles in nanometers. The brightening of coating is attributed to the grain refinement and preferred growth of the coating caused by the additive.

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Electrodeposition of bright Al and Al-Mn coatings from AlCl3-EMIC ionic liquid

DOI：10.11949/j.issn.0438-1157.20141886

摘要

Abstract

关键词

Keywords

references

Electrodeposition of bright Al and Al-Mn coatings from AlCl₃-EMIC ionic liquid