铝在无水离子液体/油界面上的还原沉积

IF 4.7 3区工程技术 Q2 ELECTROCHEMISTRY

Electrochemistry Communications Pub Date : 2023-09-05 DOI:10.1016/j.elecom.2023.107575

Naohiro Yoshida, Yohei Kuroyama, Yuko Yokoyama, Tetsuo Sakka, Naoya Nishi

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引用次数: 0

摘要

油/水界面已被用作界面金属沉积的反应场，该反应场通过金属离子和还原剂之间的电子转移穿过界面进行沉积。然而，可以沉积在液体/液体界面的金属仅限于贵金属，其标准氧化还原电位比水的氧化还原电位更正。在本研究中，我们在亲水性离子液体（IL）和油（O）之间设计了一种无水的液体/液体界面，并成功地还原沉积了Al，这是一种具有显著负标准氧化还原电位的基底金属，在水基液体/液体交界面上不被还原。研究了沉积Al的形态，并将反应机理解释为通过IL/O界面的电子转移和离子转移的结合。

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Reductive deposition of aluminum at a water-free ionic liquid/oil interface

The oil/water interface has been used as a reaction field for interfacial metal deposition via electron transfer between metal ions and reducing agents across the interface. However, the metals that can be deposited at liquid/liquid interfaces are limited to noble metals whose standard redox potential is more positive than that of water. In the present study, we designed a water-free liquid/liquid interface between a hydrophilic ionic liquid (IL) and oil (O) and succeeded in reductively depositing Al, a base metal that has a significantly negative standard redox potential and that is not reduced at water-based liquid/liquid interfaces. The morphology of the deposited Al was investigated and the reaction mechanism was explained as a combination of electron transfer and ion transfer across the IL/O interface.

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来源期刊

Electrochemistry Communications 工程技术-电化学

CiteScore

8.50

自引率

3.70%

发文量

160

审稿时长

1.2 months

期刊介绍： Electrochemistry Communications is an open access journal providing fast dissemination of short communications, full communications and mini reviews covering the whole field of electrochemistry which merit urgent publication. Short communications are limited to a maximum of 20,000 characters (including spaces) while full communications and mini reviews are limited to 25,000 characters (including spaces). Supplementary information is permitted for full communications and mini reviews but not for short communications. We aim to be the fastest journal in electrochemistry for these types of papers.