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Geng T, Schick BW, Uhl M, Kuehne AJC, Kibler LA, Ceblin MU, Jacob T. Influence of Chloride and Nitrate Anions on Copper Electrodeposition onto Au(111) from Deep Eutectic Solvents. ChemElectroChem 2022. [DOI: 10.1002/celc.202101263] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Tanja Geng
- Ulm University: Universitat Ulm Institut für Elektrochemie GERMANY
| | | | - Matthias Uhl
- Ulm University: Universitat Ulm Institute of Electrochemistry GERMANY
| | - Alexander J. C. Kuehne
- Ulm University: Universitat Ulm Institute of Organic and Macromolecular Chemistry GERMANY
| | - Ludwig A. Kibler
- Ulm University: Universitat Ulm Institut für Elektrochemie GERMANY
| | - Maximilian Urs Ceblin
- Ulm University: Universitat Ulm Institut für Elektrochemie Albert-Einstein-Allee 47 89081 Ulm GERMANY
| | - Timo Jacob
- Ulm University: Universitat Ulm Institut für Elektrochemie GERMANY
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Tan Z, Liu S, Wu J, Nan Z, Yang F, Zhan D, Yan J, Mao B. Copper Deposition on Au(111) in a Deep Eutectic Solvent: An In Situ STM Study**. ChemElectroChem 2022. [DOI: 10.1002/celc.202101412] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Zhuo Tan
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Shuai Liu
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Jiedu Wu
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Ziang Nan
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Fangzu Yang
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Dongping Zhan
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Jiawei Yan
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Bingwei Mao
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
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KARIM WO. Electropolishing of Pure Metallic Nickel and Cobalt in Choline Chloride-propylene Glycol Eutectic Liquid: An Electrochemical Study Using AFM and SEM. ELECTROCHEMISTRY 2022. [DOI: 10.5796/electrochemistry.22-00015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Wrya O. KARIM
- Chemistry Department, College of Science, University of Sulaimani
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4
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Wu J, Liu S, Tan Z, Guo Y, Zhou J, Mao B, Yan J. Effect of hydrogen bond donor molecules ethylene glycerol and lactic acid on electrochemical interfaces in choline chloride based-deep eutectic solvents. J Chem Phys 2021; 155:244702. [PMID: 34972352 DOI: 10.1063/5.0073792] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Choline chloride (ChCl)-based-deep eutectic solvents (DESs) are widely used in electrochemical fields. In this work, the effect of two types of hydrogen bond donor (HBD) molecules, ethylene glycerol and lactic acid (LA), on electrochemical interfaces between the Au electrode and DESs has been investigated by employing voltammetry and electrochemical impedance spectroscopy. The anodic dissolution and passivation behaviors of the Au electrode are revealed in both ethaline and ChCl:LA. In ChCl:LA, the anodic dissolution of Au is slowed down, and the passivation film is relatively dense and stable due to the existence of the carboxyl group in HBD molecule LA. In the double layer region, the lifting and formation of Au(111) surface reconstruction and a disorder-order phase transition of the chloride ion adlayer were observed in the two DESs. Moreover, compared with ethaline, an extra pair of current peaks appears in ChCl-LA possibly due to the adsorption and desorption of LA on the Au(111) surface, which might imply the stronger interaction of LA with the Au electrode in ChCl:LA. HBD LA could even have marked an impact on the disorder-order phase transition of the chloride ion adlayer. The above results provide new insight into the significant effect of HBD molecules on the anodic dissolution and the passivation of the Au electrode and the electrochemical behaviors in the double layer region.
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Affiliation(s)
- Jiedu Wu
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, People's Republic of China
| | - Shuai Liu
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, People's Republic of China
| | - Zhuo Tan
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, People's Republic of China
| | - Yuting Guo
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, People's Republic of China
| | - Jianzhang Zhou
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, People's Republic of China
| | - Bingwei Mao
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, People's Republic of China
| | - Jiawei Yan
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, People's Republic of China
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JUMA JA, KARIM WO, AZIZ SA, OMER KM. Cobalt Electroplating in Choline Chloride-ethylene Glycol: A Comparative Study. ELECTROCHEMISTRY 2021. [DOI: 10.5796/electrochemistry.21-00087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Jamil A. JUMA
- Department of Chemistry, Faculty of Science and Health, Koya University
| | - Wrya O. KARIM
- Chemistry Department, College of Science, University of Sulaimani
| | - Shujahadeen A. AZIZ
- Hameed Majid Advanced Polymeric Materials Research Lab., Department of Physics, College of Science, University of Sulaimani
| | - Khalid M. OMER
- Chemistry Department, College of Science, University of Sulaimani
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Abstract
Electropolishing of metal surfaces is a benign alternative to mechanical treatment. Ionic liquids are considered as green electrolytes for the electropolishing of metals. They demonstrate a number of advantages in comparison with acid aqueous solutions and other methods of producing smooth or mirror-like surfaces that are required by diverse applications (medical instruments, special equipment, implants and prostheses, etc.). A wide window of electrochemical stability, recyclability, stability and tunability are just a few benefits provided by ionic liquids in the title application. An overview of the literature data on electropolishing of such metals as Ti, Ni, Pt, Cu, Al, U, Sn, Ag, Nb, stainless steel and other alloys in ionic liquids is presented.
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KARIM WO, JUMA JA, OMER KM, AHMAD NN, KADER DA, TOFIQ BB, AZIZ SB. Novel Electropolishing of Pure Metallic Titanium in Choline Chloride-Based Various Organic Solvents. ELECTROCHEMISTRY 2021. [DOI: 10.5796/electrochemistry.20-00120] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Wrya. O. KARIM
- Chemistry Department, College of Science, University of Sulaimani
| | - Jamil. A. JUMA
- Department of Chemistry, Faculty of Science and Health, Koya University
| | - Khalid M. OMER
- Chemistry Department, College of Science, University of Sulaimani
| | - Nawzad N. AHMAD
- Chemistry Department, College of Science, University of Sulaimani
| | - Dana A. KADER
- Chemistry Department, College of Science, University of Sulaimani
| | - Brwa B. TOFIQ
- Advanced Polymeric Materials Research Lab., Department of Physics, College of Science, University of Sulaimani
| | - Shujahadeen B. AZIZ
- Advanced Polymeric Materials Research Lab., Department of Physics, College of Science, University of Sulaimani
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KARIM WO, JUMA JA, OMER KM, SALIH YM, HAMA AZIZ KH, AZIZ SB. Electropolishing and Mirror-like Preparation of Titanium in Choline Chloride-Ethylene Glycol Mixture Liquid. ELECTROCHEMISTRY 2020. [DOI: 10.5796/electrochemistry.20-00038] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Wrya O. KARIM
- Chemistry Department, College of Science, University of Sulaimani
| | - Jamil A. JUMA
- Department of Chemistry, Faculty of Science and Health, Koya University
| | - Khalid M. OMER
- Chemistry Department, College of Science, University of Sulaimani
- Department of Civil Engineering, College of Engineering, Komar University of Science and Technology
| | - Yousif M. SALIH
- Chemistry Department, College of Science, University of Sulaimani
| | | | - Shujahadeen B. AZIZ
- Advanced Polymeric Materials Research Lab., Department of Physics, College of Science, University of Sulaimani
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