4,4-Bipyridinium ionic liquids exhibiting excellent solubility for metal salts: Potential solvents for electrodeposition |
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| Affiliation: | 1. World Hepatitis Alliance, c/o 86bis, route de Frontenex, Case Postale 6364 1211 Genève 6;1. Chemistry Department, Addis Ababa University, Addis Ababa, Ethiopia;2. Instituto de Catálisis y Petroleoquímica, CSIC, c/Marie Curie 2, 28049 Madrid, Spain;1. Department of Chemical Systems Engineering, School of Chemical Engineering, University of Campinas, UNICAMP, Avenida Albert Einstein, 500, 13083-852 Campinas-SP, Brazil;2. Department of Chemical Engineering, University Center FEI, Avenida Humberto Alencar de Castelo Branco, 3972 09850-901 São Bernardo do Campo, SP, Brazil;1. Department of Chemistry, Islamic Azad University, Omidiyeh Branch, Omidiyeh, Iran;2. Department of Applied Chemistry, Faculty of Science, Malayer University, Malayer 65174, Iran |
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| Abstract: | Newly synthesised 4,4-bipyridinium based ionic liquids exhibit good metal coordinating abilities and are able to dissolve metal salts at high concentrations. The ability to capture metal salts into the ionic liquid media facilitates the application of ionic liquids in many areas such as metal extraction or electrochemistry. The ionic liquid n-butyl-4,4-bipyridinium bis(trifluoromethyl)sulfonylamide ([C4Bipyr][Tf2N]) exhibits a large liquidus range and a wide electrochemical window. The successful electrodeposition of Cu (II) to Cu (0) from a solution of Cu(NO3)2 in [C4Bipyr][Tf2N] shows the potential of this new type of ionic liquids for electrodeposition. |
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