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The role of ionic liquids in the synthesis of the high-temperature superconductor YBa2Cu3O7−δ

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Abstract

The ionic liquid method has proved to be an interesting tool in the synthesis of metal oxides. There is a lack of understanding however of how these materials interact with and which factors can be beneficial or detrimental for, the synthesis of a pure phase metal oxide. Here we present an extensive mechanistic study of the synthesis of the high temperature superconductor YBa2Cu3O7−δ (YBCO) using different ionic liquids and deep eutectic solvents such as 1-ethyl-3-methylimidazolium acetate (emim)OAc, ethylene glycol:choline chloride and imidazole:choline chloride, as well as mono-molecular chelating agents, namely ethylene glycol and imidazole. All the reactions were supported using dextran as a non-specific, polychelating agent.

Graphical abstract: The role of ionic liquids in the synthesis of the high-temperature superconductor YBa2Cu3O7−δ

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Publication details

The article was received on 31 Jul 2018, accepted on 10 Sep 2018 and first published on 10 Sep 2018


Article type: Paper
DOI: 10.1039/C8CE01275J
Citation: CrystEngComm, 2018, Advance Article
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    The role of ionic liquids in the synthesis of the high-temperature superconductor YBa2Cu3O7−δ

    O. Gómez Rojas, I. Sudoh, T. Nakayama and S. R. Hall, CrystEngComm, 2018, Advance Article , DOI: 10.1039/C8CE01275J

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