Issue 42, 2024

A chemically induced, room temperature, single source precursor to CuS (covellite) nanomaterials: synthesis and reactivity of [Cu(S2CNHBz)]n

Abstract

Addition of two equivalents of NaS2CNHBz to CuSO4 affords the yellow diamagnetic coordination polymer [Cu(S2CNHBz)]n (1), resulting from intramolecular electron-transfer and concomitant formation of the thiourea, (BzNH)2C[double bond, length as m-dash]S. 1 reacts with PPh3 and 1,1′-bis(diphenylphosphino)ferrocene (dppf) in CH2Cl2 to give monomeric [Cu(κ2-S2CNHBz)(PPh3)2] (2) and [Cu(κ2-S2CNHBz)(κ2-dppf)] (3), respectively, both of which have been crystallographically characterised. While 1 is thermally stable in dimethylsulfoxide (DMSO) up to ca. 70 °C, addition of nBuNH2 to 1 leads to its rapid decomposition to afford CuS (covellite) nanomaterials; indeed in neat nBuNH2, covellite formation is rapid at room temperature. Thus, 1 serves as an effective low-temperature base-induced single source precursor to covellite nanomaterials.

Graphical abstract: A chemically induced, room temperature, single source precursor to CuS (covellite) nanomaterials: synthesis and reactivity of [Cu(S2CNHBz)]n

Supplementary files

Article information

Article type
Communication
Submitted
20 Aug 2024
Accepted
08 Oct 2024
First published
08 Oct 2024
This article is Open Access
Creative Commons BY-NC license

Dalton Trans., 2024,53, 17140-17145

A chemically induced, room temperature, single source precursor to CuS (covellite) nanomaterials: synthesis and reactivity of [Cu(S2CNHBz)]n

S. Huang, X. Xu, J. C. Sarker, D. Pugh and G. Hogarth, Dalton Trans., 2024, 53, 17140 DOI: 10.1039/D4DT02366H

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