Efficient Synthetic Strategies for Smart Coinage Metal Complexes

Dear Colleagues,

The chemistry of coinage metal complexes is a well-recognized and challenging area of modern chemical science. The extremely rich chemistry of coinage metals creates numerous research/industry prospects, from the construction of nanoscale luminescent molecular clusters to complex 2D material preparation. These cutting-edge prospects define numerous perspectives of such objects, either through the art of synthesis or solar energy conversion. The careful development of effective synthetic strategies is a key method of producing pure and efficient compounds for materials science. One of the most challenging examples of this synthetic art concerns the synthesis of giant coinage metal nanoclusters. These objects of different size, shape and inner structure often demonstrate unique chemical, optical and catalytic performance. The electronic nature of the cluster core significantly affects the stability, reactivity and physical properties of the complex. For example, silver thiolates can be divided into the following classes: (i) Fenske-type clusters, containing only Ag⁺ and supported by S^2–, such as [Ag₄₉₀S₁₈₈(S^tC₅H₁₁)₁₁₄], as one of the most common examples; (ii) core-shell-reduced (metalloid) clusters with mixed Ag⁺/Ag⁰ cluster cores, e.g., [Ag₃₇₄(SR)₁₁₃Br₂Cl₂]; and (iii) highly diverse and complicated template-assisted Ag⁺ clusters, which incorporate heteroatoms, organic ligands, polyoxometalates, etc., as auxiliary ligands and templates. Therefore, careful planning, organization and synthesis monitoring can create many curious objects with great potential.

In this Special Issue, the most recent advances in the synthetic approaches to the efficient preparation of coinage metal complexes will be summarized.

Dr. Pavel A. Abramov
Guest Editor

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• coinage metal clusters
• highly luminescent coinage metal complexes
• two-dimensional coinage-metal-based materials
• reactivity of coinage metal complexes
• catalytic activity and energy conversion