Metal silicide phases (MxSiy) are important intermediates in the synthesis of silicon nanomaterials and in the Direct Process for the synthesis of dimethyldichlorosilane. Despite the technological importance of such silicides, little is known about the nature of the reactive metal-silicon surface species involved in these transformations of silicon. This presentation will describe ratonal synthetic routes to molecular bimetallic silicide complexes, obtained by activations of silanes by two metal centers. This modular synthetic method allows variations in the metal centers involved in these complexes. The structural, electronic, and chemical properties of these species have been interrogated to gain insight into the nature of the M=Si=M linkages.

Rational routes to transition metal silicide complexes

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