In the Silicon Age, daily life revolves around tools made from this ubiquitous semiconductor: computers, solar cells, and many more. Yet silicon synthesis relies on top-down, high-temperature approaches that yield only the most thermodynamically stable forms of silicon. Uncovering vast new swatches of structure-function space demands a new synthetic vision. This talk will describe the synthesis of molecular and polymeric silanes via approaches inspired by the complexity and selectivity of target-oriented organic synthesis. Topics include the chemoselective polymerization of novel bifunctional silane monomers, the selective preparation of linear and cyclic polycyclosilanes, and the stereocontrolled synthesis of cis- and trans-siladecalin. The structural characterization of novel silane architectures and the emergence of new structure-property relationships will also be discussed.

Fragments of crystalline silicon via target-oriented synthesis

ACS Spring Meeting 2021

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