US chemists at Pennsylvania State University have developed a framework for the total synthesis of nanoparticles using processes analogous to the reactions in a synthetic scheme. The system uses solid-state nanoparticle analogs of chemoselective reactions, regiospecificity, coupling reactions, and molecular substituent effects to construct sophisticated hybrid nanoparticle oligomers. These artificial "molecules" are synthesized in a predictable and stepwise manner from organometallic building blocks.
The approach could allow multifunctional lab-on-a-particle systems to be developed for solar energy conversion, fuel-cell catalysis, medical imaging, and electronics.
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