Nanocrystals can behave as "artificial atoms" due to their size-dependentoptical and electronic properties. Self-assembled arrays of ligand-stabilised nanocrystals offer the promise of artificial atom solids with unique collective electronic properties derived from both the size-dependent electronic properties of the individual nanocrystals and the nature of the inter-nanocrystal electronic coupling mechanisms. We review our recent progress in developing combined synthesis and processing routes to manipulate these properties.
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