The Subtle Chemistry of Colloidal, Quantum-Confined Semiconductor Nanostructures

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Figure Persented: Nanoscale colloidal semiconductor structures with at least one dimension small enough to experience quantum confinement effects have captured the imagination and attention of scientists interested in controlling various chemical and photophysical processes. Aside from having desirable quantum confinement properties, colloidal nanocrystals are attractive because they are often synthesized in low-temperature, low-cost, and potentially scalable manners using simple benchtop reaction baths. Considerable progress in producing a variety of shapes, compositions, and complex structures has been achieved. However, there are challenges to overcome in order for these novel materials to reach their full potential and become new drivers for commercial applications. The final shape, composition, nanocrystal-ligand structure, and size can depend on a delicate interplay of precursors, surface ligands, and other compounds that may or may not participate in the reaction. In this Perspective, we discuss current efforts toward better understanding how the reactivity of the reagents can be used to produce unique and complex nanostructures.

Original languageAmerican English
Pages (from-to)4573-4579
Number of pages7
JournalACS Nano
Issue number6
StatePublished - 26 Jun 2012
Externally publishedYes

NREL Publication Number

  • NREL/JA-5900-55424


  • chemical and photophysical processes
  • low-temperature
  • scalable


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