Large‐Area Ordered Quantum‐Dot Monolayers via Phase Separation During Spin‐Casting

  title={Large‐Area Ordered Quantum‐Dot Monolayers via Phase Separation During Spin‐Casting},
  author={Seth Coe‐Sullivan and Jonathan S. Steckel and W K Woo and Moungi G. Bawendi and Vladimir Bulovi{\'c}},
  journal={Advanced Functional Materials},
We investigate a new method for forming large‐area (> cm2) ordered monolayers of colloidal nanocrystal quantum dots (QDs). The QD thin films are formed in a single step by spin‐casting a mixed solution of aromatic organic materials and aliphatically capped QDs. The two different materials phase separate during solvent drying, and for a predefined set of conditions the QDs can assemble into hexagonally close‐packed crystalline domains. We demonstrate the robustness and flexibility of this phase… 
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