4.8 Article

Synergistic Role of Dopants on the Morphology of Alloyed Copper Chalcogenide Nanocrystals

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 137, Issue 20, Pages 6464-6467

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b02880

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Funding

  1. Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy (DOE) [DE-AC02-05CH11231]
  2. Bay Area Photovoltaics Consortium - DOE EERE
  3. DOE Early Career Research Program
  4. DOE [DE-AC02-76SF00515]
  5. Welch Foundation [F-1848]

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The presence of antimony, as a dopant in the colloidal growth reaction for CuIn1-xGaxS2 (CIGS) nanocrystals, causes end-to-end fusion of nanorod pairs into nanodumbbells at high yield. The influence of the dopant on shape is indirect; antimony catalyzes the incorporation of gallium, which is found in high concentration at the junction between the fused nanorods.

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