4.8 Article

Colloidal Iron Pyrite (FeS2) Nanocrystal Inks for Thin-Film Photovoltaics

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 4, Pages 716-719

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja1096368

Keywords

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Funding

  1. NSF [CHE-1035218]
  2. UCI School of Physical Sciences Center for Solar Energy
  3. Direct For Mathematical & Physical Scien [1035218] Funding Source: National Science Foundation
  4. Division Of Chemistry [1035218] Funding Source: National Science Foundation
  5. Div Of Chem, Bioeng, Env, & Transp Sys
  6. Directorate For Engineering [0966904] Funding Source: National Science Foundation

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Iron pyrite (FeS2) is a promising earth-abundant semiconductor for thin-film solar cells. In this work, phase-pure, single-crystalline, and well-dispersed colloidal FeS2 nanocrystals (NCs) were synthesized in high yield by a simple hot-injection route in octadecylamine and then were subjected to partial ligand exchange with octadecylxanthate to yield stable pyrite NC inks. Polycrystalline pyrite thin films were fabricated by sintering layers of these NCs at 500-600 degrees C under a sulfur atmosphere.

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