Colloidal Synthesis of Ternary AgFeS2 Nanocrystals and Their Transformation to Ag2S-Fe7S8 Heterodimers

Authors

  • Shi-Kui Han,

    1. Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, University of Science and Technology of China, Lab of Mechanical and Material Science, School of Engineering Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China, Fax: +86 551 63603040
    Search for more papers by this author
  • Chao Gu,

    1. Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, University of Science and Technology of China, Lab of Mechanical and Material Science, School of Engineering Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China, Fax: +86 551 63603040
    Search for more papers by this author
  • Ming Gong,

    1. Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, University of Science and Technology of China, Lab of Mechanical and Material Science, School of Engineering Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China, Fax: +86 551 63603040
    Search for more papers by this author
  • Ze-Ming Wang,

    1. Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, University of Science and Technology of China, Lab of Mechanical and Material Science, School of Engineering Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China, Fax: +86 551 63603040
    Search for more papers by this author
  • Shu-Hong Yu

    Corresponding author
    1. Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, University of Science and Technology of China, Lab of Mechanical and Material Science, School of Engineering Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China, Fax: +86 551 63603040
    • Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, University of Science and Technology of China, Lab of Mechanical and Material Science, School of Engineering Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China, Fax: +86 551 63603040.

    Search for more papers by this author

Abstract

original image

Ternary-/hetero-nanocrystals: a facile one-pot colloidal route for controlled synthesis of ternary AgFeS2 nanocrystals, which have a band gap of 1.21 eV, is presented for the first time. Such ternary AgFeS2 nanocrystals can transform to Ag2S-Fe7S8 heterodimers by internal thermal reaction at elevated temperature, providing a new route to synthesize semiconductor hetero-nanostructures.

Ancillary