Synthesis of Lipophilic Gold Nanosheets by Using Reducing Stabilizers and Their Reversible Transformation between Golden Solid

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  • Rempei Kuwahara
    JST CREST
  • Keita Kuroiwa
    Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University
  • Nobuo Kimizuka
    Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University

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Abstract

<jats:title>Abstract</jats:title> <jats:p>4,5-Dialkylated o-phenylenediamine with oligo(ethylene glycol) units is developed as a stabilizer with reducing property. It reduces chloroauric acid in water, giving lipophilic gold nanosheets whose surface is passivated by the quinoid-form ligands generated in situ. These nanosheets show brilliant golden luster in the solid state, whereas they are reversibly dispersible in organic media.</jats:p>

Journal

  • Chemistry Letters

    Chemistry Letters 39 (3), 226-227, 2010-02-06

    Oxford University Press (OUP)

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