Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Synthesis of Lipophilic Gold Nanosheets by Using Reducing Stabilizers and Their Reversible Transformation between Golden Solid
Rempei KuwaharaKeita KuroiwaNobuo Kimizuka
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2010 Volume 39 Issue 3 Pages 226-227

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Abstract

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.

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© 2010 The Chemical Society of Japan
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