Angewandte Chemie International Edition

Cover image for Vol. 55 Issue 31

Editor: Peter Gölitz, Deputy Editors: Neville Compton, Haymo Ross

Online ISSN: 1521-3773

Associated Title(s): Angewandte Chemie, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemistryOpen, ChemPlusChem, Zeitschrift für Chemie

46_05b/2007Inside Cover: Synthesis of Palladium Icosahedra with Twinned Structure by Blocking Oxidative Etching with Citric Acid or Citrate Ions (Angew. Chem. Int. Ed. 5/2007)

Oxidative etching usually dissolves multiply twinned particles in typical solution-phase syntheses of Pd nanostructures. The strong binding of oxygen to the Pd surface makes this etching process difficult to avoid. In their Communication on page 790ff., Y. Xia and co-workers demonstrate that citric acid or citrate ions can prevent oxidative etching through chemisorption (see picture), which allows twinned Pd icosahedra to be formed in yields as high as 80%.

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