Hollow urchin-like ZnO thin films by electrochemical deposition

Abstract

Arrays of ordered hollow urchin-like ZnO single-crystal nanowlres with controlled core dimensions and wire morphology are obtained by a new method that combines electrochemical deposition with colloidal templating rendered electrically conductive. This method opens new opportunities for processing novel metal oxide or hydroxide materials based on a similar growth mechanism. Such ordered structures exhibit superior optical reflectance compared to nanowire arrays. (Figure Presented) © 2010 WILEY-VCH Verlag GmbH & Co. KGaA.