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Controlled preparation of hollow zinc oxide microspheres from aqueous solution using hexamethylenetetramine and cysteine

URN to cite this document:
urn:nbn:de:bvb:355-epub-64705
DOI to cite this document:
10.5283/epub.6470
Weinzierl, Daniel ; Touraud, Didier ; Lecker, Alois ; Pfitzner, Arno ; Kunz, Werner
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Date of publication of this fulltext: 05 Aug 2009 13:52


Abstract

Zinc oxide particles were synthesized by precipitation from an aqueous solution of zinc nitrate tetrahydrate, R-(+)-cysteine and hexamethylenetetramine (HMTA, urotropine). Hollow microspheres of ZnO-cysteine hybrid material with a diameter of ca. 1 mu m and a wall thickness ca. 50 nm were obtained. After heating up to 850 degrees C pure ZnO microspheres of roughly the same size were formed. The particles were characterized by XRD, SEM, FT-IR and TGA. (c) 2007 Elsevier Ltd. All rights reserved.


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