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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
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 prepd. by pptn. from an aq. soln. of zinc nitrate tetrahydrate, R-(+)-cysteine and hexamethylenetetramine. Hollow microspheres of ZnO-cysteine hybrid material with a diam. of ~1µm and a wall thickness ~50 nm were obtained. After heating <=850 Deg pure ZnO microspheres of roughly the same size were formed. The particles were characterized by XRD, SEM, FTIR, and TGA.


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