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- Title
A Facile Process for the Preparation of Three-Dimensional Hollow Zn(OH)<sub>2</sub> Nanoflowers at Room Temperature.
- Authors
Cai, Ren; Yang, Dan; Zhang, Liqing; Qiu, Liping; Liang, Hao; Chen, Xigao; Cansiz, Sena; Zhang, Zuxiao; Wan, Shuo; Stewart, Kimberly; Yan, Qingyu; Tan, Weihong
- Abstract
A facile strategy has been developed to synthesize double-shelled Zn(OH)2 nanoflowers (DNFs) at room temperature. The nanoflowers were generated via conversion of Cu2O nanoparticles (NPs) using ZnCl2 and Na2S2O3 by a simple process. Outward diffusion of the Cu2+, produced by an oxidation process on the surface of NPs, and the inward diffusion of Zn2+ by coordination and migration, eventually lead to a hollow cavity in the inner NPs with a double-shelled 3D hollow flower shapes. The thickness of the inner and outer shells is estimated to be about 20 nm, and the thickness of nanopetals is about 7 nm. The nanoflowers have large surface areas and excellent adsorption properties. As a proof of potential applications, the DNFs exhibited an excellent ability to remove organic molecules from aqueous solutions.
- Subjects
DIFFUSION; OXIDATION; NANOPARTICLE synthesis; THICKNESS measurement; ADSORPTION (Chemistry)
- Publication
Chemistry - A European Journal, 2016, Vol 22, Issue 32, p11143
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201600906