http://www.cnr.it/ontology/cnr/individuo/prodotto/ID215435
Inorganic Chemistry in a Nanoreactor: Doped ZnO Nanostructures by Miniemulsion (Articolo in rivista)
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- Inorganic Chemistry in a Nanoreactor: Doped ZnO Nanostructures by Miniemulsion (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/ejic.201201474 (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Dolcet P.; Latini F.; Casarin M.; Speghini A.; Tondello E.; Foss C.; Diodati S.; Verin L.; Motta A.; Gross S. (literal)
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- http://onlinelibrary.wiley.com/doi/10.1002/ejic.201201474/abstract (literal)
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- 1-3,5,7,10 : Dipartimento di Scienze Chimiche, Università Degli Studi di Padova, via Marzolo 1, 35131 Padova, Italy /
4 : Dipartimento di Biotecnologie, Università Degli Studi di Verona, UdR Verona, Strada Le Grazie 15, 37134 Verona, Italy /
6,8,9 : Department of Industrial Engineering, Biotech Research Center, University of Trento, 38100 Trento, Italy /
6,8,9 : European Institute of Excellence on Tissue Engineering and Regenerative Medicine, INSTM, 38100 Trento, Italy /
10 : Istituto di Scienze e Tecnologie Molecolari, ISTM-CNR, UdR Padova, via Marzolo 1, 35131 Padova, Italy (literal)
- Titolo
- Inorganic Chemistry in a Nanoreactor: Doped ZnO Nanostructures by Miniemulsion (literal)
- Abstract
- Doped M:ZnO nanoparticles (Zn:M=50:1 or 20:1, with M= Ag(I), Co(II), Cu(II), Eu(III), Mg(II), Mn(II)) were produced by an easy, reproducible and fast inverse miniemulsion approach, enabling the co-precipitation of the oxide in a confined space. Unexpectedly, the formation of crystalline materials took place already at room temperature. Suspensions were characterized by Dynamic Light Scattering (DLS) and UV-Vis Spectroscopy, whereas precipitated powders were characterized by the combined use of several techniques, i.e. X-Ray Photoelectron Spectroscopy (XPS), X-ray Diffraction (XRD), Transmission Electron Microscopy (TEM), Inductively Coupled Plasma Atomic Emission Spectrometry (ICP- AES) and Thermogravimetric Analysis (TGA).
The obtained particles showed a preferential growth along the [0002] direction, with a size of 70 nm, whereas along the other directions an average size between 26 and 33 nm is determined. The outcomes of the employed techniques confirmed a successful doping in all cases but one: in fact, the Ag doped sample corresponded to a nanocomposite consisting of metallic silver clusters dispersed in the ZnO matrix. A red emission for the ZnO:Eu sample is evidenced upon excitation around 465 nm. (literal)
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