Journal
NANOTECHNOLOGY
Volume 22, Issue 39, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/22/39/395603
Keywords
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Funding
- Serbian Ministry of Science and Technological Development [III45007]
- Slovenian Research Agency [P2-0084-0106]
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Zinc oxide nanopowders were synthesized by the sol-gel method from an ethanol solution of zinc acetate dihydrate. Detailed structural and microstructural investigations were carried out using x-ray diffraction, Raman spectroscopy, thermogravimetric and differential thermal analyses, as well as high-resolution transmission electron microscopy (TEM) and field-emission scanning electron microscopy. The intermediate compound of the reaction was layered zinc hydroxide acetate that further transforms into hexagonally shaped ZnO crystalline nanoplates (d(m) = 4 nm), which aggregate into larger spherical particles. According to the TEM analysis the ZnO nanoparticles were self-assembled into larger particles with the same orientation, i.e. aligned lattice planes of the particles. A further solvothermal treatment resulted in hexagonal, prismatic ZnO mesocrystals.
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