Fractal growth of ZrO2 nanoparticles induced by synthesis conditions

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Stolzenburg, P.; Freytag, A.; Bigall, N.C.; Garnweitner, G.: Fractal growth of ZrO2 nanoparticles induced by synthesis conditions. In: CrystEngComm 18 (2016), Nr. 43, S. 8396-8405. DOI:

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Sum total of downloads: 134

Strong changes in morphology and phase composition of zirconia nanoparticles can be induced by altering the growth conditions during nanoparticle synthesis. Here, we demonstrate that fractal ZrO2 nanocrystals showing high specific surface area can be obtained in the nonaqueous synthesis by variation of temperature and precursor concentration. The growth process was studied in detail revealing a size increase from 2.7 to 7 nm as well as a change in the polymorphic composition from tetragonal to monoclinic zirconia. TEM measurements of samples withdrawn over the course of the synthesis showed that particles grow from roundish to dendritic shapes during the phase transformation. In contrast to the common assumption that the phase transition is controlled by thermodynamics, our data shows that the transition is rather governed by kinetics. © The Royal Society of Chemistry 2016.
License of this version: CC BY-NC 3.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2016
Appears in Collections:Naturwissenschaftliche Fakultät

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pos. country downloads
total perc.
1 image of flag of Germany Germany 92 68.66%
2 image of flag of United States United States 17 12.69%
3 image of flag of China China 12 8.96%
4 image of flag of India India 2 1.49%
5 image of flag of France France 2 1.49%
6 image of flag of Czech Republic Czech Republic 2 1.49%
7 image of flag of No geo information available No geo information available 1 0.75%
8 image of flag of Serbia Serbia 1 0.75%
9 image of flag of Kenya Kenya 1 0.75%
10 image of flag of Iran, Islamic Republic of Iran, Islamic Republic of 1 0.75%
    other countries 3 2.24%

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