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Facile large-scale synthetic route to monodisperse ZnO nanocrystals

Title data

Ehlert, Sascha P. ; Lunkenbein, Thomas ; Breu, Josef ; Förster, Stephan:
Facile large-scale synthetic route to monodisperse ZnO nanocrystals.
In: Colloids and Surfaces A : Physicochemical and Engineering Aspects. Vol. 444 (5 March 2014) . - pp. 76-80.
ISSN 1873-4359
DOI: https://doi.org/10.1016/j.colsurfa.2013.12.034

Abstract in another language

We report an efficient, robust and up-scalable synthetic route to small, spherical, well stabilized, narrow disperse, crystalline ZnO nanoparticles. The synthesis utilizes Zn-oleate or Zn-stearate as precursors, which are hydrolyzed in polar organic solvents to obtain ZnO nanoparticles in diameters in the range of 3–5 nm on multi-gram scales. The synthesis exploits the use of oleates and stearates as good precursors and stabilizing agents together with the hydrolysis route to obtain small ZnO nanoparticles in a well-controlled way. The nanoparticles show the characteristic bright green fluorescence emission, and can be precipitated, dried, and redispersed in common organic solvents without aggregation. Because of their good steric stabilization and hydrophobic coating, these nanoparticles are very suitable for applications in polymer nanocomposites for UV-absorption and opto-electronic applications.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Zinc oxide; Nanoparticles; Large-scale synthesis
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I > Chair Anorganic Chemistry I - Univ.-Prof. Dr. Josef Breu
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie > SFB 840 - TP A 2
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie > SFB 840 - TP A 7
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I
Research Institutions
Research Institutions > Collaborative Research Centers, Research Unit
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 20 Mar 2018 10:13
Last Modified: 20 Mar 2018 10:13
URI: https://eref.uni-bayreuth.de/id/eprint/9252