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  Ultrasmall functional ZnO2 nanoparticles: synthesis, characterization and oxygen release properties

Bergs, C., Simon, P., Prots, Y., & Pich, A. (2016). Ultrasmall functional ZnO2 nanoparticles: synthesis, characterization and oxygen release properties. RSC Advances, 6(88), 84777-84786. doi:10.1039/c6ra16009c.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-A4FE-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-2E4D-7
Genre: Journal Article

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 Creators:
Bergs, Christian1, Author
Simon, Paul2, Author              
Prots, Yurii3, Author              
Pich, Andrij1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Paul Simon, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863418              
3Yuri Prots, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863424              

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 Abstract: Ultrasmall zinc peroxide nanoparticles with diameter between 3.3 +/- 0.9 and 14.4 +/- 5.2 nm were synthesized by a simple and fast hydrothermal synthesis method. The precursor zinc acetate dihydrate was oxidized with hydrogen peroxide in aqueous media using a high-pressure impinging-jet reactor (MRT CR5, Microfluidics (R)). The combination of the high process pressure of 1400 bar and the special reaction chamber geometry minimized nanoparticle aggregation and limited the crystal growth, which resulted in very small and uniform particles. The zinc peroxide nanoparticles were in situ stabilized by bis[2-(methacryloyloxy)ethyl]phosphate providing excellent colloidal stability in water and integration of functional groups (polymerizable vinyl groups and adhesion-promoting phosphate groups). The obtained nanoparticles were characterized by XRD, TGA, TGA-MS, TEM, HR-TEM, Raman spectroscopy and zeta potential measurements. Furthermore the oxygen release from ZnO2 nanoparticles was analyzed. The oxygen release can be triggered by two different mechanisms: thermal decomposition in the dry state (T < 190 degrees C) and hydrolysis in water at pH < 8.

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 Dates: 2016-09-072016-09-07
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000384139000027
DOI: 10.1039/c6ra16009c
 Degree: -

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Title: RSC Advances
  Abbreviation : RSC Adv.
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: 6 (88) Sequence Number: - Start / End Page: 84777 - 84786 Identifier: ISSN: 2046-2069
CoNE: /journals/resource/2046-2069