Journal
NANOMATERIALS
Volume 7, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/nano7080217
Keywords
amorphous SiO2; load; monodisperse; ZnO nanoparticle; antibacterial
Categories
Funding
- Fundamental Research Funds for the Central Universities of China [2652016160]
- Shandong Private Enterprises [2015-KY19-139 20151224]
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In order to reduce the primary particle size of zinc oxide (ZnO) and eliminate the agglomeration phenomenon to form a monodisperse state, Zn2+ was loaded on the surface of amorphous silica (SiO2) by the hydrogen bond association between hydroxyl groups in the hydrothermal process. After calcining the precursors, dehydration condensation among hydroxyl groups occurred and ZnO nanoparticles supported on amorphous SiO2 (ZnO-SiO2) were prepared. Furthermore, the SEM and TEM observations showed that ZnO nanoparticles with a particle size of 3-8 nm were uniformly and dispersedly loaded on the surface of amorphous SiO2. Compared with pure ZnO, ZnO-SiO2 showed a much better antibacterial performance in the minimum inhibitory concentration (MIC) test and the antibacterial properties of the paint adding ZnO-SiO2 composite.
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