期刊
JOURNAL OF NANOPARTICLE RESEARCH
卷 22, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1007/s11051-020-04845-3
关键词
AgNPs; GQDs; Core-shell; Nanoscale; Antibacterial activity
资金
- Key R&D Program Projects in Shanxi Province [2017030321015-4]
- Scientific and Technological Innovation Project for Excellent Talents in Shanxi Province [201805D211001]
- National Natural Science Foundation of China [51302183]
- Natural Science Foundation of Shanxi Province [201801D121096]
Graphene quantum dots (GQDs) as a shell layer was coated on the surface of silver nanoparticles (AgNPs) to obtain an effective antibacterial composite (GQDs@AgNPs). The structures and antibacterial properties of AgNPs, GQDs, and GQDs@AgNPs were studied. SEM and TEM results indicated that GQDs were coated on the surface of AgNPs. For GQDs@AgNPs, the core size of AgNPs was about 20 nm, and the shell thickness of GQDs was about 5 nm. The formation and antibacterial mechanism of GQDs@AgNPs composite materials were discussed in detail. It showed excellent antibacterial properties for E. coli and S. aureus.
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