Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 16, Issue 23, Pages 11162-11167Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cp00114a
Keywords
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Funding
- Beijing Natural Science Foundation [2132025]
- Specialized Research Fund for the Doctoral Program of Higher Education [20131102110016]
- Special Funds for Co-construction Project of Beijing Municipal Commission of Education
- Innovation Foundation of BUAA for PhD Graduates
- Innovative Practice Foundation of BUAA for Graduates [YCSJ01201309]
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Few-layer graphene (FLG) and graphene oxide (GO) were explored to enhance the oxygen-atom corrosion resistance of composites. FLG flakes of two different average lateral sizes (large: similar to 1.3 mu m(2) and small: similar to 0.23 mu m(2)) were prepared by a centrifugation-based size selection route. After exposure to oxygen atoms, although all fillers could enhance the oxygen-atom corrosion resistance of the composites, we found a much greater enhancement using large FLG, i.e. adding 1 wt% large FLG can achieve a 42% decrease in the composites' mass loss. Bonding and barrier effects of the flaked fillers are responsible for the enhanced resistance. These preliminary yet intriguing results pave a novel way for resisting oxygen-atom corrosion.
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