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Interactions in Composite Film Formation of Mefp-1/graphene on Carbon Steel
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- Cheng, Jie (author)
- KTH,Yt- och korrosionsvetenskap,China Univ Min & Technol Beijing, Sch Mech Elect & Informat Engn, Beijing 100083, Peoples R China.
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- Mei, Nanxuan (author)
- KTH,Yt- och korrosionsvetenskap,China Int Engn Consulting Corp, Beijing 100048, Peoples R China.
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- Chen, Sulin (author)
- Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China.
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- (creator_code:org_t)
- 2021-09-27
- 2021
- English.
- In: Coatings. - : MDPI AG. - 2079-6412. ; 11:10
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- Mefp-1 adhesive protein derived from marine blue mussels, together with the 2D material graphene, was used to build the green composite film with enhanced anti-corrosion property and mechanical strength. The corrosion inhibition of the composite film, formed by different methods, was evaluated by using electrochemical impedance spectroscopy. The non-degraded adhesion of the composite film to the carbon steel substrate was proved by nano-scratch tests. Infrared spectroscopy was utilized to investigate the film formation process and "three-body interactions " between Mefp-1, graphene and carbon steel surface. The results show that the Mefp-1 adsorbs on the carbon steel surface mainly through the covalent bond between catechols and Fe(III). Meanwhile, Mefp-1 can bond to non-adhesive graphene by forming hydrogen bonds and pi-pi interaction non-covalent bonds, which facilitate the formation of a robust Mefp-1/graphene composite film on the carbon steel surface.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- graphene
- Mefp-1
- corrosion
- adhesion
- infrared spectroscopy
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Mei, Nanxuan
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