Institutional Repository of Key Laboratory of Marine Environmental Corrosion and Bio-fouling, IOCAS
| Experimental and DFT studies on corrosion protection performance of epoxy/graphene quantum dots@TiO2 nanotubes coatings | |
Ji, Xiaohong1,2,3; Seif, Abdolvahab4; Duan, Jizhou1,2,3; Rashidi, Alimorad4; Zhou, Ziyang1,2,3; Pourhashem, Sepideh1,2,3; Mirzaee, Majid5; Zhai, Xiaofan1,2,3; Zhao, Xia1,2,3 ; Hou, Baorong1,2,3
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| 2022-03-07 | |
| Source Publication | CONSTRUCTION AND BUILDING MATERIALS
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| ISSN | 0950-0618 |
| Volume | 322Pages:13 |
| Corresponding Author | Duan, Jizhou(duanjz@qdio.ac.cn) ; Rashidi, Alimorad(rashidiam@ripi.ir) |
| Abstract | In this paper, the nanohybrids of graphene quantum dots and TiO2 nanotubes (GQD@TNT) with different GQD: TNT weight ratios of 1:0.5, 1:1, and 1:2 are synthesized which are abbreviated as H (1:0.5), H (1:1), and H (1:2), respectively, and further modified with 3-(aminopropyl) triethoxysilane. Then, the silane-modified nanohybrids are loaded at 0.3 wt% in the solvent-borne epoxy matrix to achieve anti-corrosion nanocomposite coatings on the steel substrates. The results reveal that the coatings loaded with silane-modified H (1:1) more effectively enhance the corrosion protection efficiency of the polymer coatings, which has a low-frequency impedance modulus of 5.64 x 10(9) Omega.cm(2) even after 90 days of immersion in the 3.5 wt% NaCl solution. Moreover, the density functional theory (DFT) method is performed to explore the energetics and the interaction mechanisms at each interface. The results imply that the strong adhesions observed at each interface would twist and increase the diffusion path of the corrosive agents, and consequently, retard the electrochemical corrosion reactions at the surface of the metal. Therefore, the proposed strategies could be successfully applied for the development of long-term anti-corrosion coatings. |
| Keyword | GQD@TNT nanohybrids Silane modification Long-term corrosion resistance Epoxy coating DFT study |
| DOI | 10.1016/j.conbuildmat.2022.126501 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | CAS-VPST Silk Road Science Fund[133137KYSB20200034] ; INSF[99010368] ; Key Research Program of Frontier Sciences, CAS[ZDBS-LY-DQC025] ; National Natural Science Foundation of China[42106042] ; China Postdoctoral Science Fund[2021M693206] ; Applied Basic Research Programs of Qingdao[E1KY12106N] |
| WOS Research Area | Construction & Building Technology ; Engineering ; Materials Science |
| WOS Subject | Construction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary |
| WOS ID | WOS:000750953800003 |
| Publisher | ELSEVIER SCI LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.qdio.ac.cn/handle/337002/177958 |
| Collection | 海洋环境腐蚀与生物污损重点实验室 |
| Corresponding Author | Duan, Jizhou; Rashidi, Alimorad |
| Affiliation | 1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China 2.Pilot Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, Qingdao 266237, Peoples R China 3.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China 4.Res Inst Petr Ind RIPI, Nanotechnol Res Ctr, West Entrance Blvd,POB 14857-33111, Tehran, Iran 5.Niroo Res Inst, Nonmetall Mat Res Grp, POB 14665517, Tehran, Iran |
| First Author Affilication | Institute of Oceanology, Chinese Academy of Sciences; Center for Ocean Mega-Science, Chinese Academy of Sciences |
| Corresponding Author Affilication | Institute of Oceanology, Chinese Academy of Sciences; Center for Ocean Mega-Science, Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Ji, Xiaohong,Seif, Abdolvahab,Duan, Jizhou,et al. Experimental and DFT studies on corrosion protection performance of epoxy/graphene quantum dots@TiO2 nanotubes coatings[J]. CONSTRUCTION AND BUILDING MATERIALS,2022,322:13. |
| APA | Ji, Xiaohong.,Seif, Abdolvahab.,Duan, Jizhou.,Rashidi, Alimorad.,Zhou, Ziyang.,...&Hou, Baorong.(2022).Experimental and DFT studies on corrosion protection performance of epoxy/graphene quantum dots@TiO2 nanotubes coatings.CONSTRUCTION AND BUILDING MATERIALS,322,13. |
| MLA | Ji, Xiaohong,et al."Experimental and DFT studies on corrosion protection performance of epoxy/graphene quantum dots@TiO2 nanotubes coatings".CONSTRUCTION AND BUILDING MATERIALS 322(2022):13. |
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| File Name/Size | DocType | Version | Access | License | ||
| 1-s2.0-S095006182200（17977KB） | 期刊论文 | 出版稿 | 延迟开放 | CC BY-NC-SA | View 2023-7-1后可获取 | |
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