Orientation of reduced graphene oxide in composite coatings

被引：1

作者：

Thorshaug, Knut ^{[1
]}

Didriksen, Terje ^{[1
]}

Jensen, Ingvild Thue ^{[1
]}

Carvalho, Patricia Almeida ^{[1
]}

Yang, Juan ^{[1
]}

Grandcolas, Mathieu ^{[1
]}

Ferber, Alain ^{[2
]}

Booth, Andy M. ^{[3
]}

Agac, Ozlem ^{[4
]}

Alagoz, Huseyin ^{[4
]}

Erdogan, Nursev ^{[5
]}

Kuban, Anil ^{[5
]}

Belle, Branson D. ^{[1
]}

机构：

[1] SINTEF Ind, Forskningsveien 1, NO-0373 Oslo, Norway

[2] SINTEF Digital, Forskningsveien 1, NO-0373 Oslo, Norway

[3] SINTEF Ocean, Brattorkaia 17C, NO-7010 Trondheim, Norway

[4] Nanografi Nanotechnol AS, ODTU Teknokent 13-1-1, TR-06531 Cankaya, Ankara, Turkiye

[5] Funct Coatings & Transparencies Technol Ctr, Turkish Aerosp, Ankara, Turkiye

来源：

NANOSCALE ADVANCES | 2024年 / 6卷 / 08期

关键词：

NANOCOMPOSITES; REDUCTION; SURFACE;

D O I：

10.1039/d3na01057k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Composite coatings containing reduced graphene oxide (rGO) and 3-(aminopropyl)triethoxysilane functionalised rGO (APTES-rGO) were prepared by sol-gel technology and deposited on Al 2024 T-3. Covalent functionalisation of GO by APTES occurred by formation of amide bonds, accompanied by GO reduction. The thin sheets were retained. The hydrophilicity of the coating increased when APTES-rGO was added. The opposite was observed when GO was added. A key finding is that the rGO flakes agglomerate and lie in a random orientation in the coating, whereas the APTES-rGO flakes are more evenly distributed in the matrix and appear to lie along the plane of the substrate. In composite coatings containing 3-(aminopropyl)triethoxysilane functionalised rGO (APTES-rGO), the flakes are distributed in the matrix and appear to lie along the plane of the substrate.

引用

页码：2088 / 2095

页数：8

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