Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Coating Properties of Single and Multi-Layer Graphene Oxide on a Polystyrene Surface

산화그래핀 층수에 따른 폴리스타이렌 표면 코팅 특성

  • Lee, Jihoon (School of Convergence & Fusion System Engineering, Kyungpook National University) ;
  • Park, Jaebum (School of Convergence & Fusion System Engineering, Kyungpook National University) ;
  • Park, Danbi (Joint Institute for Regenerative Medicine, Kyungpook National University) ;
  • Huh, Jeung Soo (School of Convergence & Fusion System Engineering, Kyungpook National University) ;
  • Lim, Jeong Ok (Joint Institute for Regenerative Medicine, Kyungpook National University)
  • 이지훈 (경북대학교 융복합시스템공학과) ;
  • 박재범 (경북대학교 융복합시스템공학과) ;
  • 박단비 (경북대학교 국제재생의학연구소) ;
  • 허증수 (경북대학교 융복합시스템공학과) ;
  • 임정옥 (경북대학교 국제재생의학연구소)
  • Received : 2021.04.12
  • Accepted : 2021.07.02
  • Published : 2021.07.27
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Abstract

Graphene, a new material with various advantageous properties, has been actively used in various fields in recent years. Applications of graphene oxide are increasing in combination with other materials due to the different properties of graphene oxide, depending on the number of single and multiple layers of graphene. In this study, single-layer graphene oxide and multi-layer graphene oxide are spray coated on polystyrene, and the physicochemical properties of the coated surfaces are characterized using SEM, Raman spectroscopy, AFM, UV-Vis spectrophotometry, and contact angle measurements. In single-layer graphene oxide, particles of 20 ㎛ are observed, whereas a 2D peak is less often observed, and the difference in surface height increases according to the amount of graphene oxide. Adhesion increases with an increase in graphene oxide up to 0.375 mg, but decreases at 0.75 mg. In multi-layer graphene oxide, particles of 5 ㎛ are observed, as well as a 2D peak. According to the amount of graphene oxide, the height difference of the surface increases and the adhesive strength decreases. Both materials are hydrophilic, but single-layer graphene oxide has a hydrophilicity higher than that of multi-layer graphene oxide. We believe that multi-layer graphene oxide and single-layer graphene oxide can be implemented based on the characteristics that make them suitable for application.

Keywords

Acknowledgement

This work was supported by Corestem Co.,Ltd, We are grateful for this support.

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