Reduced graphene oxide as a protection layer for Al

Haneul Jang; Jae Hun Kim; Heon Kang; Donghyun Bae; Hyejung Chang; Hyunjoo Choi

doi:10.1016/j.apsusc.2017.02.041

Reduced graphene oxide as a protection layer for Al

Haneul Jang, Jae Hun Kim, Heon Kang, Donghyun Bae, Hyejung Chang, Hyunjoo Choi

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

This study proposes a facile solution process to generate a reduced graphene oxide (rGO) protection layer on Al, in which polyvinyl alcohol (PVA) is used to enhance interfacial bonding between Al and rGO. A multi-level analysis indicated that PVA-aided coating induced numerous conjugations between Al and rGO by producing a large number of hydroxyl groups on the Al surface. The Al plate directly coated by rGO showed good corrosion resistance compared with the pristine Al, implying that rGO may act as an effective corrosion barrier for Al. Moreover, the Al coated by the PVA-aided process exhibited higher corrosion resistance than the directly coated Al as well as the pristine Al due to the enhanced adhesion between Al and rGO.

Original language	English
Pages (from-to)	1-7
Number of pages	7
Journal	Applied Surface Science
Volume	407
DOIs	https://doi.org/10.1016/j.apsusc.2017.02.041
Publication status	Published - 2017 Jun 15

Bibliographical note

Funding Information:
H. Choi acknowledges the support from the Priority Research Centers Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2009-0093814) and the support from the Leading Foreign Research Institute Recruitment Program through the NRF funded by the Ministry of Science, ICT & Future Planning (MSIP) (2013K1A4A3055679). This work was also supported by the National Research Foundation of Korea (NRF) Grant funded by the Korean Government (MSIP, 2015R1A5A7037615). The research is also partially supported by the KIST Institutional Program (2V04081) for the micro structural analysis.

Publisher Copyright:
© 2017 Elsevier B.V.

All Science Journal Classification (ASJC) codes

Chemistry(all)
Condensed Matter Physics
Physics and Astronomy(all)
Surfaces and Interfaces
Surfaces, Coatings and Films

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10.1016/j.apsusc.2017.02.041

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title = "Reduced graphene oxide as a protection layer for Al",

abstract = "This study proposes a facile solution process to generate a reduced graphene oxide (rGO) protection layer on Al, in which polyvinyl alcohol (PVA) is used to enhance interfacial bonding between Al and rGO. A multi-level analysis indicated that PVA-aided coating induced numerous conjugations between Al and rGO by producing a large number of hydroxyl groups on the Al surface. The Al plate directly coated by rGO showed good corrosion resistance compared with the pristine Al, implying that rGO may act as an effective corrosion barrier for Al. Moreover, the Al coated by the PVA-aided process exhibited higher corrosion resistance than the directly coated Al as well as the pristine Al due to the enhanced adhesion between Al and rGO.",

author = "Haneul Jang and Kim, {Jae Hun} and Heon Kang and Donghyun Bae and Hyejung Chang and Hyunjoo Choi",

note = "Funding Information: H. Choi acknowledges the support from the Priority Research Centers Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2009-0093814) and the support from the Leading Foreign Research Institute Recruitment Program through the NRF funded by the Ministry of Science, ICT & Future Planning (MSIP) (2013K1A4A3055679). This work was also supported by the National Research Foundation of Korea (NRF) Grant funded by the Korean Government (MSIP, 2015R1A5A7037615). The research is also partially supported by the KIST Institutional Program (2V04081) for the micro structural analysis. Publisher Copyright: {\textcopyright} 2017 Elsevier B.V.",

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AU - Bae, Donghyun

AU - Chang, Hyejung

AU - Choi, Hyunjoo

N1 - Funding Information: H. Choi acknowledges the support from the Priority Research Centers Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2009-0093814) and the support from the Leading Foreign Research Institute Recruitment Program through the NRF funded by the Ministry of Science, ICT & Future Planning (MSIP) (2013K1A4A3055679). This work was also supported by the National Research Foundation of Korea (NRF) Grant funded by the Korean Government (MSIP, 2015R1A5A7037615). The research is also partially supported by the KIST Institutional Program (2V04081) for the micro structural analysis. Publisher Copyright: © 2017 Elsevier B.V.

PY - 2017/6/15

Y1 - 2017/6/15

N2 - This study proposes a facile solution process to generate a reduced graphene oxide (rGO) protection layer on Al, in which polyvinyl alcohol (PVA) is used to enhance interfacial bonding between Al and rGO. A multi-level analysis indicated that PVA-aided coating induced numerous conjugations between Al and rGO by producing a large number of hydroxyl groups on the Al surface. The Al plate directly coated by rGO showed good corrosion resistance compared with the pristine Al, implying that rGO may act as an effective corrosion barrier for Al. Moreover, the Al coated by the PVA-aided process exhibited higher corrosion resistance than the directly coated Al as well as the pristine Al due to the enhanced adhesion between Al and rGO.

AB - This study proposes a facile solution process to generate a reduced graphene oxide (rGO) protection layer on Al, in which polyvinyl alcohol (PVA) is used to enhance interfacial bonding between Al and rGO. A multi-level analysis indicated that PVA-aided coating induced numerous conjugations between Al and rGO by producing a large number of hydroxyl groups on the Al surface. The Al plate directly coated by rGO showed good corrosion resistance compared with the pristine Al, implying that rGO may act as an effective corrosion barrier for Al. Moreover, the Al coated by the PVA-aided process exhibited higher corrosion resistance than the directly coated Al as well as the pristine Al due to the enhanced adhesion between Al and rGO.

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Reduced graphene oxide as a protection layer for Al

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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