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2025 Vol.35, Issue 9 Preview Page

Research Paper

Effect of Polymethyl Methacrylate Concentration and Ultraviolet Ozone Treatment on Large-Area Graphene Wet Transfer

PMMA 농도 및 UVO 처리시간이 대면적 그래핀 습식 전사에 미치는 영향

Jeongbin Kim1
,
Ashish Arun Patil2
,
Suhyeok Chae1
,
Donggyu An1
,
Yeonjoo Park1
,
Yoon-Kee Kim1
,
Yung-Jun Oh1
,
Jun-Hui Choi3
,
Jae-Hyun Lee3
,
Sanghyun Jeong2†
,
Sangyeob Lee12†
김 정빈1
,
Patil Ashish Arun2
,
채 수혁1
,
안 동규1
,
박 연주1
,
김 윤기1
,
오 용준1
,
최 준희3
,
이 재현3
,
정 상현2†
,
이 상엽12†
1Department of Materials Science and Engineering, Hanbat National University, Daejeon 34158, Republic of Korea
2Department of Materials and Manufacturing Engineering, Hanbat National University, Daejeon 34158, Republic of Korea
3Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
1국립한밭대학교 신소재공학과
2국립한밭대학교 소재시스템공학과
3성균관대학교 전자전기공학부
†Corresponding author E-Mail : jmendel77@gmail.com (S. Jeong, Hanbat Nat’l University), sangyeob@hanbat.ac.kr (S. Lee, Hanbat Nat’l University)
27 September 2025. pp. 441-448
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Abstract

Graphene, mechanically exfoliated as a single-atom-thick two-dimensional (2D) material, is renowned for its exceptional carrier mobility and mechanical strength, making it a highly promising material for a wide range of applications; however, following the synthesis of large-area, high-quality graphene, quality degradation, such as tearing, frequently occurs during the transfer process. Currently, chemical vapor deposition (CVD) enables reliable synthesis of large-area graphene, and both wet and dry transfer methods are widely employed to transfer graphene onto various substrates. This study focuses on the wet transfer method to improve transfer efficiency by optimizing the interfacial adhesion among graphene, the polymethyl methacrylate (PMMA) support layer, and the target substrate. To enhance the efficiency of the wet transfer process, the PMMA concentration and ultraviolet ozone (UVO) treatment time were systematically optimized. As a result, a transfer yield of up to 97.16 % was achieved under optimized conditions consisting of 6 % PMMA concentration and 15 min of UVO exposure. This research contributes to the development of highly efficient graphene transfer techniques, which are crucial for reducing production costs and processing time in a wide range of advanced applications such as electronics, energy storage, biomedical devices, environmental monitoring, and materials science.

Keywords
chemical vapor deposition (CVD)
graphene
wet transfer
polymethyl methacrylate (PMMA)
ultraviolet ozone (UVO)
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Information
  • Publisher :Materials Research Society of Korea
  • Publisher(Ko) :한국재료학회
  • Journal Title :Korean Journal of Materials Research
  • Journal Title(Ko) :한국재료학회지
  • Volume : 35
  • No :9
  • Pages :441-448
  • Received Date : 2025-08-13
  • Revised Date : 2025-09-11
  • Accepted Date : 2025-09-12
  • DOI :https://doi.org/10.3740/MRSK.2025.35.9.441
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