Integration of graphene electrode on cylindrical substrates by thin film rolling method = 회전식 박막 코팅법을 이용한 원통형 기판용 그래핀 전극 적용

Cited 0 time in webofscience Cited 0 time in scopus
  • Hit : 112
  • Download : 0
1) a thin film is floated on water surface, 2) the floating thin film is contacted with a cylindrical substrate, and 3) the cylindrical substrate is rotated, then the thin film is rolled up on the substrate through van der Waals interactions. In order to investigate transfer mechanism, the adhesion forces between cylindrical substrate-film and film-water were quantitatively calculated by surface energy measurement and theoretical models. Moreover, a thin film rolling equipment was developed for precise control of substrate diameters and the number of rotations. As an application, the electroactive actuator was designed by integrating the graphene-gold composite electrode on nafion tube using thin film rolling method. In addition, we evaluated the flexibility and stretchability of graphene-gold electrode integrated devices, and investigated the effects of graphene on mechanical reliability. Furthermore, thin film laminated free-standing tubes, and rolling super-capacitors were demonstrated. The proposed thin film rolling method enables facile and cost-competitive transfer of thin films on cylindrical substrates. Therefore, we strongly believe that this method can be adopted to various research areas and opens up new markets.; The adoption of polymer substrates is inevitable in future electronic devices which require large deformable properties, such as wearable, stretchable, and flexible. Accordingly, various thin film deposition and transfer technologies have been studied in recent years. However, almost the whole previous technologies were limited to 2D planar substrate applications, and not suitable for utilizing 3D curved or cylindrical substrates. Here, we demonstrated a thin film rolling method that can transfer thin films on 3D cylindrical substrates. The thin film rolling method can be accomplished easily by following procedures
Advisors
Kim, Taek-Sooresearcher김택수researcher
Description
한국과학기술원 :기계공학과,
Publisher
한국과학기술원
Issue Date
2017
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 기계공학과, 2017.2,[viii, 69 p. :]

Keywords

cylindrical substrate; electroactive actuator; graphene; mechanical reliability; thin film rolling method; 그래핀; 기계적 신뢰성; 원통형 기판; 전기 활성 작동 장치; 회전식 박막 코팅법

URI
http://hdl.handle.net/10203/242820
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=675085&flag=dissertation
Appears in Collection
ME-Theses_Master(석사논문)
Files in This Item
There are no files associated with this item.

qr_code

  • mendeley

    citeulike


rss_1.0 rss_2.0 atom_1.0