Flexible Indium-Tin Oxide Crystal on Plastic Substrates Supported by Graphene Monolayer
- Authors
- Lee, Sang Jin; Kim, Yekyung; Hwang, Jun-Yeon; Lee, Ju-Ho; Jung, Seungon; Park, Hyesung; Cho, Seungmin; Nahm, Sahn; Yang, Woo Seok; Kim, Hyeongkeun; Han, Seung Ho
- Issue Date
- 9-6월-2017
- Publisher
- NATURE PUBLISHING GROUP
- Citation
- SCIENTIFIC REPORTS, v.7
- Indexed
- SCIE
SCOPUS
- Journal Title
- SCIENTIFIC REPORTS
- Volume
- 7
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/83146
- DOI
- 10.1038/s41598-017-02265-3
- ISSN
- 2045-2322
- Abstract
- Flexible and crystallized indium-tin oxide (ITO) thin films were successfully obtained on plastic polyethylene terephthalate (PET) films with monolayered graphene as a platform. The highly crystalline ITO (c-ITO) was first fabricated on a rigid substrate of graphene on copper foil and it was subsequently transferred onto a PET substrate by a well-established technique. Despite the plasma damage during ITO deposition, the graphene layer effectively acted as a Cu-diffusion barrier. The c-ITO/graphene/ PET electrode with the 60-nm-thick ITO exhibited a reasonable sheet resistance of similar to 45 Omega sq(-1) and a transmittance of similar to 92% at a wavelength of 550 nm. The c-ITO on the monolayered graphene support showed significant enhancement in flexibility compared with the ITO/PET film without graphene because the atomically controlled monolayered graphene acted as a mechanically robust support. The prepared flexible transparent c-ITO/graphene/PET electrode was applied as the anode in a bulk heterojunction polymer solar cell (PSC) to evaluate its performance, which was comparable with that of the commonly used c-ITO/glass electrode. These results represent important progress in the fabrication of flexible transparent electrodes for future optoelectronics applications.
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Collections - College of Engineering > Department of Materials Science and Engineering > 1. Journal Articles
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