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나노 구조 물리 연구단
나노구조물리 연구단
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Ultrafast Heating for Intrinsic Properties of Atomically Thin Two-Dimensional Materials on Plastic Substrates

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Title
Ultrafast Heating for Intrinsic Properties of Atomically Thin Two-Dimensional Materials on Plastic Substrates
Author(s)
Ho Young Kim; Jae-Won Lee; Hye Min Oh; Kang-Jun Baeg; Sunshin Jung; Ho-Soon Yang; Wonki Lee; Jun Yeon Hwang; Keun Soo Kim; Seung Yol Jeong; Joong Tark Han; Mun Seok Jeong; Geon-Woong Lee; Hee Jin Jeong
Publication Date
2016-11
Journal
ACS APPLIED MATERIALS & INTERFACES, v.8, no.45, pp.31222 - 31230
Publisher
AMER CHEMICAL SOC
Abstract
Despite recent progress in producing flexible and stretchable electronics based on two-dimensional (2D) nanosheets, their intrinsic properties are often degraded by the presence of polymeric residues that remain attached to the 2D nanosheet surfaces following fabrication. Further breakthroughs are therefore keenly awaited to obtain clean surfaces compatible with flexible applications. Here, we report a method that allows the 2D nanosheets to be intrinsically integrated onto flexible substrates. The method involves thermal decomposition of polymeric residues by microwave-induced ultrafast heating of the surface without affecting the underlying flexible substrate. Mapping the C-O stretching mode by Fourier-transform infrared spectroscopy in combination with atomic force microscopy confirms elimination of the polymeric residues from the 2D nanosheet surface. Flexible devices prepared using microwave-cleaned 2D nanosheets show enhanced electrical, optical, and electrothermal performances. This simple technique is applicable to a wide range of 2D nanomaterials and represents an important advance in the field of flexible devices. © 2016 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/3247
ISSN
1944-8244
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
Files in This Item:
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