Directed self-assembly of rhombic carbon nanotube nanomesh films for transparent and stretchable electrodes

Title
Directed self-assembly of rhombic carbon nanotube nanomesh films for transparent and stretchable electrodes
Authors
안세희최아영박종화김희숙손정곤이상수박민고현협
Keywords
Transparent conductor; stretchable electrode; template-guided self-assembly; 2D rhombic nanomesh; CNT
Issue Date
2015-03
Publisher
Journal of materials chemistry. C, Materials for optical and electronic devices
Citation
VOL 3, 2319-2325
Abstract
The development of a transparent and stretchable electrode is critical to the realization of stretchable optoelectronic devices. In this study, a template-guided self-assembly is demonstrated for the integration of carbon nanotubes into 2D rhombic nanomesh films, where the deformation of the rhombic structure accommodates the strain, greatly improving the stretchability. In addition, the regular 2D nanomesh patterns greatly reduce the contact resistance and light scattering. Our rhombic carbon nanotube nanomesh films exhibited significantly lower sheet resistance ( 10 times) at a similar optical transmittance (78%), greater stretchability ( 8 times less resistance increase at 30% strain), and better mechanical durability ( 42 times less resistance increase after 500 stretching cycles at a strain of 30%) than those of random-network carbon nanotube films.
URI
http://pubs.kist.re.kr/handle/201004/49436
ISSN
20507526
Appears in Collections:
KIST Publication > Article
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