Nano Energy, volume 35, pages 26-35
Significantly reduced thermal conductivity and enhanced thermoelectric properties of single- and bi-layer graphene nanomeshes with sub-10 nm neck-width
Oh Jin-Woo
1, 2
,
Yoo Hoyeon
3, 4, 5, 6
,
Choi Jaeyoo
2
,
Kim J S
7
,
Lee Dong Hoon
8
,
Kim Myung
8
,
Lee Jong Suk
9
,
Kim W S
10
,
Grossman Jeffrey A.
7
,
Park Jong Taek
2
,
Lee* Sang Gyu
2
,
Kim Heesuk
2
,
1
School of Chemical and Biological Engineering, Seoul National University, Seoul, 08826, Republic of Korea
|
2
Photo-Electronic Hybrids Research Center, Korea Institute of Science and Technology, Seoul, 02792, Republic of Korea
|
3
Photo-electronic Hybrids Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
|
4
Seoul 02841 Republic of Korea
|
5
Korea University
6
Department of Chemical and Biological Engineering
8
Soft Innovative Materials Research Center, Korea Institute of Science and Technology, Wanju-gun, Jeollabuk-do 55324, Republic of Korea
|
9
School of Chemical and Biological Engineering , Seoul National University , Seoul , 08826 , Republic of Korea.
|
10
Dept. of Chemical and Biological Engineering, Korea University, Seoul 02841, Republic of Korea
|
Publication type: Journal Article
Publication date: 2017-05-01
General Materials Science
Electrical and Electronic Engineering
Renewable Energy, Sustainability and the Environment
Abstract
When graphene is shrunk into ~10 nm scale graphene nanoribbons or nanomesh structures, it is expected that not only electrical properties but also thermal conductivity and thermoelectric property are significantly altered due to the quantum confinement effect and extrinsic phonon-edge scattering. Here, we fabricate large-area, sub-10 nm single- and bilayer graphene nanomeshes from block copolymer self-assembly and measure the thermal conductivity, thermoelectric and electrical transport properties to experimentally verify the effect of sub-10 nm quantum confinement, phonon-edge scattering and cross-plane coupling. Among the large variety of the samples, bilayer graphene nanomesh having 8 nm-neck width showed significantly low thermal conductivity down to ~78 W m−1 K−1, which is the lowest thermal conductivity for suspended graphene nanostructures, and a high thermopower value of −520 μV K−1, while it still shows the comparably high carrier mobility. Classical and quantum mechanical calculations successfully supported our nanomesh approach, which can achieve high thermoelectric properties based on the significantly reduced thermal conductivity and higher thermopower due to the confined geometry.
Citations by journals
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1
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6
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Carbon
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Carbon
6 publications, 6.98%
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ACS applied materials & interfaces
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ACS applied materials & interfaces
5 publications, 5.81%
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Nanoscale
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Nanoscale
4 publications, 4.65%
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Nanotechnology
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Nanotechnology
3 publications, 3.49%
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Applied Physics Letters
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Applied Physics Letters
3 publications, 3.49%
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Materials
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Materials
3 publications, 3.49%
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Nano Energy
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Nano Energy
3 publications, 3.49%
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Micromachines
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Micromachines
2 publications, 2.33%
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Scientific Reports
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Scientific Reports
2 publications, 2.33%
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Nano-Micro Letters
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Nano-Micro Letters
2 publications, 2.33%
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Physica E: Low-Dimensional Systems and Nanostructures
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Physica E: Low-Dimensional Systems and Nanostructures
2 publications, 2.33%
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Small
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Small
2 publications, 2.33%
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Chemical Reviews
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Chemical Reviews
2 publications, 2.33%
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Physical Chemistry Chemical Physics
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Physical Chemistry Chemical Physics
2 publications, 2.33%
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Acta Physica Sinica
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Acta Physica Sinica
2 publications, 2.33%
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Physical Review Applied
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Physical Review Applied
1 publication, 1.16%
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Energies
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Energies
1 publication, 1.16%
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Science China: Physics, Mechanics and Astronomy
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Science China: Physics, Mechanics and Astronomy, 1, 1.16%
Science China: Physics, Mechanics and Astronomy
1 publication, 1.16%
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MRS Advances
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MRS Advances
1 publication, 1.16%
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Journal of Inorganic and Organometallic Polymers and Materials
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Journal of Inorganic and Organometallic Polymers and Materials
1 publication, 1.16%
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Diamond and Related Materials
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Diamond and Related Materials
1 publication, 1.16%
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Carbon Trends
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Carbon Trends
1 publication, 1.16%
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International Journal of Heat and Mass Transfer
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International Journal of Heat and Mass Transfer
1 publication, 1.16%
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iScience
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iScience
1 publication, 1.16%
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Energy Reports
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Energy Reports
1 publication, 1.16%
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Thin Solid Films
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Thin Solid Films
1 publication, 1.16%
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Materials Research Express
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Materials Research Express
1 publication, 1.16%
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Electronic Structure
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Electronic Structure
1 publication, 1.16%
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Physica Scripta
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Physica Scripta
1 publication, 1.16%
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1
2
3
4
5
6
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Citations by publishers
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5
10
15
20
25
30
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Elsevier
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Elsevier
30 publications, 34.88%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
8 publications, 9.3%
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IOP Publishing
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IOP Publishing
8 publications, 9.3%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
8 publications, 9.3%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
6 publications, 6.98%
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Springer Nature
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Springer Nature
6 publications, 6.98%
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Wiley
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Wiley
5 publications, 5.81%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
3 publications, 3.49%
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Taylor & Francis
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Taylor & Francis
2 publications, 2.33%
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Chinese Physical Society
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Chinese Physical Society
2 publications, 2.33%
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American Physical Society (APS)
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American Physical Society (APS)
1 publication, 1.16%
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Science in China Press
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Science in China Press, 1, 1.16%
Science in China Press
1 publication, 1.16%
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Materials Research Society
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Materials Research Society
1 publication, 1.16%
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Pleiades Publishing
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Pleiades Publishing
1 publication, 1.16%
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5
10
15
20
25
30
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Oh J. et al. Significantly reduced thermal conductivity and enhanced thermoelectric properties of single- and bi-layer graphene nanomeshes with sub-10 nm neck-width // Nano Energy. 2017. Vol. 35. pp. 26-35.
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Oh J., Yoo H., Choi J., Kim J. S., Lee D. H., Kim M., Lee J. S., Kim W. S., Grossman J. A., Park J. T., Lee* S. G., Kim H., Son J. G. Significantly reduced thermal conductivity and enhanced thermoelectric properties of single- and bi-layer graphene nanomeshes with sub-10 nm neck-width // Nano Energy. 2017. Vol. 35. pp. 26-35.
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TY - JOUR
DO - 10.1016/j.nanoen.2017.03.019
UR - https://doi.org/10.1016%2Fj.nanoen.2017.03.019
TI - Significantly reduced thermal conductivity and enhanced thermoelectric properties of single- and bi-layer graphene nanomeshes with sub-10 nm neck-width
T2 - Nano Energy
AU - Oh, Jin-Woo
AU - Yoo, Hoyeon
AU - Choi, Jaeyoo
AU - Kim, J S
AU - Lee, Dong Hoon
AU - Kim, Myung
AU - Lee, Jong Suk
AU - Kim, W S
AU - Grossman, Jeffrey A.
AU - Park, Jong Taek
AU - Lee*, Sang Gyu
AU - Kim, Heesuk
AU - Son, Jeong Gon
PY - 2017
DA - 2017/05/01 00:00:00
PB - Elsevier
SP - 26-35
VL - 35
SN - 2211-2855
ER -
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@article{2017_Oh,
author = {Jin-Woo Oh and Hoyeon Yoo and Jaeyoo Choi and J S Kim and Dong Hoon Lee and Myung Kim and Jong Suk Lee and W S Kim and Jeffrey A. Grossman and Jong Taek Park and Sang Gyu Lee* and Heesuk Kim and Jeong Gon Son},
title = {Significantly reduced thermal conductivity and enhanced thermoelectric properties of single- and bi-layer graphene nanomeshes with sub-10 nm neck-width},
journal = {Nano Energy},
year = {2017},
volume = {35},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016%2Fj.nanoen.2017.03.019},
pages = {26--35},
doi = {10.1016/j.nanoen.2017.03.019}
}