Semiconductors, volume 52, issue 14, pages 1890-1893

Absorption in Finite-Length Chevron-Type Graphene Nanoribbons

Saroka V A 1
Abdelsalam H 2
Demin V A 3
Grassano D 4
Kuten S. A. 1
Pushkarchuk A. L. 1, 5
Pulci O 4
2
 
Department of Theoretical Physics, National Research Center, Cairo, Egypt
4
 
Department of Physics, University of Rome Tor Vergata, Rome, Italy
Publication typeJournal Article
Publication date2018-12-27
Journal: Semiconductors
Quartile SCImago
Q3
Quartile WOS
Q4
Impact factor0.7
ISSN10637826, 10906479, 17267315, 09412751
Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
Using a combination of the density functional theory and tight-binding calculations, we study electronic and optical properties of asymmetric chevron-type graphene nanoribbons recently synthesized with atomic precision. We demonstrate that the low-energy optical selection rules in such infinite chiral ribbons are more reminiscent of those for zigzag rather than for armchair ribbons. It is also shown that, starting from about 25 nm long ribbons, the low-energy absorption and therefore the selection rules of infinitely long ribbons are well reproduced in the finite cluster approach. Hence, ribbons longer than 25 nm (about 28 unit cells) can be treated as infinitely long ones.

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GOST Copy
Saroka V. A. et al. Absorption in Finite-Length Chevron-Type Graphene Nanoribbons // Semiconductors. 2018. Vol. 52. No. 14. pp. 1890-1893.
GOST all authors (up to 50) Copy
Saroka V. A., Abdelsalam H., Demin V. A., Grassano D., Kuten S. A., Pushkarchuk A. L., Pulci O. Absorption in Finite-Length Chevron-Type Graphene Nanoribbons // Semiconductors. 2018. Vol. 52. No. 14. pp. 1890-1893.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1134/S1063782618140269
UR - https://doi.org/10.1134%2FS1063782618140269
TI - Absorption in Finite-Length Chevron-Type Graphene Nanoribbons
T2 - Semiconductors
AU - Saroka, V A
AU - Abdelsalam, H
AU - Demin, V A
AU - Grassano, D
AU - Kuten, S. A.
AU - Pushkarchuk, A. L.
AU - Pulci, O
PY - 2018
DA - 2018/12/27 00:00:00
PB - Pleiades Publishing
SP - 1890-1893
IS - 14
VL - 52
SN - 1063-7826
SN - 1090-6479
SN - 1726-7315
SN - 0941-2751
ER -
BibTex |
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BibTex Copy
@article{2018_Saroka
author = {V A Saroka and H Abdelsalam and V A Demin and D Grassano and S. A. Kuten and A. L. Pushkarchuk and O Pulci},
title = {Absorption in Finite-Length Chevron-Type Graphene Nanoribbons},
journal = {Semiconductors},
year = {2018},
volume = {52},
publisher = {Pleiades Publishing},
month = {dec},
url = {https://doi.org/10.1134%2FS1063782618140269},
number = {14},
pages = {1890--1893},
doi = {10.1134/S1063782618140269}
}
MLA
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MLA Copy
Saroka, V. A., et al. “Absorption in Finite-Length Chevron-Type Graphene Nanoribbons.” Semiconductors, vol. 52, no. 14, Dec. 2018, pp. 1890-1893. https://doi.org/10.1134%2FS1063782618140269.
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