Impact of the Electron-Phonon Interactions on the Polaron Dynamics in Graphene Nanoribbons

被引：17
|
作者：
Passos Abreu, Ana Virginia [1 ]
Teixeira, Jonathan Fernando [1 ]
de Almeida Fonseca, Antonio Luciano [1 ,2 ]
Gargano, Ricardo [1 ]
Magela e Silva, Geraldo [1 ]
Ribeiro Junior, Luiz Antonio [1 ,3 ]
机构：
[1] Univ Brasilia, Inst Phys, BR-70919970 Brasilia, DF, Brazil
[2] Univ Brasilia, UnBFac Planaltina, BR-73345010 Planaltina, DF, Brazil
[3] Linkoping Univ, Dept Phys Chem & Biol IFM, SE-58183 Linkoping, Sweden
来源：
JOURNAL OF PHYSICAL CHEMISTRY A | 2016年 / 120卷 / 27期
关键词：
D O I：
10.1021/acs.jpca.5b12482
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The influence of the electron-phonon (e-ph) interactions on the filed-included polaron dynamics in armchair graphene nanoribbons (GNRs) is theoretically investigated in the scope of a two-dimensional tight-binding model. The results show that the localization of the polaronic charge increases when the strength of e-ph coupling also increases. Consequently, the polaron saturation velocity decreases for higher e-ph coupling strengths. Interestingly, the interplay between the e-ph coupling strength and the GNR width changes substantially the polaron dynamics properties.
引用
收藏
页码：4901 / 4906
页数：6
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