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

页码：4901 / 4906

页数：6

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