氮掺杂石墨烯纳米结构的等离激元激发

尹海峰; 陈广萍; 向功周; 张红

doi:10.3788/fgxb20143511.1297

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氮掺杂石墨烯纳米结构的等离激元激发

材料合成及性能 | 更新时间：2020-08-12

- 氮掺杂石墨烯纳米结构的等离激元激发
- Plasmon Excitation in Nitrogen-doped Graphene Nanostructures
- 发光学报 2014年35卷第11期页码：1297-1305
- 作者机构：
  
  1. 凯里学院物理与电子工程学院,贵州凯里,556011
  2. 四川大学物理科学与技术学院,四川成都,610065
- 作者简介：
- 基金信息：
  
  国家自然科学基金(11464023,11474207)();贵州省科技厅基金(黔科合J字[2012]2299号,黔科合J字LKK[2013]19号)资助项目()
- DOI：10.3788/fgxb20143511.1297
  中图分类号： O611.4;O482.31
- 纸质出版日期：2014-11-3，
  
  网络出版日期：2014-7-11，
  
  收稿日期：2014-7-25，
  
  修回日期：2014-8-9，
扫描看全文
尹海峰, 陈广萍, 向功周等. 氮掺杂石墨烯纳米结构的等离激元激发[J]. 发光学报, 2014,35(11): 1297-1305

YIN Hai-feng, CHEN Guang-ping, XIANG Gong-zhou etc. Plasmon Excitation in Nitrogen-doped Graphene Nanostructures[J]. Chinese Journal of Luminescence, 2014,35(11): 1297-1305
尹海峰, 陈广萍, 向功周等. 氮掺杂石墨烯纳米结构的等离激元激发[J]. 发光学报, 2014,35(11): 1297-1305 DOI： 10.3788/fgxb20143511.1297.

YIN Hai-feng, CHEN Guang-ping, XIANG Gong-zhou etc. Plasmon Excitation in Nitrogen-doped Graphene Nanostructures[J]. Chinese Journal of Luminescence, 2014,35(11): 1297-1305 DOI： 10.3788/fgxb20143511.1297.

摘要

基于含时密度泛函理论

研究了氮掺杂石墨烯纳米结构的等离激元特性。吡啶型氮掺杂不影响石墨烯纳米结构的等离激元激发特性

而取代型氮掺杂主要基于石墨烯纳米结构对称性的改变和体系中电子密度的增加来影响石墨烯纳米结构的等离激元共振。相对于纯六角石墨烯纳米结构

在低能共振区

取代型氮掺杂六角石墨烯纳米结构的等离激元共振能量发生了红移。相对于纯矩形石墨烯纳米结构

在低能共振区

取代型氮掺杂矩形石墨烯纳米结构沿扶手椅型边界方向激发时

其等离激元共振能量发生了蓝移;沿Z字型边界激发时

其主要的等离激元共振模式受掺杂氮的影响较小.

Abstract

Plasmon characteristics in nitrogen-doped graphene nanostructures are studied by time-dependent density functional theory. The pyridinic-nitrogen doping does not affect plasmon characteristics of graphene nanostructures

while the substitutional-nitrogen doping affects plasmon resonances of graphene nanostructures due to two main competing factors: The reduced symmetry of graphene nanostructures and the increase of the electron densities. After doped with substitutional-nitrogen

low-energy spectra of hexagonal graphene nanostructures are red-shifted. For rectangular graphene nanostructures

along the armchair-edge direction

the main low-energy spectra always show blue-shifts. However

along the zigzag-edge direction

the substitutional-nitrogen doping has little effect on the main lower-energy collective excitation.

关键词

等离激元氮掺杂石墨烯纳米结构含时密度泛函理论

Keywords

plasmonnitrogen-doped graphene nanostructurestime-dependent density functional theory

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