Terahertz Spectroscopy of Isolated Graphene Flakes Inside Polymer-Based Nanocomposite Samples

被引：0

作者：

Koroliov, A. ^{[1
,2
]}

Staniszewski, Z. ^{[3
]}

Chen, G. ^{[1
]}

Shrestha, R. ^{[1
]}

Laszcz, A. ^{[4
]}

Czerwinski, A. ^{[4
]}

El Fray, M. ^{[3
]}

Richter, C. ^{[5
]}

Sobolewski, Roman ^{[1
]}

机构：

[1] Univ Rochester, 601 Elmwood Ave, Rochester, NY 14627 USA

[2] Ctr Phys Sci & Technol, Semicond Phys Inst, LT-10222 Vilnius, Lithuania

[3] West Pomeranian Univ Technol, PL-70322 Szczecin, Poland

[4] Inst Electr Mat Technol, PL-02668 Warsaw, Poland

[5] Rochester Inst Technol, Rochester, NY 14623 USA

来源：

2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2016年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present transient THz spectroscopy studies of graphene nano-flakes imbedded in a polymer medium, forming a nanocomposite with 1% graphene content. We measured both the pure polymer and nanocomposite transmission spectra extending up to 4 THz and by comparing them obtained the absorption, the complex index of reflection, and conductivity of the embedded graphene. The conductivity results follow the Drude-Smith model with the imaginary part being negative, a property that indicates the total backscattering of carriers within the graphene grains.

引用

页数：2

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