Terahertz optical and electrical properties of hydrogen-functionalized carbon nanotubes

Chul Kang; In Hee Maeng; Seung Jae Oh; Seong Chu Lim; Kay Hyeok An; Young Hee Lee; Joo-Hiuk Son

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Terahertz optical and electrical properties of hydrogen-functionalized carbon nanotubes

机译：氢官能化碳纳米管的太赫兹光电性能

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This study characterized hydrogen-functionalized carbon nanotube films and compared their characteristics before and after they were hydrogen functionalized, using terahertz (THz) time-domain spectroscopy. Reduc- tion of the power absorption of the samples was observed with hydrogen functionalization. To analyze the experimental results, the effective medium approximation (EMA) was adopted. Through the EMA, the effec- tive plasma frequencies, damping rates, and other physical parameters located in the THz region were determined. In this way, decreases in the plasma frequencies and the damping rates were observed after hydrogen functionalization, which implies a decrease in the carrier density.

机译：这项研究表征了氢官能化的碳纳米管薄膜，并使用太赫兹（THz）时域光谱技术比较了其被氢官能化之前和之后的特性。通过氢官能化可以观察到样品的能量吸收降低。为了分析实验结果，采用了有效介质近似（EMA）。通过EMA，可以确定有效的等离子体频率，阻尼率和位于THz区域的其他物理参数。以此方式，在氢官能化之后观察到等离子体频率和阻尼速率的降低，这意味着载流子密度的降低。

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来源
《Physical review. B, Condensed Matter And Materials Physics》 |2007年第8期|p.085410.1-085410.5|共5页
作者
Chul Kang; In Hee Maeng; Seung Jae Oh; Seong Chu Lim; Kay Hyeok An; Young Hee Lee; Joo-Hiuk Son;
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作者单位

Advanced Photonic Research Institute, Gwangju Institute of Science & Technology, 1 Oryong-dong, Buk-gu, Gwangju 500-712, Korea;

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正文语种 eng
中图分类固体物理学;
关键词
optical properties of specific thin films; optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity); fullerenes and related materials;

机译：特定薄膜的光学特性;光学常数（包括折射率;复介电常数;吸收;反射和透射系数;发射率）;富勒烯和相关材料;

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1. Simulation Investigation on Optical and Electrical Properties of Carbon Nanotube in Terahertz Region [J] . HE Xiao-Yong, FU Xiao-Nan 理论物理通讯（英文版） . 2009,第001期

机译：太赫兹地区碳纳米管光电性能的模拟研究
2. Frequency-dependent optical constants and conductivities of hydrogen-functionalized single-walled carbon nanotubes [J] . Chul Kang, In Hee Maeng, Seung Jae Oh, Applied Physics Letters . 2005,第4期

机译：氢官能化单壁碳纳米管的频率依赖性光学常数和电导率
3. Terahertz electrical conductivity and optical characterization of composite nonaligned single- and multiwalled carbon nanotubes [J] . Dadrasnia Ehsan, Puthukodan Sujitha, Lamela Horacio Journal of Nanophotonics . 2014,第Null期

机译：复合非取向单壁和多壁碳纳米管的太赫兹电导率和光学特性
4. Characterization of Hydrogen-functionalized Carbon Nanotubes Using Terahertz Spectroscopy [C] . Chul Kang, In Hee Maeng, Tae-In Jeon, International Quantum Electronics Conference . 2005

机译：用太赫兹光谱法表征氢官能化碳纳米管
5. Optical and Electrical Properties of Single-walled Carbon Nanotubes with Known Chiralities. [D] . Zhang, Zhengyi. 2014

机译：具有已知手性的单壁碳纳米管的光电性能。
6. Characterization of Electrosynthesized Conjugated Polymer-Carbon Nanotube Composite: Optical Nonlinearity and Electrical Property [O] . Afarin Bahrami, Zainal Abidin Talib, Esmaeil Shahriari, 2012

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机译：多壁碳纳米管对聚丙烯纳米复合材料性能的影响。聚丙烯纳米复合材料中多壁碳纳米管的分散和排列增强，及其对机械，热，流变和电性能的影响。

Terahertz optical and electrical properties of hydrogen-functionalized carbon nanotubes

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