A resonance Raman study of carboxyl induced defects in single-walled carbon nanotubes

Talla J.; Zhang D.; Kandadai M.Avadhanula A.Curran S.

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A resonance Raman study of carboxyl induced defects in single-walled carbon nanotubes

机译：单壁碳纳米管中羧基诱导缺陷的共振拉曼研究

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Changes in the vibrational response of single-walled carbon nanotubes (SWCNTs) resulting from the introduction of structural defects on their body were studied using resonance Raman spectroscopy. Structural defects were introduced on the SWCNTs by subjecting them to carboxylation for different intervals of time. Various Raman modes were observed, including the D, G/G ~-, G' modes, and new defect induced modes were identified. Weaker vibrational modes corresponding to StoneWales defects with specific structures known as Haeckelites were identified. These modes were compared with the theoretically calculated modes and correlated to O_(5,6,7) and R _(5,7) Haeckelite structures.

机译：采用共振拉曼光谱研究了单壁碳纳米管（SWCNT）在体上引入结构缺陷导致的振动响应变化。通过对SWCNT进行不同时间间隔的羧化，在SWCNT上引入了结构缺陷。观察到各种拉曼模式，包括D、G/G~-、G'模式，并鉴定出新的缺陷诱导模式。确定了与具有特定结构的 StoneWales 缺陷相对应的较弱的振动模式，称为 Haeckelites。将这些模态与理论计算的模态进行了比较，并与O_（5,6,7）和R_（5,7）Haeckelite结构相关。

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《Physica, B. Condensed Matter》 |2010年第21期|4570-4573|共4页
作者
Talla J.; Zhang D.; Kandadai M.Avadhanula A.Curran S.;
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作者单位

Department of Physics, King Faisal University, Al-Ahsa 31982, Saudi Arabia;

Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, United States;

Department of Chemical Engineering, University of Utah, Salt Lake City, UT 84112, United StatesMicron Technology Inc., Boise, ID 83707, United StatesDepartment of Physics, University of Houston, Houston, TX 77204, United States;

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正文语种英语
中图分类物理学;
关键词
Carboxylation; Defects; Haeckelites; Resonance Raman spectroscopy; Single-walled carbon nanotubes;

机译：羧化;缺陷;海克利特人;共振拉曼光谱;单壁碳纳米管;

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A resonance Raman study of carboxyl induced defects in single-walled carbon nanotubes

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