Quantitative characterization of SWNT orientation by polarized Raman spectroscopy

被引：98

作者：

Liu, T ^{[1
]}

Kumar, S ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Polymer Text & Fiber Engn, Atlanta, GA 30332 USA

来源：

CHEMICAL PHYSICS LETTERS | 2003年 / 378卷 / 3-4期

关键词：

D O I：

10.1016/S0009-2614(03)01287-9

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：

A generalized spherical harmonics expanded orientation distribution function (ODF) has been used to study the orientation of SWNTs. A relationship between the second- and fourth-order SWNT orientation parameters and the Raman scattering intensity and depolarization ratio has been established. Only by determining the VV and VH intensities at 0degrees and 90degrees to the orientation direction, the second- and fourth-order SWNT orientation parameters can be determined. From the second- and fourth-order orientation parameters, orientation distribution function can be constructed using the maximum entropy formalism. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：257 / 262

页数：6

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