基于碳纳米管系统中有序性的近边X射线吸收精细结构研究。

Near-edge X-ray absorption fine structure investigations of order in carbon nanotube-based systems.

作者信息

Banerjee Sarbajit, Hemraj-Benny Tirandai, Sambasivan Sharadha, Fischer Daniel A, Misewich James A, Wong Stanislaus S

机构信息

Department of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794-3400, USA.

出版信息

J Phys Chem B. 2005 May 5;109(17):8489-95. doi: 10.1021/jp047408t.

DOI:10.1021/jp047408t

PMID:16851997

Abstract

Probing order in nanotube systems is of fundamental importance in devising applications of these tubes in field emission applications as well as for components of composite materials. We use near-edge X-ray absorption fine structure (NEXAFS) spectroscopy to qualitatively and quantitatively study the degree of order and alignment in a wide range of carbon nanotube-based systems, including single-walled carbon nanotube (SWNT) powder, SWNT films, and aligned multiwalled carbon nanotubes. The results are compared to analogous data obtained from a highly ordered pyrolytic graphite (HOPG) sample.

摘要

在设计这些碳纳米管在场发射应用以及复合材料部件中的应用时，探索纳米管系统中的有序性至关重要。我们使用近边X射线吸收精细结构（NEXAFS）光谱来定性和定量研究各种基于碳纳米管的系统中的有序度和排列情况，包括单壁碳纳米管（SWNT）粉末、SWNT薄膜以及排列的多壁碳纳米管。将结果与从高度有序的热解石墨（HOPG）样品获得的类似数据进行比较。