贴合功能化量子点的多壁碳纳米管光学跟踪

D. Frutiger, Lixin Dong, B. Nelson
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引用次数: 1

摘要

功能化量子点已通过碳二酰亚胺辅助偶联成功地连接到多壁碳纳米管上。透射电子显微镜下的表征显示,量子点主要附着在纳米管的开口尖端和侧壁上的缺陷位置,这表明了这种键合的共价性质和对化学反应位点的高选择性。由于其独特的荧光特性,纳米级量子点在光学显微镜下的可见性使得跟踪单个修饰纳米管在液体环境中的运动或形态变化成为可能,并确定共价附着的可能位点。这使得碳纳米管与其他纳米颗粒的处理、跟踪和集成成为可能,用于构建纳米/微工程和分子系统
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optical Tracking of Multi-walled Carbon Nanotubes by Attaching Functionalized Quantum Dots
Functionalized quantum dots have been successfully attached to multi-walled carbon nanotubes over carbodiimide-assisted coupling. Characterization in a transmission electron microscope shows the quantum dots are attached mainly at the opened tips and defect sites on the side-walls of nanotubes, suggesting the covalent nature of the bonding and high selectivity to chemically reactive sites. Due to their unique fluorescent properties, the visibility of the nanometer-sized quantum dots under an optical microscope creates the possibility of tracking the motion or morphology change of individual decorated nanotubes in a liquid environment and identifying possible sites for covalent attachment. This enables the handling, tracking, and integration of carbon nanotubes with other nanoparticles for building nano/micro engineered and molecular systems
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