Functionalization of single-walled carbon nanotubes with uracil, guanine, thymine and L-alanine

被引：11
|
作者：
Silambarasan, D. [1 ]
Iyakutti, K. [2 ]
Vasu, V. [1 ]
机构：
[1] Madurai Kamaraj Univ, Sch Phys, Thin Film Lab, Madurai 625021, Tamil Nadu, India
[2] SRM Univ, Dept Phys & Nanotechnol, Kattankulathur 603203, Tamil Nadu, India
来源：
CHEMICAL PHYSICS LETTERS | 2014年 / 604卷
关键词：
SIDEWALL FUNCTIONALIZATION; STORAGE; ADSORPTION; HYDROGEN; BINDING; HYBRIDS;
D O I：
10.1016/j.cplett.2014.04.049
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：
Experimental investigation of functionalization of oxidized single-walled carbon nanotubes (OSWCNTs) with three nucleic acid bases such as uracil, guanine, thymine and one amino acid, L-alanine is carried out. Initially, the SWCNTs are oxidized by acid treatment. Further, the oxidized SWCNTs are effectively functionalized with aforementioned biological compounds by ultrasonication. The diameter of OSWCNTs has increased after the adsorption of biological compounds. The cumulative Pi-Pi stacking, hydrogen bond and polar interaction are the key factors to realize the adsorption. The amount of adsorption of each biological compound is estimated. The adsorption of guanine is more among all the four biological compounds. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：83 / 88
页数：6
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