Induced chirality in single walled carbon nanotube based self-assembly

被引：8
|
作者：
Bhattacharyya, Tamoghna [1 ,2 ]
Roy, Sarita [2 ]
Ray, Pulak [3 ]
Dasgupta, Anjan Kr [1 ,2 ]
机构：
[1] Univ Calcutta, Ctr Res Nanosci & Nanotechnol, Kolkata, India
[2] Univ Calcutta, Dept Biochem, Kolkata, India
[3] Saha Inst Nucl Phys, Dept Biophys Div, Kolkata 700064, India
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2014年 / 2卷 / 16期
关键词：
LOW-DIMENSIONAL SYSTEMS; SPECTROSCOPY;
D O I：
10.1039/c4ta00110a
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：
Chirality is an important determinant of the optical and electronic properties of single walled carbon nanotubes (SWNTs). Pristine zigzag SWNTs have been functionalized with lipids by a solid state functionalization process. Neither the lipids nor the SWNTs show a circular dichroism (CD) signal prior to functionalization. Upon functionalization, a change in the joint density of electronic states occurs which is reflected by a three-peak G' band profile and the emergence of a CD signal. A molecular mechanism for the emergent CD signal associated with this lipid-specific self-assembly is described.
引用
收藏
页码：5759 / 5765
页数：7
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