Diameter Effect on the Sidewall Functionalization of Single-Walled Carbon Nanotubes by Addition of Dichlorocarbene

被引：16

作者：

Zhang, Kang ^{[1
,2
]}

Zhang, Qing ^{[1
,2
]}

Liu, Cao ^{[1
,2
]}

Marzari, Nicola ^{[3
]}

Stellacci, Francesco ^{[3
]}

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

[2] Natl Univ Singapore, Adv Mat Micro & Nanosyst Singapore MIT Alliance, Singapore 117576, Singapore

[3] Ecole Polytech Fed Lausanne, Dept Mat Sci & Engn, CH-1015 Lausanne, Switzerland

来源：

ADVANCED FUNCTIONAL MATERIALS | 2012年 / 22卷 / 24期

关键词：

carbon nanotubes; conductance; dichlorocarbene; functionalization; RESONANCE RAMAN-SPECTROSCOPY; ELECTRONIC-STRUCTURE; CHEMICAL FUNCTIONALIZATION; REACTIVITY; CYCLOADDITION; SUPPRESSION; CONDUCTANCE; SWCNTS;

D O I：

10.1002/adfm.201201777

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Dichlorocarbene is added to the sidewalls of single-walled carbon nanotubes (SWNTs) with diameters ranging from 1.2 to 2.2 nm. Small diameter SWNTs are found to react much more easily than large diameter SWNTs. Upon functionalization, the conductance could be largely preserved for almost all SWNTs, while an effective bandgap increase for functionalized metallic SWNTs (m-SWNTs) and a bandgap reduction for functionalized semiconducting SWNTs (s-SWNTs) are generally observed. The results suggest that [2 + 1] cycloaddition is an excellent choice of processing, resulting in SWNTs over a large diameter range with electronic properties that are almost unaffected. Furthermore, possible separation of SWNTs according to their diameters could be achieved due to the apparent diameter-dependent reactivity.

引用

页码：5216 / 5223

页数：8

共 36 条

[1] Resonance Raman spectroscopy of the radial breathing modes in carbon nanotubes [J].

Araujo, P. T. ;

Pesce, P. B. C. ;

Dresselhaus, M. S. ;

Sato, K. ;

Saito, R. ;

Jorio, A. .

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2010, 42 (05) :1251-1261

[2] Covalent surface chemistry of single-walled carbon nanotubes [J].

Banerjee, S ;

Hemraj-Benny, T ;

Wong, SS .

ADVANCED MATERIALS, 2005, 17 (01) :17-29

[3] Demonstration of diameter-selective reactivity in the sidewall ozonation of SWNTs by resonance Raman spectroscopy [J].

Banerjee, S ;

Wong, SS .

NANO LETTERS, 2004, 4 (08) :1445-1450

[4] Rational chemical strategies for carbon nanotube functionalization [J].

Banerjee, S ;

Kahn, MGC ;

Wong, SS .

CHEMISTRY-A EUROPEAN JOURNAL, 2003, 9 (09) :1899-1908

[5] Fluorescent Single-Walled Carbon Nanotubes Following the 1,3-Dipolar Cycloaddition of Pyridinium Ylides [J].

Bayazit, Mustafa K. ;

Coleman, Karl S. .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2009, 131 (30) :10670-10676

[6] Addition of carbenes to the sidewalls of single-walled carbon nanotubes [J].

Bettinger, Holger F. .

CHEMISTRY-A EUROPEAN JOURNAL, 2006, 12 (16) :4372-4379

[7]

Brown S.D. M., 2001, Phys Rev B, P63

[8] Separation of metallic and semiconducting single-walled carbon nanotubes via covalent functionatization [J].

Campidelli, Stephane ;

Meneghetti, Moreno ;

Prato, Maurizio .

SMALL, 2007, 3 (10) :1672-1676

[9] Side-wall opening of single-walled carbon nanotubes (SWCNTs) by chemical modification: A critical theoretical study [J].

Chen, ZF ;

Nagase, S ;

Hirsch, A ;

Haddon, RC ;

Thiel, W ;

Schleyer, PV .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2004, 43 (12) :1552-1554

[10] Reactivity of the convex and concave surfaces of single-walled carbon nanotubes (SWCNTs) towards addition reactions: Dependence on the carbon-atom pyramidalization [J].

Chen, ZF ;

Thiel, W ;

Hirsch, A .

CHEMPHYSCHEM, 2003, 4 (01) :93-+

← 1 2 3 4 →