Preparation of Surface Adsorbed and Impregnated Multi-walled Carbon Nanotube/Nylon-6 Nanofiber Composites and Investigation of their Gas Sensing Ability

被引：44

作者：

Lala, Neeta L. ^{[1
]}

Thavasi, Velmurugan ^{[2
]}

Ramakrishna, Seeram ^{[1
,2
,3
]}

机构：

[1] Natl Univ Singapore, Dept Mech Engn, Singapore 117576, Singapore

[2] Natl Univ Singapore, Nanosci & Nanotechnol Initiat, Singapore 117576, Singapore

[3] Natl Univ Singapore, Div Bioengn, Singapore 117576, Singapore

来源：

SENSORS | 2009年 / 9卷 / 01期

关键词：

Porosity; electrospinning; nanofibers; dispersion; one dimensional material; surface functionalization; THIN-FILMS; NANOTUBES; FABRICATION; SENSORS; ADSORPTION; BIOSENSORS; BACTERIAL; SYSTEMS;

D O I：

10.3390/s90100086

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We have prepared electrospun Nylon-6 nanofibers via electrospinning, and adsorbed multi-walled carbon nanotubes (MWCNTs) onto the surface of Nylon-6 fibers using Triton (R) X-100 to form a MWCNTs/Nylon-6 nanofiber composite. The dispersed MWCNTs have been found to be stable in hexafluoroisopropanol for several months without precipitation. A MWCNTs/Nylon-6 nanofiber composite based chemical sensor has demonstrated its responsiveness towards a wide range of solvent vapours at room temperature and only mg quantities of MWCNTs were expended. The large surface area and porous nature of the electrospun Nylon-6/MWCNT nanofibers facilitates greater analyte permeability. The experimental analysis has indicated that the dipole moment, functional group and vapour pressure of the analytes determine the magnitude of the responsiveness.

引用

页码：86 / 101

页数：16

共 52 条

[1] Biosensing with plasmonic nanosensors [J].

Anker, Jeffrey N. ;

Hall, W. Paige ;

Lyandres, Olga ;

Shah, Nilam C. ;

Zhao, Jing ;

Van Duyne, Richard P. .

NATURE MATERIALS, 2008, 7 (06) :442-453

[2]

BAKER S, 2005, 229 ACS NAT M SAN DI, P13

[3] Vapor response properties of conducting composites prepared from crystalline oligomer-grafted carbon black [J].

Chen, JH ;

Tsubokawa, N ;

Maekawa, Y ;

Yoshida, M .

CARBON, 2002, 40 (09) :1602-1605

[4] Layer-by-layer assembly of multiwall carbon nanotubes on spherical colloids [J].

Correa-Duarte, MA ;

Kosiorek, A ;

Kandulski, W ;

Giersig, M ;

Liz-Marzán, LM .

CHEMISTRY OF MATERIALS, 2005, 17 (12) :3268-3272

[5] Carbon nanotubes embedded in oriented polymer nanofibers by electrospinning [J].

Dror, Y ;

Salalha, W ;

Khalfin, RL ;

Cohen, Y ;

Yarin, AL ;

Zussman, E .

LANGMUIR, 2003, 19 (17) :7012-7020

[6] Macroscopic, neat, single-walled carbon nanotube fibers [J].

Ericson, LM ;

Fan, H ;

Peng, HQ ;

Davis, VA ;

Zhou, W ;

Sulpizio, J ;

Wang, YH ;

Booker, R ;

Vavro, J ;

Guthy, C ;

Parra-Vasquez, ANG ;

Kim, MJ ;

Ramesh, S ;

Saini, RK ;

Kittrell, C ;

Lavin, G ;

Schmidt, H ;

Adams, WW ;

Billups, WE ;

Pasquali, M ;

Hwang, WF ;

Hauge, RH ;

Fischer, JE ;

Smalley, RE .

SCIENCE, 2004, 305 (5689) :1447-1450

[7] Chemical engineering of the single-walled carbon nanotube-nylon 6 interface [J].

Gao, JB ;

Zhao, B ;

Itkis, ME ;

Bekyarova, E ;

Hu, H ;

Kranak, V ;

Yu, AP ;

Haddon, RC .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2006, 128 (23) :7492-7496

[8] Computational and experimental study of interfacial bonding of single-walled nanotube reinforced composites [J].

Gou, JH ;

Minaie, B ;

Wang, B ;

Liang, ZY ;

Zhang, C .

COMPUTATIONAL MATERIALS SCIENCE, 2004, 31 (3-4) :225-236

[9] Multi-layer LB films of single-wall carbon nanotubes [J].

Guo, YZ ;

Minami, N ;

Kazaoui, S ;

Peng, JB ;

Yoshida, M ;

Miyashita, T .

PHYSICA B-CONDENSED MATTER, 2002, 323 (1-4) :235-236

[10] Manipulation of single-wall carbon nanotubes into aligned molecular layers [J].

Guo, YZ ;

Wu, JS ;

Zhang, YF .

CHEMICAL PHYSICS LETTERS, 2002, 362 (3-4) :314-318

← 1 2 3 4 5 6 →