Mechanically Tough, Electrically Conductive Polyethylene Oxide Nanofiber Web Incorporating DNA-Wrapped Double-Walled Carbon Nanotubes

2013 ◽  
Vol 5 (10) ◽  
pp. 4150-4154 ◽  
Author(s):  
Jin Hee Kim ◽  
Masakazu Kataoka ◽  
Yong Chae Jung ◽  
Yong-Il Ko ◽  
Kazunori Fujisawa ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Polyethylene Oxide ◽  
Electrically Conductive ◽  
Nanofiber Web ◽  
Double Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

Stretchable electrically conductive and high gas barrier nanocomposites

2018 ◽  
Vol 6 (8) ◽  
pp. 2095-2104 ◽  
Author(s):  
Chungyeon Cho ◽  
Yixuan Song ◽  
Ryan Allen ◽  
Kevin L. Wallace ◽  
Jaime C. Grunlan
Keyword(s):  
Carbon Nanotubes ◽  
Graphene Oxide ◽  
Polyethylene Oxide ◽  
Polyacrylic Acid ◽  
Layer By Layer ◽  
Electrically Conductive ◽  
Gas Barrier ◽  
Double Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes ◽  
Layer Assembly

By alternately depositing trilayers of polyethylene oxide, double-walled carbon nanotubes stabilized in polyacrylic acid, and graphene oxide via layer-by-layer assembly, elastomeric conductive multilayers with a high gas barrier were prepared.

scholarly journals Conductivity-Dependent Strain Response of Carbon Nanotube Treated Bacterial Nanocellulose

2013 ◽  
Vol 2013 ◽  
pp. 1-7 ◽  
Author(s):  
S. Farjana ◽  
F. Toomadj ◽  
P. Lundgren ◽  
A. Sanz-Velasco ◽  
O. Naboka ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Bacterial Cellulose ◽  
Tensile Force ◽  
Gauge Factor ◽  
Multiwalled Carbon ◽  
Electrically Conductive ◽  
Dispersion Process ◽  
Dependent Strain ◽  
Double Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

This paper reports the strain sensitivity of flexible, electrically conductive, and nanostructured cellulose which was prepared by modification of bacterial cellulose with double-walled carbon nanotubes (DWCNTs) and multiwalled carbon nanotubes (MWCNTs). The electrical conductivity depends on the modifying agent and its dispersion process. The conductivity of the samples obtained from bacterial cellulose (BNC) pellicles modified with DWCNT was in the range from 0.034 S·cm−1to 0.39 S·cm−1, and for BNC pellicles modified with MWCNTs it was from 0.12 S·cm−1to 1.6 S·cm−1. The strain-induced electromechanical response, resistance versus strain, was monitored during the application of tensile force in order to study the sensitivity of the modified nanocellulose. A maximum gauge factor of 252 was found from the highest conductive sample treated by MWCNT. It has been observed that the sensitivity of the sample depends on the conductivity of the modified cellulose.

scholarly journals Electrically Conductive Networks from Hybrids of Carbon Nanotubes and Graphene Created by Laser Radiation

Nanomaterials ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 1875
Author(s):  
Alexander Yu. Gerasimenko ◽  
Artem V. Kuksin ◽  
Yury P. Shaman ◽  
Evgeny P. Kitsyuk ◽  
Yulia O. Fedorova ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Electrical Conductivity ◽  
Laser Irradiation ◽  
Flexible Electronics ◽  
Threshold Energy ◽  
Wavelength Region ◽  
Hybrid Nanostructures ◽  
Graphene Sheets ◽  
Electrically Conductive ◽  
Walled Carbon Nanotubes

A technology for the formation of electrically conductive nanostructures from single-walled carbon nanotubes (SWCNT), multi-walled carbon nanotubes (MWCNT), and their hybrids with reduced graphene oxide (rGO) on Si substrate has been developed. Under the action of single pulses of laser irradiation, nanowelding of SWCNT and MWCNT nanotubes with graphene sheets was obtained. Dependences of electromagnetic wave absorption by films of short and long nanotubes with subnanometer and nanometer diameters on wavelength are calculated. It was determined from dependences that absorption maxima of various types of nanotubes are in the wavelength region of about 266 nm. It was found that contact between nanotube and graphene was formed in time up to 400 fs. Formation of networks of SWCNT/MWCNT and their hybrids with rGO at threshold energy densities of 0.3/0.5 J/cm2 is shown. With an increase in energy density above the threshold value, formation of amorphous carbon nanoinclusions on the surface of nanotubes was demonstrated. For all films, except the MWCNT film, an increase in defectiveness after laser irradiation was obtained, which is associated with appearance of C–C bonds with neighboring nanotubes or graphene sheets. CNTs played the role of bridges connecting graphene sheets. Laser-synthesized hybrid nanostructures demonstrated the highest hardness compared to pure nanotubes. Maximum hardness (52.7 GPa) was obtained for MWCNT/rGO topology. Regularity of an increase in electrical conductivity of nanostructures after laser irradiation has been established for films made of all nanomaterials. Hybrid structures of nanotubes and graphene sheets have the highest electrical conductivity compared to networks of pure nanotubes. Maximum electrical conductivity was obtained for MWCNT/rGO hybrid structure (~22.6 kS/m). Networks of nanotubes and CNT/rGO hybrids can be used to form strong electrically conductive interconnections in nanoelectronics, as well as to create components for flexible electronics and bioelectronics, including intelligent wearable devices (IWDs).

Double-walled carbon nanotubes synthesized using carbon black as the dot carbon source

2006 ◽  
Vol 17 (13) ◽  
pp. 3100-3104 ◽  
Author(s):  
Zhi-Gang Chen ◽  
Feng Li ◽  
Wen-Cai Ren ◽  
Hongtao Cong ◽  
Chang Liu ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Source ◽  
Carbon Black ◽  
Double Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

Covalent decoration onto the outer walls of double walled carbon nanotubes with perylenediimides

2015 ◽  
Vol 3 (19) ◽  
pp. 4960-4969 ◽  
Author(s):  
Myriam Barrejón ◽  
Sara Pla ◽  
Isadora Berlanga ◽  
María J. Gómez-Escalonilla ◽  
Luis Martín-Gomis ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Charge Separation ◽  
Transient Absorption ◽  
Femtosecond Transient Absorption ◽  
Covalently Bonded ◽  
Absorption Studies ◽  
Double Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

Three new covalently bonded DWCNT–PDIs have been synthesized and characterized, showing exclusively functionalization of the outer walls leaving the inner walls intact. Femtosecond transient absorption studies were performed to seek evidence of charge separation in these hybrids.

Sign in / Sign up

Export Citation Format

Share Document