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Carbon Nanotube Suspensions
We acid treat our carbon nanotubes to functionalize them with carboxyl (COOH) groups. We then suspend the carboxylated nanotubes in water or dimethylformamide (DMF). These suspensions are prepared from our PD15L<1 or L1-5 micron products or aligned carbon nanotubes, and are stable for months in our lab. Different nanotubes, concentrations and solvents are available upon request. Other functional groups such as amines are also a NanoLab specialty.
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Nanotubes Concentration
(mg/L)
Solvent Volume
50 ml 100 ml 200 ml 500 ml
Hollow, MWCNT 40 DiH2O $100 / vial $180 / vial $350 / vial $800 / vial
DMF $110 / vial $200 / vial $380 / vial $900 / vial
Bamboo MWCNT 80 DiH2O $150 / vial $280 / vial $500 / vial $1000 / vial
DMF $160 / vial $300 / vial $530 / vial $1100 / vial
SWNT 40 DiH2O $150 / vial $270 / vial $520 / vial  
DMF $160 / vial $290 / vial $550 / vial  
80 DiH2O $200 / vial $360 / vial $700 / vial  
DMF $210 / vial $380 / vial $730 / vial  
Nanotubes Concentration
(CNTs/10mL)
Solvent Volume
5 ml 10 ml 20 ml 50 ml
Carbon nanotubes
harvested from
aligned arrays
1x109 DiH2O $90 / vial $175 / vial $330 / vial $750 / vial
DMF $100 / vial $195 / vial $350 / vial $850 / vial
4x109 DiH2O $375 / vial $675 / vial $1300 / vial $3100 / vial
DMF $385 / vial $695 / vial $1330 / vial $3200 / vial
 
CNT length 1 micron 5 microns 10 microns 15 microns 20 microns
CNT diameter 30-50nm 30-50nm 100nm 100-150nm 150-200nm
In the image at right, a silver substrate was immersed in a carboxylated nanotube suspension, and using an electrophoretic technique, carbon nanotubes were deposited onto the substrate to form this monolayer .


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    This page was updatd on 02/18/2010