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Location:Chinese Academy of Sciences > Products  > Carbon Nanotubes DWCNTs

Product Code : TND,TNDH,TNDC
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TND ( Download )
TNDH ( Download )
TNDC( Download )


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Product Description:          
TimestubTM --Double-walled carbon nanotubes---There are three kinds of product in this catalog. They are TND, TNDH and TNDC.
TND was produced by methane catalytic decomposition over Co-based catalyst, followed treated by air oxidation and acid solution. TNDH and TNDC are TND hydroxyl and carboxyl functionalized products, respectively. This kind of product contains double-walled carbon nanotubes, single-walled carbon nanotubes, multi-walled carbon nanotubes and some amorphous carbon. The double-walled carbon nanotubes content is about 60wt%。
Property Unit DWCNTs Method of Measurement
TND TNDH TNDC
OD nm 2-4 2-4 2-4 HRTEM,Raman
Purity wt% >60 >60 >60 TGA & TEM
Length microns ~50 ~50 ~50 TEM
SSA m2/g >340 >350 >350 BET
ASH wt% <5 <5 <5 TGA
EC s/cm >100 >100 >100  
Tap Density g/cm3 0.14 0.14
0。14  
Ig/Id -- -- -- -- Raman
-OH Content wt%   2.92   XPS & Titration
-COOH Content wt%     2.58 XPS & Titration
OD=Outer Diameter         ID=Inner Diameter         SSA=Special Surface Area

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