High-purity single-walled carbon nanotubes include:

High-purity single-walled carbon nanotubes CNT100,

Low purity single-walled carbon nanotubes CNT101.

Hydroxylated single-walled carbon nanotubes CNT200 (-OH),

Carboxylated SWNT CNT300 (-COOH),

Truncated SWNT CNT400,

Hydroxylated short single-walled carbon nanotubes CNT500 (-OH),

Carboxylated SWNT CNT600 (-COOH).

Hydroxyl and carboxyl groups of single-walled carbon nanotubes are at different temperatures and different concentrations of H2SO4 solution prepared by KMnO4 oxidation.

Short single-walled carbon nanotubes obtained by the chemical truncated.

Diameter(nm)	length（um)	Purity(%)	SSA(m2/g)	BD(g/cm3)	Conductivity-EC(s/cm)	-OH -COOH （wt%）
1-2	5-30	>90%	>450	0.14	>150	---
1-2	5-30	>60%	>450	0.14	>150	---
1-2	5-30	>90%	>450	0.14	>150	-OH 3.96
1-2	5-30	>60%	>450	0.14	>150	-OH 3.96
1-2	5-30	>90%	>450	0.14	>150	-COOH 2.73
1-2	5-30	>60%	>450	0.14	>150	-COOH 2.73
1-2	0.5-2	>90%	>450	0.14	>150	---
1-2	0.5-2	>90%	>450	0.14	>150	-OH 3.96
1-2	0.5-2	>90%	>450	0.14	>150	-COOH 2.73

Taikang Nano Technology Limited

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