Table 1. Length-based separation methods for SWCNTs.

CNT	Method	Reference
SWCNT	Electrophoresis	[31]
SWCNT	Electrophoresis	[44]
SWCNT	Electrophoresis	[32]
SWCNT	Density gradient ultracentrifugation (DGU).	[45]
SWCNT	Chromatography	[46–50]
SWCNT	Chromatography	[51–53]
SWCNT	Chromatography	[25, 26], [54, 55]
SWCNT	Chromatography	[56]
SWCNT	Chromatography	[57]
SWCNT	Chromatography	[24]
SWCNT	Chromatography	[58]
SWCNT	Chromatography	[59]
SWCNT	Selective solubilization	[60]