Electrical Transport Properties of Multilayered Single-Walled Carbon Nanotube Films

Table 1

The fabrication parameters, thickness, sheet resistance, and TCR at 300 K of the SWCNT thin films.

Sample name	Sample Description	Thickness (nm)	Sheet resistance at room environment (Ω/□)	TCR (at 300 K)
1	1 mL SWCNT suspension, 2 layers	45	45780	−0.146
2	2 mL SWCNT suspension, 1 layer	35	10750	−0.112
3	2 mL metallic SWCNT suspension, 1 layer	35	5693	−0.060
4	2 mL SWCNT suspension, 3 layers	105	3210	−0.088
2a	Sample 2 after annealing at 300°C, 12 hours	35	104500	−0.136
4a	Sample 4 after annealing at 300°C, 12 hours	105	24100	−0.101
2aN	Sample 2a after HNO3 treatment	35	19780	−0.055
4aN	Sample 4a after HNO3 treatment	105	1012	−0.0186