10 mg single-walled carbon nanotubes purified under H₂ at 500°C for 5 h, dried at 100°C with anhydrous P₂O₅ in vacuum oven for 4 h, then fluorinated at 300°C with 20% F₂/N₂ mixed gas at -0.07 MPa for 4 h. Product dried for 10 h to yield 8.3 mg fluorinated graphene nanoribbons with F/C ratio of 0.97. TEM, contact angle (170±2°), IR, and XPS characterization performed.

50 mg single-walled carbon nanotubes purified under H₂ at 500°C for 5 h, dried at 90°C with anhydrous P₂O₅ for 6 h, then fluorinated at 320°C with 20% F₂/N₂ at 0 MPa for 4 h. Yield: 42.6 mg fluorinated graphene nanoribbons with F/C ratio of 1.08.

12 mg double-walled carbon nanotubes dried at 100°C with anhydrous P₂O₅ for 6 h, then fluorinated at 350°C with 20% F₂/N₂ at 0 MPa for 5 h. Yield: 10.2 mg fluorinated graphene nanoribbons with F/C ratio of 0.87.

40 mg double-walled carbon nanotubes purified under H₂ at 700°C for 5 h, dried at 100°C with anhydrous P₂O₅ for 5 h, then fluorinated at 380°C with 20% F₂/N₂ at 0 MPa for 6 h. Yield: 33.2 mg fluorinated graphene nanoribbons with F/C ratio of 0.96.

10 mg multi-walled carbon nanotubes dried at 100°C with anhydrous P₂O₅ for 6 h, then fluorinated at 450°C with 20% F₂/N₂ at 0 MPa for 6 h. Yield: 7.8 mg fluorinated graphene nanoribbons with F/C ratio of 0.82.

10 mg single-walled carbon nanotubes purified under H₂ at 500°C for 5 h, dried at 100°C with anhydrous P₂O₅ in vacuum oven for 4 h, then fluorinated at 300°C with 20% F₂/N₂ mixed gas at -0.07 MPa for 4 h. Product dried for 10 h to yield 8.3 mg fluorinated graphene nanoribbons with F/C ratio of 0.97. TEM, contact angle (170±2°), IR, and XPS characterization performed.

50 mg single-walled carbon nanotubes purified under H₂ at 500°C for 5 h, dried at 90°C with anhydrous P₂O₅ for 6 h, then fluorinated at 320°C with 20% F₂/N₂ at 0 MPa for 4 h. Yield: 42.6 mg fluorinated graphene nanoribbons with F/C ratio of 1.08.

12 mg double-walled carbon nanotubes dried at 100°C with anhydrous P₂O₅ for 6 h, then fluorinated at 350°C with 20% F₂/N₂ at 0 MPa for 5 h. Yield: 10.2 mg fluorinated graphene nanoribbons with F/C ratio of 0.87.

40 mg double-walled carbon nanotubes purified under H₂ at 700°C for 5 h, dried at 100°C with anhydrous P₂O₅ for 5 h, then fluorinated at 380°C with 20% F₂/N₂ at 0 MPa for 6 h. Yield: 33.2 mg fluorinated graphene nanoribbons with F/C ratio of 0.96.

10 mg multi-walled carbon nanotubes dried at 100°C with anhydrous P₂O₅ for 6 h, then fluorinated at 450°C with 20% F₂/N₂ at 0 MPa for 6 h. Yield: 7.8 mg fluorinated graphene nanoribbons with F/C ratio of 0.82.

10 mg single-walled carbon nanotubes purified under H₂ at 500°C for 5 h, dried at 100°C with anhydrous P₂O₅ in vacuum oven for 4 h, then fluorinated at 300°C with 20% F₂/N₂ mixed gas at -0.07 MPa for 4 h. Product dried for 10 h to yield 8.3 mg fluorinated graphene nanoribbons with F/C ratio of 0.97. TEM, contact angle (170±2°), IR, and XPS characterization performed.

50 mg single-walled carbon nanotubes purified under H₂ at 500°C for 5 h, dried at 90°C with anhydrous P₂O₅ for 6 h, then fluorinated at 320°C with 20% F₂/N₂ at 0 MPa for 4 h. Yield: 42.6 mg fluorinated graphene nanoribbons with F/C ratio of 1.08.

12 mg double-walled carbon nanotubes dried at 100°C with anhydrous P₂O₅ for 6 h, then fluorinated at 350°C with 20% F₂/N₂ at 0 MPa for 5 h. Yield: 10.2 mg fluorinated graphene nanoribbons with F/C ratio of 0.87.

40 mg double-walled carbon nanotubes purified under H₂ at 700°C for 5 h, dried at 100°C with anhydrous P₂O₅ for 5 h, then fluorinated at 380°C with 20% F₂/N₂ at 0 MPa for 6 h. Yield: 33.2 mg fluorinated graphene nanoribbons with F/C ratio of 0.96.

10 mg multi-walled carbon nanotubes dried at 100°C with anhydrous P₂O₅ for 6 h, then fluorinated at 450°C with 20% F₂/N₂ at 0 MPa for 6 h. Yield: 7.8 mg fluorinated graphene nanoribbons with F/C ratio of 0.82.

10 mg single-walled carbon nanotubes purified under H₂ at 500°C for 5 h, dried at 100°C with anhydrous P₂O₅ in vacuum oven for 4 h, then fluorinated at 300°C with 20% F₂/N₂ mixed gas at -0.07 MPa for 4 h. Product dried for 10 h to yield 8.3 mg fluorinated graphene nanoribbons with F/C ratio of 0.97. TEM, contact angle (170±2°), IR, and XPS characterization performed.

50 mg single-walled carbon nanotubes purified under H₂ at 500°C for 5 h, dried at 90°C with anhydrous P₂O₅ for 6 h, then fluorinated at 320°C with 20% F₂/N₂ at 0 MPa for 4 h. Yield: 42.6 mg fluorinated graphene nanoribbons with F/C ratio of 1.08.

12 mg double-walled carbon nanotubes dried at 100°C with anhydrous P₂O₅ for 6 h, then fluorinated at 350°C with 20% F₂/N₂ at 0 MPa for 5 h. Yield: 10.2 mg fluorinated graphene nanoribbons with F/C ratio of 0.87.

40 mg double-walled carbon nanotubes purified under H₂ at 700°C for 5 h, dried at 100°C with anhydrous P₂O₅ for 5 h, then fluorinated at 380°C with 20% F₂/N₂ at 0 MPa for 6 h. Yield: 33.2 mg fluorinated graphene nanoribbons with F/C ratio of 0.96.

10 mg multi-walled carbon nanotubes dried at 100°C with anhydrous P₂O₅ for 6 h, then fluorinated at 450°C with 20% F₂/N₂ at 0 MPa for 6 h. Yield: 7.8 mg fluorinated graphene nanoribbons with F/C ratio of 0.82.