Table 1 Brief summary of the typical features of GFs fabricated by different methods
From: Graphene fiber: a new material platform for unique applications
Preparation method of GFs | Flexibility | Diameter (μm) | Strength (MPa) | Young’s modulus (GPa) | Conductivity (S cm−1) | Remarks | Ref. |
|---|---|---|---|---|---|---|---|
Spinning of GO | High | 50–100 | 140 | 5.4 | ∼250a | Scalable | Xu and Gao16 |
25–120 | 145 for GO fiber; 182 for GF | 4.2 for GO fiber; 8.7 for GF | 35a | Scalable | Cong et al.19 | ||
40–150 | 85 to 192 | 2.8 to 9.8 | 68–230a | Scalable | Chen et al.20 | ||
<100 | 442±18 | 22.6±1.9 | 28.44b | Scalable | Jalili et al.18 | ||
Spinning of GONRs | High | 29–80 | 33.2; 383b | 3.2; 39.9 b | 285b | Scalable | Xiang et al.33 |
Hydrothermal strategy | High | 10–100 | 140 | ∼10 | Scalable | Xu et al.15 | |
CVD assistant process | Low | 20–50 | ∼10 | Li et al.26 | |||
Spontaneous reduction and assembly of GO | Low | 15–100 | ∼10 | Morphology predefined | Hu et al.28 | ||
Aligned CNT sheets to graphene yarn | High | ∼100 | Up to 100 S cm2 g−1 after annealing | Carretero-Gonzalez et al.32 | |||
Electrophoretic self-assembly | 20–40 | Jang et al.34 | |||||
Self-assembled graphene oxide fibers | High | 1−2 | 1.1±0.031 | ∼15b | Hundreds of micrometers in length | Tian et al.35 |
