Table 2 Average hole-mobilities, on/off current ratios, and threshold voltages of planar OTFT devices and fiber-type transistor devices based on the graphene fiber electrodes.

From: Highly Conductive Graphene/Ag Hybrid Fibers for Flexible Fiber-Type Transistors

Transistor type

Fiber electrode

μh [cm2 V−1 s−1]

Ion/Ioff

VT [V]

Planar device

hybrid fiber (0.6)a

20.4

1.0 × 105

−2.5

hybrid fiber (1.2)

4.4

1.0 × 104

−2.6

rGO fiber (0.6)

0.4

2.3 × 103

−2.7

Fiber-type device

hybrid fiber (0.6)

15.6

3.4 × 104

−1.2

hybrid fiber (1.2)

3.4

8.0 × 103

−2.3

rGO fiber (0.6)

0.3

6.0 × 103

−2.5

  1. aThe number in parentheses indicates the drawing ratio of the fiber electrode during fiber formation.
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