Table 1 Summarized electrical, morphological, and mechanical properties of P1–P4 thin films

From: Highly stretchable polymer semiconductor thin films with multi-modal energy dissipation and high relative stretchability

Polymer

Mna (kg mol−1)

PDI

Mobilityb (cm2V−1s−1)

On/off ratiob

Threshold voltageb (V)

rDoCc

Crack onset strain (%)

Elastic modulus (MPa)

P1

22

1.71

1.12 ± 0.034

5 × 103

−4

1

3 ± 1

347 ± 21

P2

50

1.96

1.38 ± 0.032

2 × 104

2

0.62

25 ± 5

109 ± 10

P3

73

2.21

0.932 ± 0.056

1 × 104

2

0.30

85 ± 8

47 ± 5

P4

97

2.11

0.550 ± 0.021

2 × 105

2

0.18

>130 ± 5

23 ± 4

  1. aNumber-averaged molecular weight measured by gel permeation chromatography (GPC).
  2. bThe electrical performances are averaged from at least 10 devices of 2 different batches.
  3. cThe rDoC values of the studied polymers are normalized to the crystallinity of P1.