Figure 2 | Scientific Reports

Figure 2

From: Self-adhesive epidermal carbon nanotube electronics for tether-free long-term continuous recording of biosignals

Figure 2

Adhesiveness and penetrative properties of CNT/aPDMS.

(a) The adhesiveness of CNT/aPDMS. (b) Adhesion force measurements during repeated attaching and detaching processes. The CNT/aPDMS surface was cleaned every five cycles. (c) The Young's modulus of CNT/aPDMS. The modulus was calculated to be 27.5 kPa. (d) SEM image of the PDMS skin replica. (e) Black tape, CNT/PDMS and CNT/aPDMS were attached to the skin replica to determine their contact areas. Images of the contact areas on (f) black tape, (g) CNT/PDMS and (h) CNT/aPDMS; the percentage contact areas were calculated to be 30.9%, 61.9% and 99.7% respectively. (scale bar: 3 mm, pressure was applied to CNT/PDMS).

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