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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: A Simple Laser Ablation-Assisted Method for Fabrication of Superhydrophobic SERS Substrate on Teflon Film

Fig. 4

a The relation between the contact angle, Raman intensity, and the engraving speed (the output power: 20%; the engraving speed: 55 mm/s; the circle’s diameter: 0.5 mm; the Ag concentration: 1.19 × 10−12 M). b The relation between the contact angle, Raman intensity, and the output power (the engraving step length: 0.02 mm; the engraving speed: 55 mm/s; the circle’s diameter: 0.5 mm; the Ag concentration: 1.19 × 10−12 M). c The relation between the contact angle, Raman intensity, and the engraving speed (the engraving step length: 0.02 mm; the output power: 20%; the circle’s diameter: 0.5 mm; the Ag concentration: 1.19 × 10−12 M) d The relation between the contact angle, Raman intensity, and the circle’s diameter (the engraving step length: 0.02 mm; the output power: 20%; the engraving speed: 55 mm/s; the Ag concentration: 1.19 × 10−12 M)

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