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. 2015 May 14;5:10208. doi: 10.1038/srep10208

Figure 4.

Figure 4

The SERS performance of the printed patterns under different drying temperature for R6G detection (1 × 10−6 M, the intensity have been normalized, the laser excitation is 532  nm) (a) and the representative SEM images of the samples dried at 120 °C (b) 160 °C (c) and 200 °C (d) respectively.