Table 1 Values of REF of characteristic Raman signals of R6G-adsorbed silver nanostructures optical fibre substrates.

From: Detection of Permethrin pesticide using silver nano-dendrites SERS on optical fibre fabricated by laser-assisted photochemical method

Silver nanostructure on optical fibre substrates

Raman shift (cm−1)

613.2

1361.5

1506.1

1650.7

Silver nano-pebbles structure

1.43 × 106

1.28 × 106

0.93 × 106

0.84 × 106

Silver nano-aggregates structure

6.27 × 106

7.04 × 106

5.3 × 106

5.31 × 106

Silver nano-dendrites structure

1.04 × 107

1.47 × 107

1.1 × 107

1.1 × 107

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