Table 1 Comparison of SERS parameters with other paper-based plasmonic substrates
Substrates | Enhancement factor (EF) | LOD (M) | Spot-to-spot reproducibility (RSD) | Ref |
|---|---|---|---|---|
AgNPs on A4 paper and AgNPs on Al foil | 6.72 × 107 and 1.03 × 108 |  | 26.3% and 12.1% | [48] |
Graphene oxide/ AgNPs on bacterial NFC nanopaper | - | 0.13 × 10− 9 | 21% | [49] |
AgNPs@filter paper | 1.8 × 108 | 1.2 × 10− 9 | 16.73% | [50] |
Grape skin-AuNPs/GO based paper SERS | 1.92 × 109 for GE-AuNPs/GO and 5.8 × 104 for GE-AuNPs | 7.33 × 10− 11 | 9.6% | [51] |
AgNPs inkjet printed on chitosan@paper | 7.4 × 108 | 1.07 × 10− 11 | 4.5% | [25] |
Amphiphilic polymer self-assembled film containing AgNPs on office paper | 1.2 × 107 | 4.89 × 10− 11 | 2.49% for 1 × 10− 6 M R6G and 10.95% for 1 × 10− 9 M | This work |