Table 11.
Structure | Dimension (nm) | λLSPR (nm) | Sensitivity (nm/RIU) | FOM 1 (RIU−1) | References |
---|---|---|---|---|---|
Gold nanoparticles | |||||
Nanospheres | 15 | 520 | 44 | 0.6 | [197,201, 202] |
50 | 60 | ||||
30 | 71 | ||||
13 | 76 | ||||
Nanobranches | 80 | 1141 | 703 | 0.8 | [202] |
Nanoshells hollow | 50 | 680 | 409 | [201] | |
Nanoshells/SiO2 core | 50–175 | Varies | 570–996 | [203] | |
Nanorings | 75–150 | 1058–1545 | 880 | [204] | |
Nanorods | 74 (d = 33) | 700 | 252 | [202,205] | |
40 | 653 | 195 | 2.6 | ||
55 | 728 | 224 | 2.1 | ||
74 (d = 17) | 846 | 288 | 1.7 | ||
Nanorice core | 9.8–27.5 | 1160 | 800 | [206] | |
Nanocubes | 44 | 538 | 83 | 1.5 | [202] |
Nanobipyramids | 27–189 | 645 | 15 | 1.7 | [202] |
50 | 735 | 212 | 2.8 | ||
103 | 886 | 392 | 4.2 | ||
189 | 1096 | 540 | 4.5 | ||
Nanostars | 100 | 647,700,783 | 879 2 | 10.7 | [207] |
Metamaterial | 400 × 80 and 340 × 90 3 | 588 | 3.8 | [100] | |
Silver nanoparticles | |||||
Nanosphere | 40–90 | 400–480 | 160 | [208] | |
Nanoprism | 55–120 | 600–700 | 200–350 | 2.3–3.3 | [208,209] |
Nanoprism/Au coated | 21–22 | 940 | 470 | [210] | |
Array (NSL) | Varies | 500–700 | 200 | [211] | |
Nanocubes | 30 | 430 | 1569 4 | 5.4 | [212] |
1: Figure of Merit; 2: Value converted from eV RIU−1 to nm RIU−1; 3: H-fashioned cut-out structure in 30 nm gold film; 4: Value transformed from the unit of eV RIU-1 to nm RIU−1.