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. 2020 Oct 10;20(20):5743. doi: 10.3390/s20205743

Table 1.

Recent reports on g-C3N4-based sensors.

Analyte Method Linear Range (nM) LOD (nM) Materials Ref
Hg Chemosensor 0.25–10 0.08 g-CNQDs [30]
Hg Colorimetry 100–500 0.275 Au@S-C3N4 [31]
Hg Fluorescence 1–1000 0.3 GCNNS [35]
Hg Fluorescence 103–3 × 104 140 g-C3N4 [36]
Hg Fluorescence 100–8 × 103 94 g-C3N4 [37]
Hg Fluorescence 0.5–100 0.17 g-C3N4 [38]
Hg SWASV 0.06–25 0.018 IP-GCNT [39]
Ag Electrochemical 0.001–100 0.0009 GCNNS [40]
Cd SWASV 50–700 3.9 GCNNS [41]
Cu PEC 1–100 0.38 g-C3N4 [42]
Cu ECL 10−8–10−4 10−8 GCN-GO [43]
Ce Fluorescence 0.0005–0.032 6.4 × 10−5 Ag2S QD-g-C3N4 [44]
Fe ECL 100–20,000 23.2 La-CNNS [45]

g-CNQDs—graphitic carbon nitride quantum dots; Au@S-C3N4-—gold@sulfur-doped graphitic carbon nitride; GCNNS—graphitic carbon nitride nanosheets; GCN-ssDNA—graphitic carbon nitride single-stranded DNA; IP-GCNT—imprinted graphitic carbon nitride; 3DBC-GCN—three-dimension branched crystalline graphitic carbon nitride; GCN-GO—graphitic carbon nitride-graphene oxide; Ag2S-GCNNS—silver sulfide quantum dots–graphitic carbon nitride nanosheets; La-GCNNS-lanthanum graphitic carbon nitride nanosheets.