Table 1 Temperature-dependent fluorescent carbon dots reported up to now
From: Carbon Dots as New Generation Materials for Nanothermometer: Review
Carbon precursor | Synthesis method | Thermometer nanomaterial | Linear range (°C) | Sensitivity | Reference |
---|---|---|---|---|---|
Glacial acetic acid | Self-promoted and self-controlled | CDs | – | – | [51] |
Glucose | Hydrothermal | Passivated CDs | 15–60 | – | [1] |
C3N4 | Reflux | Nitrogen-doped CDs | 20–80 | 0.85% °C−1 | [94] |
l-cysteine | Hydrothermal | Nitrogen and sulfur co-doped CDs | 10–90 | – | [95] |
Acrylic acid, Methionine | Hydrothermal | Nitrogen and sulfur co-doped CDs | 25–75 | – | [92] |
Citric acid | Hydrothermal | Nitrogen and sulfur co-doped CDs | - | 1.79% K−1 | [89] |
C3N3S3 | Reflux | Nitrogen and sulfur co-doped CDs | 20–80 | – | [96] |
Graphite | Laser ablation | CDs | 5–85 | 1.48% °C−1 | [14] |
D-glucose | Hydrothermal | Nitrogen and sulfur co-doped CDs | 5–75 | – | [97] |
Citric acid | Hydrothermal | Nitrogen and sulfur co-doped CDs | 5-75 | 0.41% °C−1 | [2] |
Citric acid | Hydrothermal | CDs | 25–95 | – | [98] |
Dextrose | Hydrothermal | Nitrogen-doped CDs | 25–95 | – | [99] |
Formamide, glutathione | Microwave-assisted | CDs | 5–60 | 3.71% C−1 | [29] |
C3N3S3 | Hydrothermal | Nitrogen, sulfur and iodine co-doped CDs | 10–8 | – | [100] |
Cetylpyridinium chloride | Hydrothermal | Nitrogen and chlorine co-doped CDs | 20–80 | – | [101] |
Trisodium citrate | Hydrothermal | Nitrogen and sulfur co-doped CDs | 283–343 (K) | 0.64% K−1 | [102] |
Manganese (III) acetylacetonate | Hydrothermal | Manganese oxide doped CDs | 10–60 | – | [103] |
Trisodium citrate | Hydrothermal | Nitrogen and boron co-doped CDs | 0–90 | 1.8% °C−1 | [77] |