Comparison of the CsxWO3–CNT photodetectors and other representative reported CNT photodetectors based on the mechanism of bolometric effect.
| Material | Wavelength (μm) | Highest responsivity | Response time | Highest D* (cm Hz1/2 W−1) | Ref. |
|---|---|---|---|---|---|
| Suspended SWCNTs (patterned Si) | 1–1.3 | 250 V W−1 | 40–60 ms | 4.5 × 105 | 38 |
| Suspended MWCNTs (patterned Si) | 1–1.3 | N/A | 1–2 ms | 3.3 × 106 | 39 |
| Aligned SWCNTs (PVP matrix) | 0.3–2 | 230 V W−1 | 0.94 ms | 1.2 × 108 | 40 |
| Suspended MWCNTs (Ag antennas) | 10.6 | 800 V W−1 | 25 ms | 1 × 107 | 41 |
| Suspended aligned SWCNTs (polystyrene matrix) | 2.5–20 | 500 V W−1 | 150–200 ms | N/A | 42 |
| Suspended SWCNTs (PNIPAm matrix) | 1–20 | 48 V W−1 | 83 ms | N/A | 43 |
| DWCNT film (SiO2/Si substrate) | 1–1.3 | 5 × 104 V W−1 | 1.5–2 ms | 2 × 107 | 44 |
| Suspended MWCNTs | 0.94 | 110 V W−1 | 750 ms | 4 × 106 | 45 |
| Suspended CNTs | 0.375–118.8 | 50.9 mA W−1 | 70 ms | 3.5 × 107 | 24 |
| Suspended CsxWO3–CNTs | 0.405–1.550 | 99.65 mA W−1 | 28 ms | 1.69 × 107 | This work |