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Table 1 Comparison of various TiO2 nanostructures toward acetone gas sensing performances

From: High Sensing Performance Toward Acetone Vapor Using TiO2 Flower-Like Nanomaterials

Sensing materials Working temperature (°C) Concentration (ppm) Response (Ra/Rg) Response/recover time (s) Reference
Nanoporous TiO2 370 500 25.97 13/8 [25]
TiO2 nanoparticles 400 200 7.5 240/180 [33]
Nano nanotube 150 1000 2.08 21/38 [34]
TiO2 nanorods 500 300 13 12/6 [35]
TiO2 nanoflowers 280 200 ~ 7 < 50/< 100 [36]
Ag-TiO2 nanobelts 260 500 28.25 6/8 [24]
Ag-TiO2 nanospheres 350 500 29.1 1/47 [14]
TiO2 nanoparticles 270 500 9.19 10/9 [37]
TiO2 microsphere 320 100 6.9 [38]
Brookite TiO2 320 100 2.3 3/183 [39]
TiO2 FLNMs 330 250 33.72 46/24 This work