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Nanoscale Research Letters

Table 1 Summary of NH 3 sensing properties of a conducting polymer and metal or metal oxide/conducting polymer sensor

From: Gas sensing properties of conducting polymer/Au-loaded ZnO nanoparticle composite materials at room temperature

Authors/reference Method Materials NH3concentration (ppm) NH3sensing performances
Chen et al.[15] Layer-by-layer (LBL) self-assembly method Polypyrrole (PPy) and Pt-doped two-layer PPy thin films 100 Response: approximately 3 to 100 ppm NH3 at room temperature
Jeong et al.[16] Spin coating P3HT thin-film transistors 10 to 100 Response: 0.31 to 100 ppm NH3 at room temperature
Saxena et al.[27] Drop casting P3HT:ZnO nanowire thin films 4 Response: <1% to 4 ppm NH3 at room temperature
Chougule et al.[13] Low-frequency AC spin coating CSA (30 wt.%) doped PPy-ZnO hybrid films 100 Response: approximately 11 to 100 ppm NH3 at room temperature
Baratto[18] Drop casting Hybrid poly (3-hexylthiophene)-ZnO nanocomposite thin films 25 Response: small response to 25 ppm NH3 at room temperature
Tuan et al.[14] A standard photolithography technique Polyaniline (PANI) nanowires (NWs) 25 to 500 Response: 2.9 to 500 ppm NH3 at room temperature
Tai et al.[21] In situ self-assembly Polyaniline/titanium dioxide (PANI/TiO2) nanocomposite thin films 23 to 141 Response: approximately 9 to 140 ppm NH3, response time 2 s, and recovery time 20 to 60 s at room temperature
Huang et al.[26] Spin coating Graphene oxide (RGO)-polyaniline (PANI) hybrids 50 Response: approximately 10.4 to 50 ppm NH3 at room temperature
Dhingra et al.[23] Dipping Zinc oxide/ polyaniline (ZnO/ PANI) hybrid 300 Response: approximately 23 to 300 ppm NH3 at room temperature
This work Drop casting P3HT:1.00 mol% Au/ZnO NPs (4:1) 50 to 1,000 Response: approximately 32 to 1,000 ppm NH3 at room temperature
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