Table 1 A comparison between Au-Nu with other reported QCM sensors for Hg0 vapor detection at 35 °C.
Sensing material | LOD (μg/m3) | Sensing Temp. (°C) |
|---|---|---|
Au film64 | 537 | NR |
Au film65 | 80 | NR |
palladium (II) chloride and tetra-hydroxyethyl-ethylene-diamine (THEED)66 | 1790 | NR |
Au coated nano templates of molybdenum oxide (MoO3)67 | 4390 | 36 |
Ag film58 | 1020 | 40 |
Polypyrrole (PPy) nanofibers loaded with PPy/Pd(O2CCH3)2)/(PPy/Pd(NO3)2)68 | 1020 | 30 |
Au nanoprisms61 | 21 | 30 |
Ni/Au galvanically replaced thin films63 | 103 | 90 |
Pd/Au galvanically replaced thin films69 | 34.2 | 28 |
Au nanospikes42 | 22 | 28 |
Au nanosphere monolayers20 | 27 | 30 |
Au/Ag galvanically replaced nanowire monolayers70 | 39 | 30 |
53 | 75 | |
Au-Nu monolayer (This work) | 16 | 30 |
32 | 75 |