| Title | Porous ZnFe2O4 nanorods with net-worked nanostructure for highly sensor response and fast response acetone gas sensor |
| Authors | 黄新堂 |
| Issue Date | 2017 |
| Publisher | SENSORS AND ACTUATORS B-CHEMICAL（2020年影响因子：7.460） |
| Keywords | Porous ZnFe2O4 nanorods Net-worked nanostructure Acetone gas sensor Fast response |
| Abstract | Metal oxides with proper pore structure and tiny particle size can be utilized to gas sensor by promoting the diffusion and adsorbed quantity of target gas molecules. Herein, porous ZnFe 2 O 4 nanorods with net-worked nanostructure were synthesized by a simple low-temperature hydrothermal strategy using the ZnFe 2 (C 2 O 4 ) 3 precursor as self-template. The images of electron microscopy obviously depicted the ZnFe 2 O 4 size of primary particle is around 20 nm and abundant through pore structure. In addition, the N 2 adsorption-desorption results indicate the specific surface area and the pore size are about 82.01 m 2 /g and 6.5 nm, respectively. Furthermore, the gas sensing properties of the porous ZnFe 2 O 4 nanorods were illustrated in detail. Just as expected, the gas sensing measurement revealed that the as-prepared porous ZnFe 2 O 4 nanorods as an acetone gas sensor exhibits high sensor response and fast response speed (the response/recovery time and sensor response of the gas sensor to 100 ppm acetone at 260 °C are 1/11 s and 52.8, respectively). The mechanism of gas sensing properties is discussed related to the large specific surface area, proper pore size and net-worked nanostructure |
| Appears in Collections: | 基科部办公室 |
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