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- W2801803280 abstract "Abstract To fabricate sensors that are capable of ultrasensitive detection of NOx as well as optimize their synthetic route, highly porous and hierarchically structured Co3O4/CuO nanosheets were synthesized by a facile hydrothermal-calcination route. The CC2-1 sample synthesized with the 2:1 molar ratio of Co(NO3)2·6H2O and CuCl2·2H2O has the most abundant porosity. Structural measurements found that the size of pore is 3.37 nm, the specific surface area is 24.04 m2g−1, and the average slice thickness is about 5 nm. This optimum sample presented excellent NOx sensing performance at room temperature (RT = 21 °C), which has not only the highest response (14.16–1000 ppm), the shortest response time (2 s to 1000 ppm), and the minimum detection limit (0.01 ppm), but also good reversibility and selectivity. The superior property arises from the appropriate CuO ratio and the addition of pore-forming agent NaHCO3, and all together resulted in the unique hierarchical heterojunction structure, endowed with abundant porosity and a large number of defects, which eventually engender the remarkable chemisorbed ability to oxygen species." @default.
- W2801803280 created "2018-05-17" @default.
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- W2801803280 date "2018-08-01" @default.
- W2801803280 modified "2023-10-10" @default.
- W2801803280 title "Facile route to synthesize porous hierarchical Co3O4/CuO nanosheets with high porosity and excellent NOx sensing properties at room temperature" @default.
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- W2801803280 doi "https://doi.org/10.1016/j.apsusc.2018.04.150" @default.
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