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- W2894863483 abstract "Abstract In this study, SnO2 nanorods (SnO2 NRs) and SnO2 nanorods–nanoporous graphene hybrids, SnO2 NRs-NPG, with two different weight ratios (0.05 and 0.1) of nanoporous graphene to tin salt have been prepared as sensing materials. These materials were synthesized via a facile hydrothermal method and print screened on alumina substrates for low-temperature methane (CH4) gas sensors. The structure and morphology of the fabricated sensing materials were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Brunauer–Emmett–Teller (BET) method, transmission electron microscopy (TEM) and field emission scanning electron microscopy (FE-SEM). The results showed that in the case of SnO2 NRs-NPG hybrids, the porous graphene sheets are decorated with SnO2 nanorods. The gas response of the prepared hybrid samples to 1000 ppm methane gas was investigated at 100–200 °C. The nanohybrid with 0.05 wt ratios of nanoporous graphene to tin salt showed significant sensor response of 24.9–51% to 1000–10000 ppm methane at a relatively low operating temperature of 150 °C which is about 600% higher than that of pure SnO2 nanorods. The substantial enhancement in the gas detection of SnO2 NRs-NPG nanohybrid, compared to the pristine SnO2, can be attributed to its larger specific surface area, the presence of nanoporous graphene as a good conductor and interactions between nanoporous graphene and SnO2 nanorods." @default.
- W2894863483 created "2018-10-12" @default.
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- W2894863483 date "2019-02-01" @default.
- W2894863483 modified "2023-10-02" @default.
- W2894863483 title "Progress toward a novel methane gas sensor based on SnO2 nanorods-nanoporous graphene hybrid" @default.
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- W2894863483 doi "https://doi.org/10.1016/j.snb.2018.10.032" @default.
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