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- W4313557457 abstract "Abstract With the exhaustion of fossil energy, hydrogen (H 2 ), as a kind of clean energy with extensive source and high calorific value, has attracted great attention. However, in the process of H 2 preparation, transportation and storage, safety accidents such as leakage and explosion often occur, which greatly hinders the development and utilization of H 2 . Therefore, fast and accurate detection of H 2 plays an important role in H 2 industry. Based on this, we have synthesized two-dimensional (2D) zinc oxide (ZnO) nanosheets by hydrothermal method, and further optimized its sensing performance through Pd modification. H 2 sensitivity test results show that Pd load can greatly enhance the sensing performance of 2D ZnO materials. At 160°C, the sensing response of Pd load ZnO sensitive materials (PZO) towards H 2 (100 ppm) is 17.6, which is much higher than the pure ZnO nanosheets (3.2). Additionly, the H 2 sensing performance of the prepared gas sensor did not change significantly during the 30-days test, showing excellent stability. The H 2 sensing mechanism of PZO sensitive materials is mainly attributed to the synergistic mechanism of Pd catalytic site and oxygen vacancy (O V ). Therefore, the synthesized PZO sensitive material provides an effective strategy for the preparation of high-performance H 2 sensors." @default.
- W4313557457 created "2023-01-06" @default.
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- W4313557457 date "2023-01-05" @default.
- W4313557457 modified "2023-10-16" @default.
- W4313557457 title "Pd decorated ZnO nanosheets for enhanced hydrogen sensing performance" @default.
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- W4313557457 doi "https://doi.org/10.21203/rs.3.rs-2427083/v1" @default.
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