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Ta_2O_5 nanoporous membrane for chemical sensing in harsh environment

机译:TA_2O_5纳米多孔膜在恶劣环境中进行化学感应

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The conductometric gas sensors made of nanoporous oxide ultrathin membranes can be particularly promising for the active sampling of the diluted analytes. Here we report the case study of the electron transport and gas sensing properties of such a membrane made of Ta_2O_5. In spite of well-known high thermal and chemical stability, Ta_2O_5 membranes appear to exhibit noticeable chemical sensitivity at high temperatures above 300 C. The proposed suspended architecture of the gas penetrable Ta_2O_5 membranes as active sensing element, may lead to the new designs of the ultrasensitive analytical systems operating at high temperature and harsh environments.
机译:由纳米氧化物氧化物超薄膜制成的电导气体传感器对于稀释的分析物的活性取样可能是特别令人欣然的。 在这里,我们举报了由Ta_2O_5制成的这种膜的电子传输和气体传感性能的案例研究。 尽管众所周知的高热和化学稳定性,Ta_2O_5膜似乎在高于300℃的高温下表现出明显的化学敏感性。所提出的气体可渗透Ta_2O_5膜作为活性传感元件的悬浮结构可能导致新的设计 超敏感分析系统在高温和恶劣环境中操作。

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