Amorphous Cu-B-N-H for efficient hydrogen chloride gas sensing at room temperature

We prepared N- and H-co-doped Cu-B as sensing materials for hydrogen chloride (HCl) detection at room temperature through a liquid plasma technique for the first time. Being used as an advanced Cu-B-N-H-based capacitive sensor, it showed a linear response to HCl at concentrations as low as 200ppb, w...

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Bibliographic Details
Published in:Materialia 2019-06, Vol.6, p.100295, Article 100295
Main Authors: Xiang, De Li, Tong, Dong Ge
Format: Article
Language:English
Subjects:
Amorphous Cu-B-N-H
Gas sensor
Hydrogen chloride
Room temperature
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Summary:We prepared N- and H-co-doped Cu-B as sensing materials for hydrogen chloride (HCl) detection at room temperature through a liquid plasma technique for the first time. Being used as an advanced Cu-B-N-H-based capacitive sensor, it showed a linear response to HCl at concentrations as low as 200ppb, with a detection limit of 10ppb. The sensor also featured good detection selectivity towards HCl versus methane, nitrogen dioxide, hydrogen, and benzene. Furthermore, the sensor showed outstanding HCl-sensing performance compared with those of previously reported sensing materials.
ISSN:2589-1529
2589-1529
DOI:10.1016/j.mtla.2019.100295