Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Zinc Oxide Loaded Cellulose-based Carbon Gas Sensor for Selective Detection of Ammonia

Version 1 : Received: 13 November 2023 / Approved: 13 November 2023 / Online: 14 November 2023 (09:03:01 CET)

A peer-reviewed article of this Preprint also exists.

Xu, H.; Gong, Z.-X.; Huo, L.-Z.; Guo, C.-F.; Yang, X.-J.; Wang, Y.-X.; Luo, X.-P. Zinc Oxide-Loaded Cellulose-Based Carbon Gas Sensor for Selective Detection of Ammonia. Nanomaterials 2023, 13, 3151. Xu, H.; Gong, Z.-X.; Huo, L.-Z.; Guo, C.-F.; Yang, X.-J.; Wang, Y.-X.; Luo, X.-P. Zinc Oxide-Loaded Cellulose-Based Carbon Gas Sensor for Selective Detection of Ammonia. Nanomaterials 2023, 13, 3151.

Abstract

Cellulose-based carbon (CBC) has been widely concerned with its porous structure, high specific surface area, and is liable to adsorb gas molecules and macromolecular pollutants. However, the application of CBC in gas sensing has been little studied. In this paper, ZnO/CBC heterojunction was formed by means of simple co-precipitation and high temperature carbonization. As a new ammonia sensor, the prepared ZnO/CBC sensor can detect ammonia compared with that of the previous pure ZnO ammonia sensor can not at room temperature. It has great gas sensing response, stability and selectivity to ammonia concentration at 200 ppm. This study provides a new idea for the design and synthesis of biomass carbon-metal oxide composites.

Keywords

Gas sensor; ammonia; zinc oxide; microcrystalline cellulose

Subject

Chemistry and Materials Science, Materials Science and Technology

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