Hydrothermal Synthesis of WO₃·0.33H₂O Nanorod Bundles as a Highly Sensitive Cyclohexene Sensor.

Xiaofei Liu, Xintai Su, Chao Yang, Kongjun Ma

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Article in Sensors (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 authors.

Xiaofei LiuMinistry Key Laboratory of Oil and Gas Fine Chemicals, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China. lxf40414@163.com.

Xintai SuThe Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), School of Environment and Energy, South China University of Technology, Guangzhou 510006, China. suxintai827@163.com.

Chao YangMinistry Key Laboratory of Oil and Gas Fine Chemicals, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China. jarryyang1924@163.com.

Kongjun MaMinistry Key Laboratory of Oil and Gas Fine Chemicals, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China. kjma@xju.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In this paper, WO₃·0.33H₂O nanorods were prepared through a simple hydrothermal method using p-aminobenzoic acid (PABA) as an auxiliary reagent. X-ray diffraction (XRD) and transmission electron microscopy (TEM) images showed that the products with PABA addition were orthorhombic WO₃·0.33H₂O, which were mainly composed of nanorods with different crystal planes. The sensing performance of WO₃·0.33H₂O nanorod bundles prepared by the addition of PABA (100 ppm cyclohexene, Ra/Rg = 50.6) was found to be better than the WO₃ synthesized without PABA (100 ppm cyclohexene, Ra/Rg = 1.3) for the detection of cyclohexene. The new synthesis route and sensing characteristics of as-synthesized WO₃·0.33H₂O nanorods revealed a promising candidate for the preparation of the cost-effective gas sensors.

Indexed as

cyclohexenegas sensinghydrothermalnanorod bundlesp-aminobenzoic acidWO3·0.33H2O

Identifiers

PMID30871099

DOI10.3390/s19051257

PMCPMC6427590

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