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Article | Open Access

Novel Selective Sensors based on TiO2 Nanotubes supported MS(TiO2@MS, M=Cd, Zn) for their Gas Sensing Properties

Hong Li1, Yingge Zhang1(), Weiping Huang2()
Institute of Pharmacology and Toxicology and Key Laboratory of Nanopharmacology and Nanotoxicology, Beijing Academy of Medi-cal Sciences, Beijing 100850 P. R. China
Department of Chemistry, Nankai University, Tianjin 300071, P. R. China
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Abstract

The novel sensors based on TiO2 nanotubes-supported MS (TiO2@MS, M = Cd, Zn) are synthesized via a simple wet chemical method at room temperature. The products are characterized with transmission electron microscopy (TEM), X-ray diffraction (XRD), and photoluminescence spectrum (PL). Their optical and morphological properties indicate the interaction between the TiO2 nanotube and MS nanoparticle. The gas-sensing properties of the obtained samples are studied. Sensors based on the TiO2@MS core/shell heterostructures all show improved gas-sensing properties. The results reveal that the improved performance of the nanocomposites strongly depends on the specific interaction between MS and support.

Keywords

TiO2 nanotubesMetal sulfideCore/shell heterostructuresGas-sensing properties

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Nano Biomedicine and Engineering
Volume 2 Issue 2,
June 2010
Pages 143-148
DOI: 10.5101/nbe.v2i2.p143-148
Cite this article:
Li H, Zhang Y, Huang W. Novel Selective Sensors based on TiO2 Nanotubes supported MS(TiO2@MS, M=Cd, Zn) for their Gas Sensing Properties. Nano Biomedicine and Engineering, 2010, 2(2): 143-148. https://doi.org/10.5101/nbe.v2i2.p143-148
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