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Pd-loaded SnO2 ultrathin nanorod-assembled hollow microspheres with the significant improvement for toluene detection
Zhang, K.; X. Yang; Y. Z. Wang; Y. F. Bing; L. Qiao; Z. Z. Liang; S. S. Yu; Y. Zeng and W. T. Zheng
2017
Source PublicationSensors and Actuators B-Chemical
Volume243
AbstractPd-loaded SnO2 hollow microspheres have been successfully prepared via a facile one-pot hydrothermal route and subsequent Pd-loaded treatment without involving any templates, surfactants, or capping agents. The morphological and structural characterization confirms that Pd-loaded SnO2 hollow micro spheres are hierarchically constructed of numerous well-aligned rodlike SnO2 subunits with ultrathin diameter of about 5-10 nm and monodisperse Pd particles with several nanometers in size. The time dependent investigation demonstrates that the formation of hierarchical SnO2 hollow spheres is driven by Ostwald-ripening mechanism. Furthermore, gas sensors based on pure and Pd-loaded SnO2 have been fabricated. The Pd-loaded SnO2 hollow microspheres exhibit relatively lower operating temperature, higher response and selectivity to toluene in comparison with that of pure SnO2. Besides structural merits of ultrathin nanorod-assembled hollow and porous structure, the promotion of sensing performances can also be attributed to the contribution of catalytic Pd particles. (C) 2016 Elsevier B.V. All rights reserved.
Indexed Bysci ; ei
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59440
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Zhang, K.,X. Yang,Y. Z. Wang,et al. Pd-loaded SnO2 ultrathin nanorod-assembled hollow microspheres with the significant improvement for toluene detection[J]. Sensors and Actuators B-Chemical,2017,243.
APA Zhang, K..,X. Yang.,Y. Z. Wang.,Y. F. Bing.,L. Qiao.,...&Y. Zeng and W. T. Zheng.(2017).Pd-loaded SnO2 ultrathin nanorod-assembled hollow microspheres with the significant improvement for toluene detection.Sensors and Actuators B-Chemical,243.
MLA Zhang, K.,et al."Pd-loaded SnO2 ultrathin nanorod-assembled hollow microspheres with the significant improvement for toluene detection".Sensors and Actuators B-Chemical 243(2017).
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