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Hydrothermal synthesis and enhanced xylene-sensing properties of pompon-like Cr-doped Co3O4 hierarchical nanostructures
Li, Yujia; Ma, Xiaohui; Guo, Sijia; Wang, Bin; Sun, Dongming; Zhang, Xindong; Ruan, Shengping; xindong@jlu.edu.cn; ruansp@jlu.edu.cn
2016
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume6Issue:27Pages:22889-22895
AbstractPompon-like Co3O4 and Cr-doped Co3O4 hierarchical nanostructures were synthesized via a hydrothermal reaction, and a series of different proportions of Cr were doped to investigate the effect of Cr-doping on the gas sensing performance. All the prepared materials were used to fabricate gas sensors, and the result of the gas sensing measurements indicated that the optimum proportion of Cr/Co was 5 at%, whose response (6.38) to xylene (5 ppm) was higher than the others. Further, with increasing Cr ratio, the response to xylene (5 ppm) tended to decline after ascending, with 5 at% (Cr/Co) as the cut-off point, but all sensors made from Cr-doped Co3O4 hierarchical nanostructures showed a higher response to xylene than the pure Co3O4 hierarchical nanostructures, which improved the selectivity of sensors. In addition, it is worth mentioning that all the sensors' optimum working temperatures were low, requiring a smaller heating current and low power consumption.
description.department[li, yujia ; ma, xiaohui ; wang, bin ; ruan, shengping] jilin univ, coll elect sci & engn, changchun 130012, peoples r china ; [guo, sijia ; zhang, xindong] jilin univ, state key lab integrated optoelect, changchun 130012, peoples r china ; [sun, dongming] chinese acad sci, inst met res, shenyang 110016, peoples r china
Funding OrganizationNational Natural Science Foundation of China [61404058, 11574110]; Project of Science and Technology Plan of Changchun City [14KG020]; Opened Fund of the State Key Laboratory on Integrated Optoelectronics [IOSKL2013KF10]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74898
Collection中国科学院金属研究所
Corresponding Authorxindong@jlu.edu.cn; ruansp@jlu.edu.cn
Recommended Citation
GB/T 7714
Li, Yujia,Ma, Xiaohui,Guo, Sijia,et al. Hydrothermal synthesis and enhanced xylene-sensing properties of pompon-like Cr-doped Co3O4 hierarchical nanostructures[J]. RSC ADVANCES,2016,6(27):22889-22895.
APA Li, Yujia.,Ma, Xiaohui.,Guo, Sijia.,Wang, Bin.,Sun, Dongming.,...&ruansp@jlu.edu.cn.(2016).Hydrothermal synthesis and enhanced xylene-sensing properties of pompon-like Cr-doped Co3O4 hierarchical nanostructures.RSC ADVANCES,6(27),22889-22895.
MLA Li, Yujia,et al."Hydrothermal synthesis and enhanced xylene-sensing properties of pompon-like Cr-doped Co3O4 hierarchical nanostructures".RSC ADVANCES 6.27(2016):22889-22895.
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