IMR OpenIR
The preparation of Cr2O3@WO3 hierarchical nanostructures and their application in the detection of volatile organic compounds (VOCs)
Li, Yujia; Li, Feng; Li, Chao; Wei, Wei; Jiang, Dingsheng; Zhu, Linghui; Sun, Dongming; Zhang, Xindong; Ruan, Shengping; xindong@jlu.edu.cn; ruansp@jlu.edu.cn
2015
发表期刊RSC ADVANCES
ISSN2046-2069
卷号5期号:76页码:61528-61534
摘要Cr2O3@WO3 and WO3 hierarchical nanostructures are prepared using a two-step water bath method, which just needs mild conditions and takes little time. The response to xylene of the Cr2O3@WO3-based sensor is much higher (about 4 times) than that of a WO3-based sensor, and both of the response and recovery processes are quick. As for the selectivity, the Cr2O3@WO3-based sensor shows a better response to xylene, while the WO3-based sensor shows a better response to ethanol. The reason for the response and selectivity change is considered to be that a heterostructure is formed between Cr2O3 (a P-type semiconductor) and WO3 (an N-type semiconductor). Moreover, Cr2O3 is reported to show catalytic oxidation of methyl groups.
部门归属[li, chao ; zhu, linghui ; zhang, xindong] state key lab integrated optoelect, changchun 130012, peoples r china ; [li, yujia ; li, feng ; wei, wei ; jiang, dingsheng ; ruan, shengping] jilin univ, coll elect sci & engn, changchun 130012, peoples r china ; [sun, dongming] chinese acad sci, inst met res, shenyang 110016, peoples r china
资助者National Natural Science Foundation of China [61274068]; Chinese National Programs for High Technology Research and Development [2013AA030902]; Project of Science and Technology Plan of Changchun City [14KG020, 14KG019]; Opened Fund of the State Key Laboratory on Integrated Optoelectronics [IOSKL2013KF10]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75203
专题中国科学院金属研究所
通讯作者xindong@jlu.edu.cn; ruansp@jlu.edu.cn
推荐引用方式
GB/T 7714
Li, Yujia,Li, Feng,Li, Chao,et al. The preparation of Cr2O3@WO3 hierarchical nanostructures and their application in the detection of volatile organic compounds (VOCs)[J]. RSC ADVANCES,2015,5(76):61528-61534.
APA Li, Yujia.,Li, Feng.,Li, Chao.,Wei, Wei.,Jiang, Dingsheng.,...&ruansp@jlu.edu.cn.(2015).The preparation of Cr2O3@WO3 hierarchical nanostructures and their application in the detection of volatile organic compounds (VOCs).RSC ADVANCES,5(76),61528-61534.
MLA Li, Yujia,et al."The preparation of Cr2O3@WO3 hierarchical nanostructures and their application in the detection of volatile organic compounds (VOCs)".RSC ADVANCES 5.76(2015):61528-61534.
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