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Low temperature decomposition of ozone by facilely synthesized cuprous oxide catalyst
Gong, Shuyan1,2; Li, Wenhui1,2; Xie, Zheng1; Ma, Xiang1,2; Liu, Haidi1; Han, Ning1,3; Chen, Yunfa1,3
2017-06-21
发表期刊NEW JOURNAL OF CHEMISTRY
ISSN1144-0546
卷号41期号:12页码:4828-4834
摘要In recent years, ozone remains to be one of the most common air pollutants generated by ultraviolet irradiation and/or emitted from daily machines. Since ozone is harmful to both humans and the environment even in trace concentrations, it is challenging to catalytically decompose ozone with high efficiency and low cost. In this study, surface exposure and particle size-controlled cuprous oxide (Cu2O) is synthesized in ambient conditions through a simple reductive solution chemistry route. Ozone decomposition test shows that 40 nm cubic Cu2O has 100% degradation efficiency at 25 degrees C, with high resistance to water vapor. Moreover, the high catalytic activity can also be maintained for >6 h at 0 degrees C. The related mechanism is found to be a facile desorption of the weakly adsorbed O-2(2-) intermediate on {100} plane of cubic Cu2O in the ozone decomposition process. This is proven by oxygen temperature programmed desorption, X-ray photoelectron spectroscopy and atomic model establishments. The results provide promising evidence of the facilely synthesized Cu2O catalyst in a highly active ozone degradation process, for the benefit of human health and environment sustainability.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c7nj00253j
收录类别SCI
语种英语
关键词[WOS]RAMAN-SPECTROSCOPY ; ROOM-TEMPERATURE ; GROWTH-MECHANISM ; AIR-POLLUTION ; CU2O CRYSTALS ; MANGANESE ; REMOVAL ; REACTIVITY ; REDUCTION ; EVOLUTION
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者National Key Research and Development Program(2016YFC0207104) ; Strategic Priority Research Program of the Chinese Academy of Sciences(XDB05050400) ; State Key Laboratory of Multiphase Complex Systems(MPCS-2015-A-04)
WOS记录号WOS:000403340100021
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22622
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Urban Environm, Ctr Excellence Reg Atmospher Environm, Xiamen 361021, Peoples R China
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Gong, Shuyan,Li, Wenhui,Xie, Zheng,et al. Low temperature decomposition of ozone by facilely synthesized cuprous oxide catalyst[J]. NEW JOURNAL OF CHEMISTRY,2017,41(12):4828-4834.
APA Gong, Shuyan.,Li, Wenhui.,Xie, Zheng.,Ma, Xiang.,Liu, Haidi.,...&Chen, Yunfa.(2017).Low temperature decomposition of ozone by facilely synthesized cuprous oxide catalyst.NEW JOURNAL OF CHEMISTRY,41(12),4828-4834.
MLA Gong, Shuyan,et al."Low temperature decomposition of ozone by facilely synthesized cuprous oxide catalyst".NEW JOURNAL OF CHEMISTRY 41.12(2017):4828-4834.
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