Insights into the solar light driven thermocatalytic oxidation of VOCs over tunnel structured manganese oxides
Zheng, Yali1,2; Wang, Wenzhong1; Jiang, Dong1,2; Zhang, Ling1; Li, Xiaoman1,2; Wang, Zhong1,2
刊名PHYSICAL CHEMISTRY CHEMICAL PHYSICS
2016-07-21
卷号18期号:27页码:18180-18186
英文摘要

Different tunnel structured manganese oxides (1(star)1, 2(star)2, and 3(star)3) have been synthesized via a facile hydrothermal strategy. The three catalysts exhibit high photothermal performance, resulting in a considerable increase of temperature above the light-off temperature for VOC oxidation. On this point, aerobic oxidation reactions of propane and propylene under simulated sunlight and infrared light irradiation were selected as probe reactions to explore their light driven thermocatalytic activity. Furthermore, the light-off curves of the manganese oxides for propane and propylene were carefully investigated, which clearly explained the possibility of combining both the efficient photothermal effect and excellent thermocatalytic activity of the manganese oxides. Results show that the catalytic effects follow the order of 1(star)1 < 3(star)3 < 2(star)2. 2(star)2 exhibited the best catalytic properties due to better low-temperature reducibility, suitable tunnel structure and the presence of more Mn4+. This work suggests new applications for traditional catalysts with intense photoabsorption and provides insights into the overall utilization of solar energy.

WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]Chemistry ; Physics
关键词[WOS]LOW-TEMPERATURE OXIDATION ; CATALYTIC-ACTIVITY ; FORMALDEHYDE OXIDATION ; WATER OXIDATION ; OMS-2 NANORODS ; NANOSTRUCTURES ; EFFICIENT ; PROPANE ; EPSILON-MNO2 ; COMBUSTION
收录类别SCI
语种英语
WOS记录号WOS:000379486200046
内容类型期刊论文
源URL[http://ir.sic.ac.cn/handle/331005/22962]  
专题上海硅酸盐研究所_高性能陶瓷和超微结构国家重点实验室_期刊论文
作者单位1.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, 1295 Dingxi Rd, Shanghai 200050, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Zheng, Yali,Wang, Wenzhong,Jiang, Dong,et al. Insights into the solar light driven thermocatalytic oxidation of VOCs over tunnel structured manganese oxides[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2016,18(27):18180-18186.
APA Zheng, Yali,Wang, Wenzhong,Jiang, Dong,Zhang, Ling,Li, Xiaoman,&Wang, Zhong.(2016).Insights into the solar light driven thermocatalytic oxidation of VOCs over tunnel structured manganese oxides.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,18(27),18180-18186.
MLA Zheng, Yali,et al."Insights into the solar light driven thermocatalytic oxidation of VOCs over tunnel structured manganese oxides".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 18.27(2016):18180-18186.
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