Active Coordinatively Unsaturated Manganese Monoxide-Containing Mesoporous Carbon Catalyst in Wet Peroxide Oxidation
文献类型:期刊论文
作者 | Kong, LN ; Wei, W ; Zhao, QF ; Wang, JQ(王建强) ; Wan, Y |
刊名 | ACS CATALYSIS
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出版日期 | 2012 |
卷号 | 2期号:12 |
ISSN号 | 2155-5435 |
英文摘要 | A novel heterogeneous coordinatively unsaturated manganese monoxide-containing mesoporous carbon catalyst (C-MnO) is reported here. The catalysts exhibit high catalytic activity in wet oxidation of phenol (almost complete mineralization with an initial concentration of 50 mg/L at atmospheric pressure) and stability (reused 20 times without obvious activity loss or metal leaching), and they take more advantages than most developed heterogeneous Fenton catalysts. The one-pot surfactant self-assembly approach is used for the synthesis of the mesoporous C-MnO catalysts. Small-angle X-ray diffraction (XRD), N-2 sorption, and transmission electron microscopy results reveal that the catalysts have the ordered two-dimensional hexagonal mesostructure, large surface areas (530-552 m(2)/g), uniform pore sizes (3.3-5.4 nm), and large pore volumes (0.34-0.44 cm(3)/g); MnO nanoparticles (<12 nm) are well dispersed inside carbon mesopore systems with high crystallinity. The wide-angle XRD pattern reveals the presence of cubic rock salt structure MnO, and the Mn K-edge X-ray absorption fine structure spectra confirms the low chemical valence and the coordination unsaturated state of Mn. The high activity and stability of C-MnO catalysts might be related to the mesostructure, carbon pore wall, and, more importantly, the confined undercoordinative MnO nanoparticles. |
语种 | 英语 |
WOS记录号 | WOS:000312170100018 |
公开日期 | 2013-09-11 |
源URL | [http://ir.sinap.ac.cn/handle/331007/13085] ![]() |
专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
推荐引用方式 GB/T 7714 | Kong, LN,Wei, W,Zhao, QF,et al. Active Coordinatively Unsaturated Manganese Monoxide-Containing Mesoporous Carbon Catalyst in Wet Peroxide Oxidation[J]. ACS CATALYSIS,2012,2(12). |
APA | Kong, LN,Wei, W,Zhao, QF,Wang, JQ,&Wan, Y.(2012).Active Coordinatively Unsaturated Manganese Monoxide-Containing Mesoporous Carbon Catalyst in Wet Peroxide Oxidation.ACS CATALYSIS,2(12). |
MLA | Kong, LN,et al."Active Coordinatively Unsaturated Manganese Monoxide-Containing Mesoporous Carbon Catalyst in Wet Peroxide Oxidation".ACS CATALYSIS 2.12(2012). |
入库方式: OAI收割
来源:上海应用物理研究所
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