CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Active Coordinatively Unsaturated Manganese Monoxide-Containing Mesoporous Carbon Catalyst in Wet Peroxide Oxidation
Kong, LN; Wei, W; Zhao, QF; Wang, JQ(王建强); Wan, Y
2012
Source PublicationACS CATALYSIS
ISSN2155-5435
Volume2Issue:12
AbstractA 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.
Language英语
Funding Project应物所项目组
WOS IDWOS:000312170100018
Citation statistics
Cited Times:44[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13085
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
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).
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