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题名: Mesoporous nitrogen-doped carbons with high nitrogen contents and ultrahigh surface areas: synthesis and applications in catalysis
作者: Ma, Zhishuang1; Zhang, Hongye1; Yang, Zhenzhen1; Ji, Guipeng1; Yu, Bo1; Liu, Xinwei1; Liu, Zhimin1
刊名: GREEN CHEMISTRY
发表日期: 2016
卷: 18, 期:7, 页:1976-1982
收录类别: SCI
英文摘要: The development of mesoporous nitrogen-doped carbons (NDCs) with high nitrogen contents and high surface areas from biomass is of significance for many applications, such as oxidation reaction catalysts, electrode materials and so on. Herein we report a simple route to prepare mesoporous NDCs via calcinating the mixture of biomass feedstocks (including glucose, cellulose and lignin) and melamine using eutectic salts of KCl and ZnCl2 as the porogen, and a series of mesoporous NDCs with nitrogen content up to 11.9% and BET specific surface area up to 1800 m(2) g(-1) were obtained. Served as metal-free catalysts for oxidation of hydrocarbons with tert-butyl hydroperoxide in aqueous phase, the mesoporous NDC with a N content of 11.4% showed the highest efficiency compared to the reported N-doped carbons. Moreover, the as-prepared NDCs were indicated to be an ideal support to immobilize noble nanoparticles (e.g., Pd, Rh, Ru, Pt), producing a series of NDC supported metal nanocatalysts with metal particle size of around 2 nm. This work opens up a new way to prepare mesoporous N-doped carbon materials with tailored properties.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35969
Appears in Collections:胶体、界面与化学热力学实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, Key Lab Colloid Interface & Thermodynam, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
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