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Nitrogen-doped onion-like carbon: a novel and efficient metal-free catalyst for epoxidation reaction
Y. M. Lin; X. L. Pan; W. Qi; B. S. Zhang; D. S. Su
2014
Source PublicationJournal of Materials Chemistry A
ISSN2050-7488
Volume2Issue:31Pages:12475-12483
AbstractOnion-like carbon (OLC) as a promising carbon material has attracted extensive interest in many fields. In this work, we report for the first time the controllable synthesis of nitrogen-doped OLC via nitric acid pretreatment, followed by different temperature calcination treatment under an ammonia atmosphere. The detailed physicochemical properties of the doped OLC samples are investigated by high resolution transmission electron microscopy (HRTEM), Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), elemental analysis (EA) and electron energy loss spectroscopy (EELS). Moreover, the potential catalytic performance of such doped samples is evidenced by styrene epoxidation reaction, a kind of typical metal-related catalytic reaction. The results indicate that doped OLC samples exhibit more excellent catalytic performance than pristine OLC and some reported metal-related catalysts. The graphitic nitrogen species plays a key role in the catalytic reaction based on some control experiments and a good linear correlation between the content of this species and the activity results. Our work provides valuable information on the design and application of modified carbon materials in catalytic reactions.
description.department[lin, yangming] univ sci & technol china, sch chem & mat sci, hefei 230026, peoples r china. [lin, yangming ; pan, xiaoli ; qi, wei ; zhang, bingsen ; su, dang sheng] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; su, ds (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; dssu@imr.ac.cn
KeywordTetrahedral Amorphous-carbon Oxidative Dehydrogenation Selective Oxidation Styrene Epoxidation Hydrogen-peroxide Aerobic Oxidation Oxidizing-agent Nanotubes Graphene Oxide
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73292
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. M. Lin,X. L. Pan,W. Qi,et al. Nitrogen-doped onion-like carbon: a novel and efficient metal-free catalyst for epoxidation reaction[J]. Journal of Materials Chemistry A,2014,2(31):12475-12483.
APA Y. M. Lin,X. L. Pan,W. Qi,B. S. Zhang,&D. S. Su.(2014).Nitrogen-doped onion-like carbon: a novel and efficient metal-free catalyst for epoxidation reaction.Journal of Materials Chemistry A,2(31),12475-12483.
MLA Y. M. Lin,et al."Nitrogen-doped onion-like carbon: a novel and efficient metal-free catalyst for epoxidation reaction".Journal of Materials Chemistry A 2.31(2014):12475-12483.
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