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Hydrothermal synthesis of highly nitrogen-doped few-layer graphene via solid-gas reaction
Liang, XQ; Zhong, J; Shi, YL; Guo, J; Huang, GL; Hong, CH; Zhao, YD; Hong CH(洪才浩); Zhao YD(赵屹东)
2015
Source PublicationMATERIALS RESEARCH BULLETIN
ISSN0025-5408
EISSN1873-4227
Volume61Pages:252-258
SubtypeArticle
AbstractNitrogen-doped (N-doped) graphene sheets with high doping concentration were facilely synthesized through solid-gas reaction of graphene oxide (GO) with ammonia vapor in a self-designed hydrothermal system. The morphology, surface chemistry and electronic structure of N-doped graphene sheets were investigated by TEM, AFM, XRD, XPS, XANES and Raman characterizations. Upon hydrothermal treatment, up to 13.22 at% of nitrogen could be introduced into the crumpled few-layer graphene sheets. Both XPS and}CANES analysis reveal that the reaction between oxygen functional groups in GO and ammonia vapor produces amide and amine species in hydrothermally treated GO (HTGO). Subsequent thermal annealing of the resultant HTGO introduces a gradual transformation of nitrogen bonding configurations in graphene sheets from amine N to pyridinic and graphitic N with the increase of annealing temperature. This study provides a simple but cost-effective and eco-friendly method to prepare N-doped graphene materials in large-scale for potential applications. (C) 2014 Elsevier Ltd. All rights reserved.
KeywordNanostructures Chemical synthesis Photoelectron spectroscopy XAFS (EXAFS and XANES) Electronic structure
Subject AreaMaterials Science
DOI10.1016/j.materresbull.2014.09.088
Indexed BySCI ; EI
Language英语
WOS Research AreaMaterials Science, Multidisciplinary
WOS SubjectMaterials Science
WOS IDWOS:000347498700041
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/228196
Collection多学科研究中心
Recommended Citation
GB/T 7714
Liang, XQ,Zhong, J,Shi, YL,et al. Hydrothermal synthesis of highly nitrogen-doped few-layer graphene via solid-gas reaction[J]. MATERIALS RESEARCH BULLETIN,2015,61:252-258.
APA Liang, XQ.,Zhong, J.,Shi, YL.,Guo, J.,Huang, GL.,...&赵屹东.(2015).Hydrothermal synthesis of highly nitrogen-doped few-layer graphene via solid-gas reaction.MATERIALS RESEARCH BULLETIN,61,252-258.
MLA Liang, XQ,et al."Hydrothermal synthesis of highly nitrogen-doped few-layer graphene via solid-gas reaction".MATERIALS RESEARCH BULLETIN 61(2015):252-258.
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