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Boron-doped melamine-derived carbon nitrides tailored by ionic liquids for catalytic conversion of CO2 into cyclic carbonates
Su, Qian1,2; Yao, Xiaoqian1; Cheng, Weiguo1; Zhang, Suojiang1
2017-07-07
Source PublicationGREEN CHEMISTRY
ISSN1463-9262
Volume19Issue:13Pages:2957-2965
Abstract

A new approach to tailoring edge active groups of graphitic carbon nitrides for catalytic conversion of CO2 into cyclic carbonates was proposed in this work. To improve the catalytic performance, boron-doped melamine-derived graphitic carbon nitrides (MCNB) with numerous exposed edge defects were prepared by using 1-butyl-3-methylimidazolium tetrafluoroborate (BmimBF(4)) as the soft template and boron source. Different mass ratios of BmimBF(4) to melamine were explored for MCNB preparation, MCNB(x) (x is the mass ratio) with different polymerization degree, pore structure and boron doping content were obtained, and the relationship between MCNB properties and the corresponding catalytic activity was then investigated. With low polymerization degree, abundant meso-macroporous structure and small amounts of boron (<1.59 atm%) doped in the skeleton, MCNB(0.01) exhibited better catalytic performance and could be suitable for various epoxide substrates with the yield of cyclic carbonates up to 89.0% at 130 degrees C in 6 h. According to the XPS analysis and DFT calculation results, the active centers were confirmed to be the partially-condensed amino groups in edge defects, which were enhanced by moderate doping of boron in the skeleton.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c7gc00279c
Indexed BySCI
Language英语
WOS KeywordPhotocatalytic Hydrogen Evolution ; Efficient Heterogeneous Catalyst ; Zeolitic Imidazolate Framework ; Visible-light ; Aqueous-solutions ; Aggregation Behavior ; Emerging Applications ; Propylene Carbonate ; Chemical Fixation ; Micelle Formation
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationNational Key Projects for Fundamental Research and Development of China(2016YFB0600903) ; National Natural Science Foundation of China(21676274) ; Key Program of National Natural Science Foundation of China(91434203) ; Key Research Program of Frontier Sciences, CAS(QYZDY-SSW-JSC011) ; Fund of State Key Laboratory of Multiphase Complex Systems, IPE, CAS(MPCS-2015-A-05)
WOS IDWOS:000404609200008
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22705
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, Key Lab Green Proc & Engn,State Key Lab Multiphas, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Su, Qian,Yao, Xiaoqian,Cheng, Weiguo,et al. Boron-doped melamine-derived carbon nitrides tailored by ionic liquids for catalytic conversion of CO2 into cyclic carbonates[J]. GREEN CHEMISTRY,2017,19(13):2957-2965.
APA Su, Qian,Yao, Xiaoqian,Cheng, Weiguo,&Zhang, Suojiang.(2017).Boron-doped melamine-derived carbon nitrides tailored by ionic liquids for catalytic conversion of CO2 into cyclic carbonates.GREEN CHEMISTRY,19(13),2957-2965.
MLA Su, Qian,et al."Boron-doped melamine-derived carbon nitrides tailored by ionic liquids for catalytic conversion of CO2 into cyclic carbonates".GREEN CHEMISTRY 19.13(2017):2957-2965.
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