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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
发表期刊GREEN CHEMISTRY
ISSN1463-9262
卷号19期号:13页码:2957-2965
摘要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.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c7gc00279c
收录类别SCI
语种英语
关键词[WOS]PHOTOCATALYTIC HYDROGEN EVOLUTION ; EFFICIENT HETEROGENEOUS CATALYST ; ZEOLITIC IMIDAZOLATE FRAMEWORK ; VISIBLE-LIGHT ; AQUEOUS-SOLUTIONS ; AGGREGATION BEHAVIOR ; EMERGING APPLICATIONS ; PROPYLENE CARBONATE ; CHEMICAL FIXATION ; MICELLE FORMATION
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者National 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记录号WOS:000404609200008
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22705
专题多相复杂系统国家重点实验室
作者单位1.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
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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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