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学科主题物理化学
Catalyst-Free Synthesis of Crumpled Boron and Nitrogen Co-Doped Graphite Layers with Tunable Bond Structure for Oxygen Reduction Reaction
Jin, Jutao1,2; Pan, Fuping1; Jiang, Luhua2; Fu, Xiaogang1; Liang, Aiming1; Wei, Zhiyang1; Zhang, Junyan1; Sun, Gongquan2; JunyanZhang; Sun GQ(孙公权)
关键词Catalyst-free Bcn Sheet Tunable Bond Structure Oxygen Reduction Reaction
刊名ACS NANO
2014-04-01
DOI10.1021/nn404927n
8期:4页:3313-3321
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]METAL-FREE ELECTROCATALYSTS ; ALIGNED BCN NANOTUBES ; CARBON NANOTUBES ; MONOLAYER GRAPHENE ; ATOMIC LAYERS ; BORIC-ACID ; NITRIDE ; HETEROSTRUCTURES ; GROWTH ; IMPURITIES
英文摘要Two-dimensional materials based on ternary system of B, C and N are useful ranging from electric devices to catalysis. The bonding arrangement within these BCN nanosheets largely determines their electronic structure and thus chemical and (or) physical properties, yet it remains a challenge to manipulate their bond structures in a convenient and controlled manner. Recently, we developed a synthetic protocol for the synthesis of crumpled BCN nanosheets with tunable B and N bond structure using urea, boric acid and polyethylene glycol (PEG) as precursors. By carefully selecting the synthesis condition, we can tune the structure of BCN sheets from s-BCN with B and N bond together to h-BCN with B and N homogenously dispersed in BCN sheets. Detailed experiments suggest that the final bond structure of B and N in graphene depends on the preferentially doped N structure in BCN nanosheets. When N substituted the in-plane carbon atom with all its electrons configured into the pi electron system of graphene, it facilitates the formation of h-BCN with B and N in separated state. On the contrary, when nitrogen substituted the edge-plane carbon with the nitrogen dopant surrounded with the lone electron pairs, it benefits for the formation of B-N structure. Specially, the compound riched with h-BCN shows excellent ORR performance in alkaline solution due to the synergistic effect between B and N, while s-BCN dominant BCN shows graphite-like activity for ORR, suggesting the intrinsic properties differences of BCN nanosheets with different dopants bond arrangement.
语种英语
WOS记录号WOS:000334990600021
引用统计
被引频次:123[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/144124
专题中国科学院大连化学物理研究所
通讯作者JunyanZhang; Sun GQ(孙公权)
作者单位1.Chinese Acad Sci, State Key Lab Solid Lubricat, Lanzhou Inst Chem Phys, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Lab Fuel Cell, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Jin, Jutao,Pan, Fuping,Jiang, Luhua,et al. Catalyst-Free Synthesis of Crumpled Boron and Nitrogen Co-Doped Graphite Layers with Tunable Bond Structure for Oxygen Reduction Reaction[J]. ACS NANO,2014,8(4):3313-3321.
APA Jin, Jutao.,Pan, Fuping.,Jiang, Luhua.,Fu, Xiaogang.,Liang, Aiming.,...&孙公权.(2014).Catalyst-Free Synthesis of Crumpled Boron and Nitrogen Co-Doped Graphite Layers with Tunable Bond Structure for Oxygen Reduction Reaction.ACS NANO,8(4),3313-3321.
MLA Jin, Jutao,et al."Catalyst-Free Synthesis of Crumpled Boron and Nitrogen Co-Doped Graphite Layers with Tunable Bond Structure for Oxygen Reduction Reaction".ACS NANO 8.4(2014):3313-3321.
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