Catalyst-Free Synthesis of Crumpled Boron and Nitrogen Co-Doped Graphite Layers with Tunable Bond Structure for Oxygen Reduction Reaction
文献类型:期刊论文
作者 | Jin, Jutao1,2; Pan, Fuping1; Jiang, Luhua2; Fu, Xiaogang1; Liang, Aiming1; Wei, Zhiyang1; Zhang, Junyan1; Sun, Gongquan2 |
刊名 | acs nano
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出版日期 | 2014-04-01 |
卷号 | 8期号:4页码:3313-3321 |
关键词 | catalyst-free BCN sheet tunable bond structure oxygen reduction reaction |
通讯作者 | junyanzhang ; 孙公权 |
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. |
WOS标题词 | science & technology ; physical sciences ; technology |
学科主题 | 物理化学 |
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 |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000334990600021 |
公开日期 | 2016-05-09 |
源URL | [http://cas-ir.dicp.ac.cn/handle/321008/144124] ![]() |
专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
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.,...&Sun, Gongquan.(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. |
入库方式: OAI收割
来源:大连化学物理研究所
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