文献类型：期刊文献

英文题名：N-Doping of plasma exfoliated graphene oxide via dielectric barrier discharge plasma treatment for the oxygen reduction reaction

作者：Wang, Yiqing[1];Yu, Feng[1];Zhu, Mingyuan[1];Ma, Cunhua[1];Zhao, Dan[1];Wang, Chao[1];Zhou, Amin[1];Dai, Bin[1];Ji, Junyi[2];Guo, Xuhong[1,3]

机构：[1]Shihezi Univ, Sch Chem & Chem Engn, Key Lab Green Proc Chem Engn Xinjiang Bingtuan, Shihezi 832003, Peoples R China;[2]Sichuan Univ, Coll Chem Engn, Chengdu 610065, Sichuan, Peoples R China;[3]East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China

年份：2018

卷号：6

期号：5

起止页码：2011

外文期刊名：JOURNAL OF MATERIALS CHEMISTRY A

收录：;EI(收录号：20180604753316);WOS:【SCI-EXPANDED(收录号:WOS:000423981200012)】；

基金：This work was supported by the National Natural Science Foundation of China (21506130, 21663022), the Program for Changjiang Scholars and Innovative Research Team in University of Ministry of Education of China (IRT_15R46) and the Program of Science and Technology Innovation Team in Bingtuan (2015BD003).

语种：英文

外文关键词：Nitrogen plasma - Platelets - Ammonia - Doping (additives) - Electrocatalysts - Exfoliation (materials science) - Dielectric devices - Electrolytic reduction - Transition metals - Electrocatalysis - Graphene - Dielectric barrier discharge - Dielectric materials - Flow control - Plasma applications

摘要：Nitrogen doped plasma exfoliated graphene oxide (N-PEGO) was obtained by fast and effective dielectric barrier discharge (DBD) plasma technology. The plasma treatment could provide a burst open and high-energy electron/ion collision mechanism for doping and exfoliation. Ammonium carbonate was previously inserted into the interlayer of GO powder, and the rapid release of the NH3 and CO2 gases during DBD plasma treatment could exfoliate the GO powder into few-layer PEGO (<4 layers). Moreover, the plasma treatment also introduced the nitrogen dopant (5.26 at%), which is proven to be an efficient strategy to enhance the performance of oxygen reduction reaction (ORR) electrocatalysts. The resulting N-PEGO showed a high onset potential comparable to that of commercial Pt/C, i.e., 0.89 V vs. reversible hydrogen electrode (RHE) and good electrocatalysis stability towards the ORR. This fast and effective one-step doping and exfoliation strategy demonstrated a new industrial-scale N-doped graphene fabrication technique.