In Situ Observation of Thermal Proton Transport through Graphene Layers
Zhu, DM; Liu, X; Gao, Y; Li, YD; Wang, R; Xu, ZJ; Ji, GW; Jiang, S; Zhao, B; Yin, GZ; Li, L; Yang, TY; Wang, Y; Yi, L; Li, XL; Tai, RZ
2017
发表期刊ACS NANO
ISSN1936-0851
卷号11期号:9页码:8970-8977
文章类型期刊论文
摘要Protons can penetrate through single-layer graphene, but thicker graphene layers (more than 2 layers), which possess more compact electron density, are thought to be unfavorable for penetration by protons at room temperature and elevated temperatures. In this work, we developed an in situ subsecond time-resolved grazing incidence X-ray diffraction technique, which fully realizes the real-time observation of the thermal proton interaction with the graphene layers at high temperature. By following the evolution of interlayer structure during the protonation process, we demonstrated that thermal protons can transport through multilayer graphene (more than 8 layers) on nickel foil at 900 degrees C. In comparison,, under the same conditions, the multilayer graphenes are impermeable to argon, nitrogen, helium, and their derived ions. Complementary in situ transport measurements simultaneously verify the penetration phenomenon at high temperature. Moreover, the direct transport of protons through graphene is regarded as the dominant contribution to the penetration phenomenon. The thermal activation, weak interlayer interaction between layers, and the affinity of the nickel catalyst may all contribute to the proton transport. We believe that this method could become one of the established approaches for the characterization of the ions intercalated with 2D materials in situ and in real-time.
关键词Chemical-vapor-deposition Single-layer Reversible Hydrogenation Monolayer Graphene Porous Graphene Large-area Growth Thickness Crystals Films
DOI10.1021/acsnano.7b03359
关键词[WOS]CHEMICAL-VAPOR-DEPOSITION ; SINGLE-LAYER ; REVERSIBLE HYDROGENATION ; MONOLAYER GRAPHENE ; POROUS GRAPHENE ; LARGE-AREA ; GROWTH ; THICKNESS ; CRYSTALS ; FILMS
收录类别SCI
语种英语
WOS记录号WOS:000411918200045
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28694
专题中科院上海应用物理研究所2011-2018年
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GB/T 7714
Zhu, DM,Liu, X,Gao, Y,et al. In Situ Observation of Thermal Proton Transport through Graphene Layers[J]. ACS NANO,2017,11(9):8970-8977.
APA Zhu, DM.,Liu, X.,Gao, Y.,Li, YD.,Wang, R.,...&Tai, RZ.(2017).In Situ Observation of Thermal Proton Transport through Graphene Layers.ACS NANO,11(9),8970-8977.
MLA Zhu, DM,et al."In Situ Observation of Thermal Proton Transport through Graphene Layers".ACS NANO 11.9(2017):8970-8977.
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