Humidity effects on scanning polarization force microscopy imaging
Shen, Y; Zhou, Y; Sun, YX; Zhang, LJ; Wang, Y; Hu, J; Zhang, Y
2017
发表期刊APPLIED SURFACE SCIENCE
ISSN0169-4332
卷号412期号:-页码:497-504
文章类型期刊论文
摘要Scanning polarization force microscopy (SPFM) is a useful surface characterization technique to visually characterize and distinguish nanomaterial with different local dielectric properties at nanometer scale. In this paper, taking the individual one-atom-thick graphene oxide (GO) and reduced graphene oxide (rGO) sheets on mica as examples, we described the influences of environmental humidity on SPFM imaging. We found that the apparent heights (AHs) or contrast of SPFM imaging was influenced significantly by relative humidity (RH) at a response time of a few seconds. And this influence rooted in the sensitive dielectric constant of mica surface to the RH change. While dielectric properties of GO and rGO sheets were almost immune to the humidity change. In addition, we gave the method to determine the critical humidity at which the contrast conversion happened under different conditions. And this is important to the contrast control and repeatable imaging of SPFM through RH adjusting. These findings suggest a strategy of controllable and repeatable imaging the local dielectric properties of nanomaterials with SPFM, which is critically important for further distinguishment, manipulation, electronic applications, etc. (C) 2017 Elsevier B.V. All rights reserved.
关键词Reduced Graphene Oxide Wetting Properties Carbon Nanotubes Graphite Oxide Mica Water Reduction Condensation Glycerol Sheets
DOI10.1016/j.apsusc.2017.03.291
关键词[WOS]REDUCED GRAPHENE OXIDE ; WETTING PROPERTIES ; CARBON NANOTUBES ; GRAPHITE OXIDE ; MICA ; WATER ; REDUCTION ; CONDENSATION ; GLYCEROL ; SHEETS
收录类别SCI
语种英语
WOS记录号WOS:000401392900056
引用统计
被引频次:3[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/331007/28681
专题中科院上海应用物理研究所2011-2018年
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Shen, Y,Zhou, Y,Sun, YX,et al. Humidity effects on scanning polarization force microscopy imaging[J]. APPLIED SURFACE SCIENCE,2017,412(-):497-504.
APA Shen, Y.,Zhou, Y.,Sun, YX.,Zhang, LJ.,Wang, Y.,...&Zhang, Y.(2017).Humidity effects on scanning polarization force microscopy imaging.APPLIED SURFACE SCIENCE,412(-),497-504.
MLA Shen, Y,et al."Humidity effects on scanning polarization force microscopy imaging".APPLIED SURFACE SCIENCE 412.-(2017):497-504.
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