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题名: Preparation of graphene oxide/polyethyleneimine layer-by-layer assembled film for enhanced hydrogen barrier property
作者: Zhao, LL; Zhang, HY; Kim, NH; Hui, D; Lee, JH; Li, Q(李奇); Sun, HX; Li, P
通讯作者: Li, P ; Lee, JH
刊名: COMPOSITES PART B-ENGINEERING
发表日期: 2016
DOI: 10.1016/j.compositesb.2016.02.037
卷: 92
收录类别: SCI ; EI
文章类型: 期刊论文
部门归属: 纳米器件及相关材料研究部
英文摘要: A super hydrogen barrier film was prepared via layer-by-layer self-assembly of graphene oxide (GO) and polyethyleneimine (PEI), and the effects of pH of the PEI solution on the performance of LBL films were studied in detail. Results show that the pH value of PEI solution has a significant influence not only on the adsorbed amount of self-assembly materials but also the stacking morphology of GO sheets. When the pH values of GO suspension and PEI solution are identical, the self-assembled film shows a superior hydrogen gas barrier performance under pH of 3.5. When the pH value of GO suspension was fixed and that of PEI solution was varied, the adsorbed amount of the film was increased and reached a maximum value when the pH of PEI solution was 12, and the film prepared under this condition had a 12.7% increase on thickness and a 55.5% decrease on its hydrogen transmission rate (H2TR). (C) 2016 Elsevier Ltd. All rights reserved.
关键词[WOS]: MULTILAYER THIN-FILMS ; SUPER GAS BARRIER ; POLYMER NANOCOMPOSITES ; OXIDE PAPER ; TRANSPARENT ; FABRICATION ; DEPOSITION ; SINGLE ; SHEETS ; ORDER
语种: 英语
JCR小类分区: 二区
WOS记录号: WOS:000374609400022
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4540
Appears in Collections:纳米器件及相关材料研究部_刘立伟团队_期刊论文

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Recommended Citation:
Zhao, LL,Zhang, HY,Kim, NH,et al. Preparation of graphene oxide/polyethyleneimine layer-by-layer assembled film for enhanced hydrogen barrier property[J]. COMPOSITES PART B-ENGINEERING,2016,92.
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