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CAS OpenIR  > 中科院上海应用物理研究所2011-2017年  > 期刊论文
题名:
Accelerated evaporation of water on graphene oxide
作者: Wan, RZ; Shi, GS
刊名: PHYSICAL CHEMISTRY CHEMICAL PHYSICS
出版日期: 2017
卷号: 19, 期号:13, 页码:8843-8847
DOI: 10.1039/c7cp00553a
文章类型: 期刊论文
英文摘要: Using molecular dynamics simulations, we show that the evaporation of nanoscale volumes of water on patterned graphene oxide is faster than that on homogeneous graphene oxide. The evaporation rate of water is insensitive to variation in the oxidation degree of the oxidized regions, so long as the water film is only distributed on the oxidized regions. The evaporation rate drops when the water film spreads onto the unoxidized regions. Further analysis showed that varying the oxidation degree observably changed the interaction between the outmost water molecules and the solid surface, but the total interaction for the outmost water molecules only changed a very limited amount due to the correspondingly regulated water-water interaction when the water film is only distributed on the oxidized regions. When the oxidation degree is too low and some unoxidized regions are also covered by the water film, the thickness of the water film decreases, which extends the lifetime of the hydrogen bonds for the outmost water molecules and lowers the evaporation rate of the water. The insensitivity of water evaporation to the oxidation degree indicates that we only need to control the scale of the unoxidized and oxidized regions for graphene oxide to regulate the evaporation of nanoscale volumes of water.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000399004700022
ISSN号: 1463-9076
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27248
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Wan, RZ,Shi, GS. Accelerated evaporation of water on graphene oxide[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2017-01-01,19(13):8843-8847.
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