CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
Detection of novel gaseous states at the highly oriented pyrolytic graphite-water interface
Zhang, XH; Zhang, XD; Sun, JL; Zhang, ZX; Li, G; Fang, HP(方海平); Xiao, XD; Zeng, XC; Hu, J(胡钧); Zhang, XH (reprint author), Shanghai Jiao Tong Univ, Nanobiol Lab, Bio X Life Sci Res Ctr, Coll Life Sci & Biotechnol, Shanghai 200030, Peoples R China
2007
Source PublicationLANGMUIR
ISSN0743-7463
Volume23Issue:4Pages:1778
AbstractWe report a novel form of the gaseous state at the interface of water and highly oriented pyrolytic graphite (HOPG) that is induced by local supersaturation of gas. Such local supersaturation of gas next to the HOPG substrate can be achieved by (1) displacing an organic liquid with a gentle flow of water, (2) displacing cold water (similar to 0 degrees C) with a gentle flow of warm water (similar to 40 degrees C), or (3) preheating the HOPG substrate to similar to 80 degrees C before exposing it to water at room temperature. In addition to the spherical-cap-shaped nanobubbles reported by many researchers, flat (quasi-two-dimensional, pancake-like) gas layers and nanobubble-flat gas layer composites (spherical-cap-shaped nanobubbles sitting on top of the quasi-two-dimensional gas layers) were detected. These entities disappeared after the system was subjected to a moderate level of degassing (similar to 0.1 atm for 1.5 h), and they did not form when the liquids involved in the aforementioned displacing procedure (to induce local supersaturation of gas) had been predegassed (to similar to 0.1 atm). The stability and some physical properties of these newly found gaseous states are examined.
Subject AreaPhysics
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000243990200027
Citation statistics
Cited Times:121[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8268
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorZhang, XH (reprint author), Shanghai Jiao Tong Univ, Nanobiol Lab, Bio X Life Sci Res Ctr, Coll Life Sci & Biotechnol, Shanghai 200030, Peoples R China
Recommended Citation
GB/T 7714
Zhang, XH,Zhang, XD,Sun, JL,et al. Detection of novel gaseous states at the highly oriented pyrolytic graphite-water interface[J]. LANGMUIR,2007,23(4):1778.
APA Zhang, XH.,Zhang, XD.,Sun, JL.,Zhang, ZX.,Li, G.,...&Zhang, XH .(2007).Detection of novel gaseous states at the highly oriented pyrolytic graphite-water interface.LANGMUIR,23(4),1778.
MLA Zhang, XH,et al."Detection of novel gaseous states at the highly oriented pyrolytic graphite-water interface".LANGMUIR 23.4(2007):1778.
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