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	Morphology and wettability of [bmim][pf6] ionic liquid on hopg substrate
	Zhang Fu-Chun1,3; Sha Mao-Lin2; Ren Xiu-Ping1,3; Wu Guo-Zhong1; Hu Jun1; Zhang Yi1
刊名	Chinese physics letters
	2010-08-01
卷号	27期号:8页码:4
ISSN号	0256-307X
DOI	10.1088/0256-307x/27/8/086101
通讯作者	Zhang fu-chun()
英文摘要	We investigate the morphology and wettability of [bmim][pf6] ionic liquid (il) on a highly oriented pyrolitic graphite (hopg) substrate using atomic force microscopy. thin films, nanometer-sized droplets, and "drop-on-layer" structures of the il are found on the substrate. films with a thickness of up to 2 nm (about 4 il layers) show the solid-like behavior. in contrast, a dewetting phenomenon is observed for thicker il films, indicating that the il films retain liquid properties. the contact angle of a buck il droplet on the hopg is measured to be about 35 degrees. the wettability of the bulk il droplet on the hopg is found to be quite different from that of il films. these results indicate that the il molecules can be organized into various micro-morphologies when they are confined to a solid substrate and show characteristic behavior at nanometer scales.
WOS关键词	SENSITIZED SOLAR-CELLS ; X-RAY REFLECTIVITY ; ROOM-TEMPERATURE ; DOUBLE-LAYER ; MOLECULAR COMPOSITION ; SURFACE ; INTERFACE ; ORIENTATION ; ELECTROLYTE ; SPECTROSCOPY
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
语种	英语
出版者	IOP PUBLISHING LTD
WOS记录号	WOS:000280577200034
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2405748
专题	中国科学院大学
通讯作者	Zhang Fu-Chun
作者单位	1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China 2.Hefei Normal Univ, Dept Chem & Chem Engn, Hefei 230061, Peoples R China 3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhang Fu-Chun,Sha Mao-Lin,Ren Xiu-Ping,et al. Morphology and wettability of [bmim][pf6] ionic liquid on hopg substrate[J]. Chinese physics letters,2010,27(8):4.
APA	Zhang Fu-Chun,Sha Mao-Lin,Ren Xiu-Ping,Wu Guo-Zhong,Hu Jun,&Zhang Yi.(2010).Morphology and wettability of [bmim][pf6] ionic liquid on hopg substrate.Chinese physics letters,27(8),4.
MLA	Zhang Fu-Chun,et al."Morphology and wettability of [bmim][pf6] ionic liquid on hopg substrate".Chinese physics letters 27.8(2010):4.

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