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Water penetration/accommodation and phase behaviour of the neutral langmuir monolayer at the air/water interface probed with sum frequency generation vibrational spectroscopy (SFG-VS)
Zhang, Zhen1,2; Zheng, De-sheng1,2; Guo, Yuan1; Wang, Hong-fei1
刊名PHYSICAL CHEMISTRY CHEMICAL PHYSICS
2009
DOI10.1039/b813187b
11期:6页:991-1002
收录类别SCI
文章类型Review
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]Chemistry ; Physics
关键词[WOS]SELF-ASSEMBLED MONOLAYERS ; SURFACE 2ND-HARMONIC GENERATION ; SIZE-SELECTED WATER ; LIQUID-CRYSTAL ; BINARY-MIXTURES ; MOLECULAR-CONFORMATION ; INFRARED-SPECTROSCOPY ; AQUEOUS-SOLUTIONS ; ORIENTATIONAL DISTRIBUTION ; 2-DIMENSIONAL FILMS
英文摘要A strong and broad hydrogen bonded O-H band around 3520 cm(-1) is observed in the insoluble monolayer of the neutral liquid crystal molecules of 4 ''-n-pentyl-4-p-cyanobiphenyl (5CB) and 4 ''-n-octyl-4-p-cyanobiphenyl (8CB) throughout the whole surface density range, but not in the 4-pentyl-4'-cyanoterphenyl (5CT) monolayer, at the air/water interface. This novel spectral feature suggests the existence of an oriented water cluster species which has penetrated or accommodated into the Langmuir monolayer of the 8CB and 5CB molecules. This finding provided a molecular level mechanism for the stark difference in the phase behaviour between the CB and CT insoluble Langmuir monolayers at the air/water interface. It also calls for attention to the details of the specific water-surface interaction in mediating the structure and the phase behaviour of the molecular assemblies at the heterogeneous aqueous interfaces.
语种英语
WOS记录号WOS:000262850600013
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141364
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Inst Chem, State Key Lab Mol React Dynam, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100864, Peoples R China
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Zhang, Zhen,Zheng, De-sheng,Guo, Yuan,et al. Water penetration/accommodation and phase behaviour of the neutral langmuir monolayer at the air/water interface probed with sum frequency generation vibrational spectroscopy (SFG-VS)[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2009,11(6):991-1002.
APA Zhang, Zhen,Zheng, De-sheng,Guo, Yuan,&Wang, Hong-fei.(2009).Water penetration/accommodation and phase behaviour of the neutral langmuir monolayer at the air/water interface probed with sum frequency generation vibrational spectroscopy (SFG-VS).PHYSICAL CHEMISTRY CHEMICAL PHYSICS,11(6),991-1002.
MLA Zhang, Zhen,et al."Water penetration/accommodation and phase behaviour of the neutral langmuir monolayer at the air/water interface probed with sum frequency generation vibrational spectroscopy (SFG-VS)".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 11.6(2009):991-1002.
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