Local Environment and Interactions of Liquid and Solid Interfaces Revealed by Spectral Line Shape of Surface Selective Nonlinear Vibrational Probe
Chen, SL (Chen, Shun-Li); Fu, L (Fu, Li); Chase, ZA (Chase, Zizwe A.); Gan, W (Gan, Wei); Wang, HF (Wang, Hong-Fei)
2016
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume120Issue:44Pages:25511-25518
Abstract

Vibrational spectral line shape contains important detailed information on SF molecular vibration and reports its specific interactions and couplings to its local environment. In this work, recently developed sub-1 cm(-1) high-resolution broadband sum frequency generation vibrational spectroscopy (HR-BB-SFG-VS) was used to measure the-C IN stretch vibration in the 4-n-octyl-4'-cyanobiphenyl (8CB) Langmuir or Langmuir-Blodgett (LB) monolayer as a unique vibrational probe, and the spectral line shape analysis revealed the local environment and interactions at the air/water, air/glass, air/calcium fluoride, and air/alpha-quartz interfaces for the first time. The 8CB Langmuir or LB film is uniform, and the vibrational spectral line shape of its-C N group has been well characterized, making it a good choice as the surface vibrational probe. Line shape analysis of the 8CB-C N stretch SFG vibrational spectra suggests the coherent vibrational dynamics and the structural and dynamic inhomogeneity of the-C N group at each interface are uniquely different. In addition, it is also found that there are significantly different roles for water molecules in the LB films on different substrate surfaces. These results demonstrated the novel capabilities of the surface nonlinear spectroscopy in characterization and in, understanding the specific structures and chemical interactions at the liquid and solid interfaces in general.

Indexed BySCI
WOS IDWOS:000387737900038
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Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4627
Collection中国科学院特殊环境功能材料与器件重点试验室
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Key Lab Funct Mat & Devices Special Environm, Lab Environm Sci & Technol, 40-1 South Beijing Rd, Urumqi 830011, Xinjiang, Peoples R China
2.Pacific Northwest Natl Lab, William R Wiley Environm Mol Sci Lab, Richland, WA 99352 USA
3.Pacific Northwest Natl Lab, Inst Integrated Catalysis, Richland, WA 99352 USA
4.Pacific Northwest Natl Lab, Phys Sci Div, Phys & Computat Sci Directorate, Richland, WA 99352 USA
5.Washington State Univ, Sch Chem & Biol Engn, Pullman, WA 99364 USA
6.Harbin Inst Technol, Shenzhen Grad Sch, Dept Nat Sci & Humanities, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Chen, SL ,Fu, L ,Chase, ZA ,et al. Local Environment and Interactions of Liquid and Solid Interfaces Revealed by Spectral Line Shape of Surface Selective Nonlinear Vibrational Probe[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2016,120(44):25511-25518.
APA Chen, SL ,Fu, L ,Chase, ZA ,Gan, W ,&Wang, HF .(2016).Local Environment and Interactions of Liquid and Solid Interfaces Revealed by Spectral Line Shape of Surface Selective Nonlinear Vibrational Probe.JOURNAL OF PHYSICAL CHEMISTRY C,120(44),25511-25518.
MLA Chen, SL ,et al."Local Environment and Interactions of Liquid and Solid Interfaces Revealed by Spectral Line Shape of Surface Selective Nonlinear Vibrational Probe".JOURNAL OF PHYSICAL CHEMISTRY C 120.44(2016):25511-25518.
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