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Citation: Ding Han-Ming, Wang Hai-Shui, Cui Hai-Ning, Xi Shi-Quan. Study of Molecular Orientation in Langmuir-Blodgett Films by FTIR[J]. Acta Physico-Chimica Sinica, ;1998, 14(05): 472-476. doi: 10.3866/PKU.WHXB19980518 shu

Study of Molecular Orientation in Langmuir-Blodgett Films by FTIR

1.
Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022

Received Date: 18 August 1997
Available Online: 15 May 1998

The structure information of orientation and packing of molecular chains can be obtained from infrared transmission and reflection-absorbance (RA) spectra. In the present paper, on the basis of Umemura et al., their FORTRAN program of minicomputer was developed and can be run on 486 personal computer. By comparison of infrared transmission and RA intensities, surface enhancement factors and molecular orientation angle were calculated using the above program, and the influence of complex refractive index, angle of incidence, and thickness of LB film were discussed. These results are consistent with that of Umemura et al.
- Infrared spectrum,
- LB film,
- Molecular orientation
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