Determination of molecular orientations in Langmuir-Blodgett films by polarized Fourier transform IR attenuated total reflection and transmission spectroscopy
โ Scribed by Dong June Ahn; Elias I. Franses
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 639 KB
- Volume
- 244
- Category
- Article
- ISSN
- 0040-6090
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Fourier transform infrared-attenuated total reflection (FTIR-ATR) spectra have been recorded of 11-layer Langmuir-Blodgett (LB) films of stearic acid deposited at various surface pressures (0.1, 15, and 35 mN/m), and the molecular orientation angles were evaluated quantitatively, which supplied insi
Attenuated total reflection-infrared (ATR-IR) spectroscopy and wide-angle x-ray diffraction (WAXD) were used to determine the macromolecular orientation of a series of six uniaxially oriented polypropylene sheets with elongations of 0% to 500%. The orientation functions were expressed as fractions o