FT-Raman and FTIR spectroscopic studies of N-octadecanoyl-L-alanine amphiphiles.
FTIR spectroscopy is used to compare the difference in molecular structure between Langmuir-Blodgett (LB) films (transferred at the surface pressure 40 mN/m with the vertical method and 0 mN/m with the horizontal method) and bulk sample of N-Octadecanoyl-L-alanine amphiphiles. The bulk sample possesses a very similar microstructure (intermolecular hydrogen-bonding interaction and triclinic chain packing) to the well-ordered LB films. Much information on molecular structure of the bulk sample is obtained using FT-Raman spectroscopy, and several weak Raman scattering peaks are assigned.
Du
Xuezhong
X
Laboratory of Mesoscopic Materials Science, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, China. duxz2000@yahoo.con
Liang
Yingqiu
Y
D000409:Alanine / Q000737:chemistry*; D007834:Lasers; D009040:Motion Pictures; D011487:Protein Conformation; D012542:Scattering, Radiation; D017550:Spectroscopy, Fourier Transform Infrared / Q000379:methods*; D013059:Spectrum Analysis, Raman / Q000379:methods*; D013228:Stearates / Q000737:chemistry*
D013228:Stearates; D000409:Alanine