Lh. Huo et al., Preparation, structure, and properties of three-dimensional ordered alpha-Fe2O3 nanoparticulate film, CHEM MATER, 12(3), 2000, pp. 790-794
alpha-Fe2O3 nanoparticulate films could be formed on the surface of alpha-F
e2O3 hydrosol after aging of the hydrosol or by compressing of the nanopart
icles on the sol surface, in. which a three-dimensional ordered structure w
as constructed by the Langmuir-Blodgett; technique and colloid chemical met
hods. The structure of the LB film was characterized by AFM, TEM, XPS, and
UV-vis spectra and small-angle X-ray diffraction. Gas-sensing measurement s
hows that the LB film has good sensitivity to alcohols at room temperature,