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Citation: Yang Jun, Peng Xiao-Gang, Zhang Yan, Li Tie-Jin. Structure Study on Nanoparticulate α-Fe₂O₃ Stearate Alternating Langmuir-Blodgett Films Using Ftir Spectra[J]. Acta Physico-Chimica Sinica, ;1993, 9(04): 553-555. doi: 10.3866/PKU.WHXB19930424 shu

Structure Study on Nanoparticulate α-Fe₂O₃ Stearate Alternating Langmuir-Blodgett Films Using Ftir Spectra

1.
Institute of Atomic and Molecular Physics, Department of Chemistry, Jilin University, Changchun 130023

Received Date: 20 March 1992
Available Online: 15 August 1993

We reported in this paper FTIR linear diehroic spectroscopy and anisotropic properties of the nanoparticulate α-Fe_2O_3-stearate alternating Langmuir-Blodgett films (Fe_2O_3-St LB films) a new inorganic-organic quantum superlattice system. A new method fitted to inorganic-organic alternating films is used to study the molecular orientation and discuss the order arrangement of the nanopartieles in the films. The the results show that a configuration of stearate ions bound to the surface of the nano-particles: COO~- group are spherically bound to the surface of the nanoparticles; the hydrocarbon chains are almost perpendicular (31°±5°) to the substrate (7 nm-Fe_2O_3-St LB films). The orientation of hydrocarbon chains and CH_2 scissors vibration show the existence of trans-zigzag planar structure for C—C broken bone of the hy7drocarbon chains, which is related to high-order structure of the alternate films.
- Nano-meter particle; α-Fe₂O₃; LB film
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Structure Study on Nanoparticulate α-Fe2O3 Stearate Alternating Langmuir-Blodgett Films Using Ftir Spectra

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通讯作者: 陈斌, bchen63@163.com

Structure Study on Nanoparticulate α-Fe₂O₃ Stearate Alternating Langmuir-Blodgett Films Using Ftir Spectra