引用本文:
杨钧, 彭笑刚, 张岩, 李铁津. α-Fe2O3纳米微粒/硬脂酸交替L-B膜的结构表征[J]. 物理化学学报,
1993, 9(04): 553-555.
doi:
10.3866/PKU.WHXB19930424
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
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
α-Fe2O3纳米微粒/硬脂酸交替L-B膜的结构表征
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关键词:
- 纳米微粒; α-Fe2O3; LB膜
English
Structure Study on Nanoparticulate α-Fe2O3 Stearate Alternating Langmuir-Blodgett Films Using Ftir Spectra
Abstract:
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.
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Key words:
- Nano-meter particle; α-Fe2O3; LB film
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