期刊
MATERIALS
卷 9, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/ma9050326
关键词
CeO2-LaFeO3; NNK; degradation; perovskite
类别
资金
- Key Laboratory of Cigarette Smoke Research of China National Tobacco Corporation [CF-ZJ2]
- National Natural Science Foundation of China [21471001, 21275006, 21575001]
- Key Project of Anhui Provincial Education Department [KJ2013A029]
- Natural Science Foundation of Anhui Province [1508085MB32]
A facile and environmentally friendly surface-ion adsorption method using CeCO3OH@C as template was demonstrated to synthesize CeO2-LaFeO3 perovskite composite material. The obtained composite was characterized by X-ray diffraction (XRD), fourier transform infrared spectra (FT-IR), field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), thermo-gravimetric analysis and differential scanning calorimetry (TG-DSC), N-2 adsorption/desorption isotherms and X-ray photoelectron spectra (XPS) measurements. The catalytic degradation of nitrosamine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) was tested to evaluate catalytic activity of the CeO2-LaFeO3 composite. Much better activity was observed for the CeO2-LaFeO3 composite comparing with CeO2 and LaFeO3. These results suggested that perovskite composite materials are a promising candidate for the degradation of tobacco-specific nitrosamines (TSNAs).
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