Wang Kaixuan, Niu Helin, Chen Jingshuai, Song Jiming, Mao Changjie, Zhang Shengyi, Zheng Saijing, Liu Baizhan, Chen Changle
Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China.
Key Laboratory of Cigarette Smoke Research of China National Tobacco Corporation, Shanghai 200082, China.
Materials (Basel). 2016 Apr 29;9(5):326. doi: 10.3390/ma9050326.
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), N₂ 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).
一种以CeCO₃OH@C为模板的简便且环境友好的表面离子吸附方法被用于合成CeO₂-LaFeO₃钙钛矿复合材料。通过X射线衍射（XRD）、傅里叶变换红外光谱（FT-IR）、场发射扫描电子显微镜（FE-SEM）、透射电子显微镜（TEM）、热重分析和差示扫描量热法（TG-DSC）、N₂吸附/脱附等温线以及X射线光电子能谱（XPS）测量对所得复合材料进行了表征。测试了CeO₂-LaFeO₃复合材料对亚硝胺4-(甲基亚硝氨基)-1-(3-吡啶基)-1-丁酮（NNK）的催化降解，以评估其催化活性。与CeO₂和LaFeO₃相比，CeO₂-LaFeO₃复合材料表现出更好的活性。这些结果表明，钙钛矿复合材料是降解烟草特有亚硝胺（TSNAs）的有前途的候选材料。
