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啤酒废酵母为模板仿生合成介孔SiO2
作者:刘朋程 张旭东 何文 卜凡晴 刘金华 姜倩 姜久昌 
单位:山东轻工业学院材料科学与工程学院 济南 250353 
关键词:二氧化硅 介孔材料 仿生合成 啤酒废酵母 
分类号:TB321
出版年,卷(期):页码:2010,38(12):2361-2365
DOI:
摘要:

以啤酒废酵母为模板剂,采用沉淀法仿生合成具有介孔结构的SiO2材料。通过透射电镜(transmission electron microscopy,TEM)观察到SiO2的介孔结构。Brunauer–Emmett–Teller (BET)模型证明了介孔结构的存在,且样品的比表面积为244.98~339.16 m2/g,平均孔径范围为4.32~8.04 nm。用红外光谱分析仪对样品的成分和化学键进行分析,利用TEM和BET法研究废酵母用量对实验结果的影响。这种方法能够实现废物再利用,并能降低产品成本。

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Mesoporous SiO2 with uniform morphology is synthesized via a precipitation method using waste beer yeast as a template. The mesoporous structure of SiO2 is characterized by the transmission electron microscopy (TEM). The Brunauer–Emmett–Teller (BET) model reveals the existence of the mesostructure of samples with a specific surface area of 244.98–339.16 m2/g and an average pore size distribution of 4.32–8.04 nm. Chemical bonds between inorganic nanoparticles and biomolecules are revealed by the Fourier transform infrared spectroscopy. Effect of waste yeast amount on structure morphology is explored by the TEM and BET. The method allows the utilization of waste and reduces production costs.

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基金项目:
山东省自然科学基金(Y2008F39,Y2008F08)资助项目
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参考文献:

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