Li Yongfeng, Su Jiaojiao, Li Guiping, Meng Xiufeng
New Energy Engineering, Shanxi Institute of Energy, Jinzhong 030600, China.
College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
Materials (Basel). 2020 Mar 3;13(5):1126. doi: 10.3390/ma13051126.
Super-microporous material (pore size 1-2 nm) can bridge the pore size gap between the zeolites (<1 nm) and the mesoporous oxides (>2 nm). A series of super-microporous titania-alumina materials has been successfully prepared via a facile one-pot evaporation-induced self-assembly (EISA) strategy by different solvents using fatty alcohol polyoxyethylene ether (AEO-7) as the template. Moreover, no extra acid or base is added in our synthesis process. When titanium isopropylate is used as the titanium source, these materials exhibit high BET surface areas (from 275 to 396 m/g) and pore volumes (from 0.14 to 0.18 cm/g). The sample prepared using methanol as the solvent shows the largest Brunauer-Emmett-Teller (BET) surface area of 396 m/g. When tetrabutyl titanate is used as the titanium source, these materials exhibit high BET surface areas (from 282 to 396 m/g) and pore volumes (from 0.13 to 0.18 cm/g). The sample prepared using ethanol as the solvent shows the largest BET surface area of 396 m/g.
超微孔材料（孔径为1 - 2纳米）能够弥合沸石（孔径<1纳米）和介孔氧化物（孔径>2纳米）之间的孔径差距。通过一种简便的一锅法蒸发诱导自组装（EISA）策略，以脂肪醇聚氧乙烯醚（AEO - 7）为模板，使用不同溶剂成功制备了一系列超微孔二氧化钛 - 氧化铝材料。此外，在我们的合成过程中未添加额外的酸或碱。当使用异丙醇钛作为钛源时，这些材料表现出较高的比表面积（275至396平方米/克）和孔体积（0.14至0.18立方厘米/克）。以甲醇作为溶剂制备的样品具有最大的布鲁诺尔 - 埃米特 - 泰勒（BET）比表面积，为396平方米/克。当使用钛酸四丁酯作为钛源时，这些材料表现出较高的比表面积（282至396平方米/克）和孔体积（0.13至0.18立方厘米/克）。以乙醇作为溶剂制备的样品具有最大的BET比表面积，为396平方米/克。
