一种新型介孔碳材料的合成与表征

采用具有较高水热稳定性、 较厚孔壁的介孔分子筛MTS-9为模板, 合成一种新型的介孔碳分子筛： C-MTS-9, 并通过X射线粉末衍射、 热重分析、 透射电镜和氮气吸附/脱附等方法对其进行表征. 结果表明, C-MTS-9分子筛具有较高的BET比表面, 孔径达到5 nm, 且孔分布比较均一; 电化学的循环伏安测量表明, C-MTS-9具有较好的电化学性质.

Synthesis and Characterization of Novel Mesoporous Carbon

A new type of mesoporous carbon (denoted as C-MTS-9) was synthesized with mesoporous titanosilicate MTS-9 as template. The template MTS-9 prepared from zeolite “seed solution” has some common structural characters including the thicker wall, the higher hydrothermal stability, disorder in some extent, zeolitelike connectivities in the wall. The mesoporous carbon sieve C-MTS-9 was investigated by XRD, TG, TEM, and N₂ adsorption/desorption techniques. The characteristic results show that the mesoporous carbon sieve C-MTS-9 has larger BET surface areas than conventional CMK-3. In addition, the mesoporous carbon sieveC-MTS-9 exhibits narrower pore size distribution. In particular, the mesoporous carbon sieve C-MTS-9 shows interesting electrochemical double layer capacitance (EDLC) behavior resulted from regular 3D interconnected mesopores.