论文部分内容阅读
以溶剂挥发诱导有机-有机自组装法制备了有序介孔碳-石墨烯(OMC-RGO)复合材料。结果表明:当焙烧温度为800℃时,所得的OMC-RGO复合材料与OMC相比,其电导率从0.76S/m增加到32.5S/m,提高到42.8倍;但BET比表面积和孔容分别从670m2/g和0.40cm3/g下降到361m2/g和0.23cm3/g,降低的比率分别为46.1%和42.5%。随后,我们以OMC-RGO为载体,通过物理吸附制备了有序介孔碳-石墨烯-银纳米粒子(OMC-RGO-Ag)复合材料。结果表明:OMC-RGO表面上Ag纳米粒子的粒径在20～40nm之间;且OMC与RGO复合后,RGO表面上的含氧官能团有利于吸附较多的Ag纳米粒子。
Ordered mesoporous carbon-graphene (OMC-RGO) composites were prepared by organic-organic self-assembly with solvent evaporation. The results show that the electrical conductivity of OMC-RGO composites increases from 0.76 S / m to 32.5 S / m and increases to 42.8 times when the calcination temperature is 800 ℃. However, the BET specific surface area and pore volume Decreased from 670m2 / g and 0.40cm3 / g to 361m2 / g and 0.23cm3 / g respectively, with the reduction rates being 46.1% and 42.5%, respectively. Subsequently, we prepared ordered mesoporous carbon-graphene-silver nanoparticles (OMC-RGO-Ag) composites by physical adsorption using OMC-RGO as carrier. The results showed that the size of Ag nanoparticles on the surface of OMC-RGO was between 20 and 40 nm. OMC and RGO complexed the oxygen-containing functional groups on the surface of RGO to adsorb more Ag nanoparticles.