氟氮掺杂的有序介孔碳材料合成实验研究
发布时间：2019-05-27 18:17
【摘要】：采用硬模板法,使用价格低廉的间苯二酚作为炭前驱体,采用氟化铵作为氟氮来源,合成氟氮掺杂的有序介孔碳(F-N-OMC)。在1 000℃时制备的氟氮掺杂的有序介孔碳材料中,大量的氟氮原子(F原子数分数为0.35%,N为2.25%)均匀注入到高表面积的石墨化碳基体(671.3cm~2/g)和有序介孔通道内(6.2nm)。碳骨架内的氟氮原子的合成效果可以显著地极化相邻碳原子,并推动由缺陷引发的氧还原反应活性部位的形成。这将有助于氧还原反应性能的提高,因此氟氮掺杂的介孔碳材料有望成为高效的氧还原反应催化剂。
[Abstract]:Ordered mesoporous carbon (F-N-OMC) doped with fluorine and nitrogen was synthesized by hard template method using resorcinol as carbon precursor and ammonium fluoride as source of fluorine and nitrogen. In the ordered mesoporous carbon materials with fluorine and nitrogen doping prepared at 1000 鈩，
本文编号：2486374
[Abstract]:Ordered mesoporous carbon (F-N-OMC) doped with fluorine and nitrogen was synthesized by hard template method using resorcinol as carbon precursor and ammonium fluoride as source of fluorine and nitrogen. In the ordered mesoporous carbon materials with fluorine and nitrogen doping prepared at 1000 鈩，
本文编号：2486374
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