Direct fabrication of bimodal mesoporous carbon by nanocasting
Direct fabrication of bimodal mesoporous carbon by nanocasting
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纳米铸造直接制备双峰介孔碳
DOI:
10.1016/j.micromeso.2008.03.018
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发表时间:
2008-12
影响因子:
5.2
通讯作者:
中科院分区:
文献类型:
--
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Bimodal mesoporous carbons were successfully prepared by a simple one-step templating method. The template of large mesopores in our method is the in situ formed silica nano-agglomerate from the drying-induced collapse of superfluous silica frameworks. Moreover, the diameter of large mesopores can be easily tailored by the ratio of methylated β-cyclodextrin to tetramethyl orthosilicate (CD/TMOS), increasing with decreasing the CD/TMOS. The typical bimodal mesoporous carbons with 2.4nm and ca. 24nm diameter mesopores have great Brunauer–Emmett–Teller surface areas (e.g. 783m2/g) and large mesopore volumes (e.g. 2.18cm3/g).
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