关键词: 一步法, 软模板, 铁, 有序介孔碳, 形成机理, One-pot, Soft-templating, Iron, Ordered Mesoporous Carbon, Mechanism, 一步法, 软模板, 铁, 有序介孔碳, 形成机理

Abstract: Ordered Fe-containing mesoporous carbon composite materials（Fe/OMC）have been synthesized via soft-templating routes by using triblock copolymer F127 as a template agent，resorcinol (R)-formaldehyde（F）as a carbon precursor，inorganic iron salts having complex reaction with phenols as a metal precursor in one-pot. The main strategy of this approach was to utilize the acidity self-generated from the hydrolysis of inorganic salts in the aqueous solutions as the catalyst for RF polymerization，where no addition of mineral acids was necessary. The resultant Fe/OMC materials were characterized by X-ray diffraction，Transmission electron microscopy. The influences of the aging time，the dosage of iron nitrate and the molar ratio of R/F on the structure of the obtained materials were investigated. Results show that the ordered mesoporous structure can be obtained under the synthetic condition of the aging time≥60 h，n(Fe)/n(R)=0.05—0.2，n(R)/n(F)=1/1.5—1/2.0. Moreover，a possible mechanism of the synthesis of Fe/OMC was proposed.

Key words: one-pot, soft-templating, iron, ordered mesoporous carbon, mechanism