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Ordered mesoporous carbon as a novel class of porous material, not only has a high specific surface area, pore size uniform, but also has good hydrothermal stability, good electrical conductivity, hydrophobicity and a high mechanical strength and other characteristics, in adsorption separation, catalyst support and energy storage / conversion has broad application prospects, caused widespread concern. Especially those containing ordered mesoporous carbon, carbon-coated effect of the magnetic particles of iron, cobalt, nickel, etc. can be used for protecting the magnetic particles from environmental erosion, such materials may be applied in areas such as magnetic separation. This thesis is explored different reaction conditions, this soft template route Synthesis of Ordered Mesoporous Carbon composite impact, thereby preparing a highly uniform nanoparticles dispersed ordered mesoporous carbon / nano-nickel composite materials, and investigated their magnetic . Triblock copolymer (F127, the EO 106 PO 70 the EO 106 ) as template, resorcinol (R) - formaldehyde (F) the sol (RF sol) is a carbon precursor, Ni (NO 3 ) 2 · 6H 2 O in the alkali metal source, conditions by solvent evaporation-induced self-assembly method was prepared F127/RF / [Ni (H 2 O) 6 ] (NO 3 The) 2 , a three-dimensional cubic structure (Im3m) the OMC / Ni magnetic materials carbonization directly. Using XRD, TEM, TGA, N 2 absorption / desorption by means of in-depth characterization of the materials obtained. Nickel addition and the carbonization temperature of the ordered structure, the mechanism of the formation of ordered structures. The results show that the the surfactant PEO segment [Ni (H 2 O) 6 ] 2 the metal hydrate hydrogen bonding of ordered skeleton sustain plays a key role. Nano nickel particles evenly dispersed in the mesoporous carbon, nickel particle size calculated by Scherrer formula with elevated nickel content and carbonization temperature (400-1000 ℃) increases, ranging from 19 to 27nm . After carbonization of 700 ° C, the nickel content is 12% of the samples of specific surface area of ??309 m 2 / g, pore volume 0.19 cm 3 / g, a pore distribution concentrated in 3.52 nm. Further, with the increase of the nickel content and the carbonization temperature, the saturation magnetization and remanence of the composite material has increased. The composite material having the magnetic characteristics of the soft iron and excellent acid resistance, suitable for use in the field of magnetic separation.
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