Abstract
Crack-free monolithic mesoporous carbon with worm-like structure has been synthesized by low-temperature autoclaving that use triblock copolymer F127 or P123 as composite template, and resorcinol-formaldehyde resol as carbon precursor. The effects of the composite template ratio on the structure of mesoporous carbon were studied by transmission electron microscopy, nitrogen adsorption measurements and element analysis. The results indicated that mesoporous carbon are worm-like structure when use F127/P123 as composite template. Compared mesoporous carbon synthesized by a single template, the pore size distribution of the mesoporous carbon synthesized by the composite template are directly affected by the molar ratio of P123 in the composite templates, however, the pore size is significantly enlarged when using F127/P123 as template. The pore size of mesoporous carbon increased to 12.0nm when the molar ratio of P123 in the composite templates is 67%. We achieved adjustable pore diameter by use F127/P123 changing the molar ratio of P123 in the composite templates.
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