Synthesis of Ordered Mesoporous Carbons Using Resorcinol-Formaldehyde Sol as the Carbon Source and As-synthesized MCM-48 as the Template

Chong-Qing Wang, Jun Song, Jianfeng Yao, Qing Li, Li-Xiong Zhang, Xiao-Qin Liu, Xian-Cai Lu

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Ordered mesoporous carbons were synthesized by using as-synthesized MCM-48 as the template and resorcinol (R)-formaldehyde sol as the carbon precursor. By changing the molar ratio of resorcinol (R) to template (w(R)/w(MCM-48)) and resorcinol (R) to water(w(R)/w(H2O)), mesoporous carbons with different porosities were produced. The obtained samples were characterized by N2 adsorption-desorption, X-ray diffraction, scanning electron microscopye, transmission electron microscopye and thermogravimetric analysis. It is found that the optimized w(R)/w(MCM-48) and w(R)/w(H2O) ratios are in the rang from 0.50 to 0.65 and from 0.15 to 0.35, respectively, and the resulting ordered mesoporous carbons has BET specific surface areas greater than 1125m2/g, mean pore sizes from 2.2 to 2.4nm, and high thermal stability.
Original languageEnglish
Pages (from-to)23 - 28
Number of pages6
JournalWuji Cailiao Xuebao/Journal of Inorganic Materials
Issue number1
Publication statusPublished - 2009
Externally publishedYes

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