Template Synthesis of Three-Dimensional Cubic Ordered Mesoporous Carbon With Tunable Pore Sizes |
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| Authors: | Weijie Dai Mingbo Zheng Yu Zhao Shutian Liao Guangbin Ji Jieming Cao |
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| Affiliation: | (1) Nanomaterials Research Institute, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, 210016 Nanjing, People’s Republic of China;(2) Key Laboratory of Mesoscopic Chemistry of MOE and Jiangsu Provincial Laboratory for Nano Technology, Department of Chemistry, Nanjing University, 210093 Nanjing, People’s Republic of China; |
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| Abstract: | Three-dimensional cubic ordered mesoporous carbons with tunable pore sizes have been synthesized by using cubic Ia3d mesoporous KIT-6 silica as the hard template and boric acid as the pore expanding agent. The prepared ordered mesoporous
carbons were characterized by powder X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and
nitrogen adsorption–desorption analysis. The results show that the pore sizes of the prepared ordered mesoporous carbons with
three-dimensional cubic structure can be regulated in the range of 3.9–9.4 nm. A simplified model was proposed to analyze
the tailored pore sizes of the prepared ordered mesoporous carbons on the basis of the structural parameters of the silica
template. |
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| Keywords: | Template synthesis Mesoporous carbon Mesoporous silica Pore size control KIT-6 |
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