Synthesis of ordered mesoporous carbons with tunable pore size by varying carbon precursors via soft-template method
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作者
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刊物名称
Microporous Mesoporous Mat.
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年、卷、文献号
2014, 197,
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关键词
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摘要
Ordered mesoporous carbons (OMCs) with tunable pore size in the range of 3.6-6.2 nm were prepared using the mixture of phenol, resorcinol and phloroglucinol as carbon precursor and triblock copolymer F127 as template via self-assembly method. The OMCs had ordered 2-D hexagonal mesostructure with high specific surface areas (up to 1100 m(2)/g) and pore volume (up to 0.84 cm(3)/g). Nitrogen sorption results demonstrated that the pore size of OMCs can be tuned by varying the composition of carbon precursors and the mass ratio of carbon precursor-to-F127. Systematic research revealed that increasing amount of resorcinol and phloroglucinol in carbon precursors resulted in carbons with larger pore size but less ordered mesostructure. Compared with resorcinol, phloroglucinol facilitated a larger mesopore, while led to a worse mesostructure. (C) 2014 Elsevier Inc. All rights reserved.