Size control of SBA-15 by tuning the stirring speed for the formation of CMK-3 with distinct adsorption performance

Controlling the size of SBA-15 can be beneficial for exploiting CMK-3, which has excellent structural parameters, for better performance in adsorption and/or catalytic processes. In this study, the width of freestanding SBA-15 rods was readily and successfully regulated by simply altering the stirri...

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Bibliographic Details
Published in:Nano research 2016-08, Vol.9 (8), p.2294-2302
Main Authors: Wang, Qi, Wang, Zhencai, Zheng, Tianhao, Zhou, Xiongping, Chen, Wei, Ma, Dekun, Yang, Yun, Huang, Shaoming
Format: Article
Language:English
Subjects:
Adsorption
Atomic/Molecular Structure and Spectra
Biomedicine
Biotechnology
Carbon
Catalysis
Chemistry and Materials Science
Condensed Matter Physics
Materials Science
Nanotechnology
Purification
Reproduction
Research Article
Rods
Stirring
Surface chemistry
Tuning
Water purification
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Summary:Controlling the size of SBA-15 can be beneficial for exploiting CMK-3, which has excellent structural parameters, for better performance in adsorption and/or catalytic processes. In this study, the width of freestanding SBA-15 rods was readily and successfully regulated by simply altering the stirring power during the synthesis. A higher stirring rate produced SBA-15 rods with larger width. Then, the size of the CMK-3 rods was adjusted by duplication of the different- sized SBA-15. The results show that the larger sized CMK-3 has higher specific surface area and pore volume, which led to a higher adsorption capacity and a faster adsorption rate. It is believed that the synthetic method reported here is powerful for developing better mesoporous carbon for application in water purification and catalysis.
ISSN:1998-0124
1998-0000
DOI:10.1007/s12274-016-1116-8