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Controlling the primary particle evolution process towards silica monoliths with tunable hierarchical structure
Zhou Y.; Lin W.G.; Yang J.; Gao L.; Lin N.; Yang J.Y.; Hou Q.; Wang Y.; Zhu J.H.
2011-12-15
Source PublicationJournal of Colloid and Interface Science
ISSN00219797 10957103
Volume364Issue:2Pages:594-604
Abstract

In order to establish the hierarchical structure in multiple levels on mesoporous silica, this article reports a new strategy to prepare the monolith with the pore configuration in nanometer scale, micro-morphology in micrometer level and macroscopic shape in millimeter or larger grade. These hierarchical monoliths are synthesized in a weak acidic condition by using triblock copolymer P123, hydroxyl carboxylic acid and tetramethyl orthosilicate (TMOS), and the textural properties of the mesostructure can be facilely adjusted by simply controlling the synthesis condition without any additive. During the synthesis, the primary particles can be selectively synthesized as monodispersed sphere, noodle, prism, straight rods with different size or irregular bars, and their connection plus arrangement in 3D directions can be also regulated. Therefore, various textural properties of mesopore are able to be altered including pore size (5.5-10.6nm), total pore volume (0.48-1.2cmg), micropore surface area (47-334mg), and pore shape (from 2D or 3D straight channel to plugged channel). Moreover, these monoliths exhibit a considerable mechanical strength; they are also applied in eliminating particulate matters and tobacco special nitrosamines (TSNA) in tobacco smoke, exhibiting various morphology-assisted functions. © 2011 Elsevier Inc.

KeywordDelayed Reflecting Process Environment Protection Hierarchical Mesoporous Silica Monolith High Mechanical Strength Weak Acidic Synthesis Using Hydroxyl Carboxylic Acid
DOI10.1016/j.jcis.2011.08.061
URLView the original
Language英語English
WOS IDWOS:000296223500043
Scopus ID2-s2.0-80054692392
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Document TypeJournal article
CollectionUniversity of Macau
AffiliationNanjing University
Recommended Citation
GB/T 7714
Zhou Y.,Lin W.G.,Yang J.,et al. Controlling the primary particle evolution process towards silica monoliths with tunable hierarchical structure[J]. Journal of Colloid and Interface Science, 2011, 364(2), 594-604.
APA Zhou Y.., Lin W.G.., Yang J.., Gao L.., Lin N.., Yang J.Y.., Hou Q.., Wang Y.., & Zhu J.H. (2011). Controlling the primary particle evolution process towards silica monoliths with tunable hierarchical structure. Journal of Colloid and Interface Science, 364(2), 594-604.
MLA Zhou Y.,et al."Controlling the primary particle evolution process towards silica monoliths with tunable hierarchical structure".Journal of Colloid and Interface Science 364.2(2011):594-604.
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