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Dilute Solution Routes to Various Controllable Morphologies of MCM-41 Silica with a Basic Medium

Cai, Qiang, Luo, Zhong-Sheng, Pang, Wen-Qin, Fan, Yu-Wei, Chen, Xi-Hua, Cui, Fu-Zhai·2001·Chemistry of Materials

Abstract

MCM-41 silica particles with several morphologies have been controllably synthesized with a basic medium. Nanospherical MCM-41 silica with an average size of 110 nm was produced through reaction of extremely low surfactant concentrations of CTAB with TEOS in the sodium hydroxide medium at 353 K, while a submicrometer-sized silica rod, 0.3−0.6 μm in diameter and 1 μm in length, and micrometer-sized oblate silica with nominal diameter around 1 μm were synthesized in aqueous ammonia, where the size and the morphology were controlled by varing the content of the solvent. A morphogenetic mechanism that is based on the deposition of self-assembled silicate surfactant rodlike micelles is proposed and explains well the controllability of the morphology.

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Metadata

Authors
Cai, Q., Luo, Z.-S., Pang, W.-Q., Fan, Y.-W., Chen, X.-H., & Cui, F.-Z.
Venue
Chemistry of Materials
Published
2001-01-06
Volume
13
Issue
2
Pages
258-263
ISSN
  • 0897-4756 (ISSN-L)
  • 1520-5002
OpenAlex
W2042109441
Cited by
679
References
0
FWCI
5.12
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Dilute Solution Routes to Various Controllable Morphologies of MCM-41 Silica with a Basic Medium. https://app.cochat.ai/papers/10.1021/cm990661z
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Cai, Q., Luo, Z.-S., Pang, W.-Q., Fan, Y.-W., Chen, X.-H., & Cui, F.-Z. (2001). Dilute Solution Routes to Various Controllable Morphologies of MCM-41 Silica with a Basic Medium. Chemistry of Materials. https://doi.org/10.1021/cm990661z

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