Hydrothermally stable restructured mesoporous silica

R Mokaya - Chemical Communications, 2001 - pubs.rsc.org
Hydrothermally stable restructured mesoporous silica - Chemical Communications (RSC
Publishing) DOI:10.1039/B101665M Royal Society of Chemistry View PDF VersionPrevious …

High temperature synthesis of exceptionally stable pure silica MCM-41 and stabilisation of calcined mesoporous silicas via refluxing in water

W Sangchoom, R Mokaya - Journal of Materials Chemistry, 2012 - pubs.rsc.org
The influence of high temperature synthesis of MCM-41 on structural ordering, textural
properties and stability has been investigated. Increasing the crystallization temperature …

A simple room temperature synthesis of MCM-41 with enhanced thermal and hydrothermal stability

HM Mody, S Kannan, HC Bajaj, V Manu… - Journal of Porous …, 2008 - Springer
Highly ordered mesoporous silica samples were synthesized in less than 3 h using a simple
synthesis methodology at room temperature with surfactant to silica ratio 0.1, using sodium …

Synthesis and characterization of a hexagonal mesoporous silica with enhanced thermal and hydrothermal stabilities

ZA AlOthman, AW Apblett - Applied surface science, 2010 - Elsevier
A synthetic route was developed for a novel hexagonal mesoporous silica that has
remarkably wide channel diameters and thick walls. The procedure involved the acid …

Improving the stability of mesoporous MCM-41 silica via thicker more highly condensed pore walls

R Mokaya - The Journal of Physical Chemistry B, 1999 - ACS Publications
Thicker-walled mesoporous MCM-41 silicas with improved thermal and hydrothermal
stability were prepared via secondary crystallization (in which calcined MCM-41 was used …

Synthesis and characterization of mesoporous MCM-41 silica with thick wall and high hydrothermal stability under mild base solution

CF Cheng, PW Cheng, SH Chou, HH Cheng… - Studies in surface …, 2007 - Elsevier
Siliceous MCM-41 mesoporous materials with wall thickness up to 36 Å could be prepared
at 165° C for 7 days under mild basic solution. More than 85% of surface area for these …

Hydrothermal stability of SBA-15 and related ordered mesoporous silicas with plugged pores

EB Celer, M Kruk, Y Zuzek, M Jaroniec - Journal of Materials Chemistry, 2006 - pubs.rsc.org
Ordered mesoporous silicas, including SBA-15 and related plugged materials, were
synthesized under acidic conditions using Pluronic P123 poly (ethylene oxide)–poly …

Steam stable mesoporous silica MCM-41 stabilized by trace amounts of Al

JT Tompkins, R Mokaya - ACS applied materials & interfaces, 2014 - ACS Publications
Evaluation of low and ultralow Al content (Si/Al between 50 and 412) aluminosilicate Al-
MCM-41 materials synthesized via three contrasting alumination routes, namely, direct …

Thermal stability of mesoporous silica molecular sieve

G Gu, PP Ong, C Chu - Journal of Physics and Chemistry of Solids, 1999 - Elsevier
Mesoporous silica molecular sieves (MCM-41) with pore diameters from 3 to 10nm were
synthesized by a liquid-crystal template mechanism. A surface phonon mode at around …

Stepwise functionalization of mesoporous crystalline silica materials

M Park, S Komarneni - Microporous and mesoporous materials, 1998 - Elsevier
Novel properties have been achieved in mesoporous crystalline silica materials by organic
functionalization. In this study, localized functionalization and bifunctionalization of silica …