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The discovery of mesoporous molecular sieves from the twenty year perspective

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TLDR
By the combination of prior knowledge, observation skills, and novel synthetic approaches, a family of mesoporous molecular sieves including discrete structures - MCM-41 (hexagonal),MCM-48 (cubic), and MCM -50 (lamellar) are discovered, formed unlike that of classical microporous structures involving reagent induced-macromolecular templating mechanism.
Abstract
By the combination of prior knowledge, observation skills, and novel synthetic approaches, we discovered a family of mesoporous molecular sieves including discrete structures – MCM-41 (hexagonal), MCM-48 (cubic), and MCM-50 (lamellar). These materials were formed unlike that of our classical microporous structures involving reagent induced-macromolecular templating mechanism. Based on synthetic data and working with others, we were able to establish a predictive mechanism of formation and identify a broad class of templating reagents. These initial findings generated great interest and effort worldwide. It resulted in tremendous expansion of knowledge and skills with many new additional discoveries that established a new area of ordered mesoporous materials. They are integrated with zeolites (microporous materials) and based on surfactant inorganic chemistry.

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Citations
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Two-dimensional zeolites: current status and perspectives.

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Physical adsorption characterization of nanoporous materials: progress and challenges

TL;DR: In this article, the authors discuss important aspects of major underlying mechanisms associated with adsorption, pore condensation and hysteresis behavior in nanoporous solids and discuss selected examples of state-of-the-art pore size characterization.
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Mesoporous materials for clean energy technologies

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Advances in porous and nanoscale catalysts for viable biomass conversion.

TL;DR: A timely and comprehensive review of the recent advances in catalytic biomass conversions over microporous zeolites, mesoporous silicas, and nanostructured metals/metal oxides, along with a systematic evaluation of catalyst reusability/kinetic/mechanistic aspects in the relevant processes.
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Super Moisture-Absorbent Gels for All-Weather Atmospheric Water Harvesting.

TL;DR: The synergistic effect enabled by the molecular level integration of hygroscopic and hydrophilicity-switchable polymers in a network architecture presents controllable interaction between the gel and water molecules, simultaneously realizing efficient vapor capturing, in situ water liquefaction, high-density water storage and fast water releasing under different weather conditions.
References
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Journal ArticleDOI

Ordered mesoporous molecular sieves synthesized by a liquid-crystal template mechanism

TL;DR: In this paper, the synthesis of mesoporous inorganic solids from calcination of aluminosilicate gels in the presence of surfactants is described, in which the silicate material forms inorganic walls between ordered surfactant micelles.
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A new family of mesoporous molecular sieves prepared with liquid crystal templates

TL;DR: In this paper, the synthesis, characterization, and proposed mechanism of formation of a new family of silicatelaluminosilicate mesoporous molecular sieves designated as M41S is described.
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Stable single-unit-cell nanosheets of zeolite MFI as active and long-lived catalysts

TL;DR: It is shown that appropriately designed bifunctional surfactants can direct the formation of zeolite structures on the mesoporous and microporous length scales simultaneously and thus yield MFI (ZSM-5, one of the most important catalysts in the petrochemical industry) zeolites that are only 2 nm thick, which corresponds to the b-axis dimension of a single MFI unit cell.
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Titanium-containing mesoporous molecular sieves for catalytic oxidation of aromatic compounds

TL;DR: The use of the templating approach to synthesize mesoporous silica-based molecular sieves partly substituted with titanium—large-pore analogues of titanium silicalite find that these materials show selective catalytic activity towards the oxidation of 2,6-ditert-butyl phenol to the corresponding quinone and the conversion of benzene to phenol.
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