催化中的气凝胶

IF 9.3 2区化学 Q1 CHEMISTRY, PHYSICAL Catalysis Reviews-Science and Engineering Pub Date : 1995-11-01 DOI:10.1080/01614949508006450

M. Schneider, A. Baiker

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引用次数: 191

摘要

气凝胶由于其独特的形态和化学性质为催化提供了有趣的机会。这些特性源于溶液-溶胶-凝胶(SSG)方法的湿化学制备，以及随后通过临界点干燥或超临界(或超临界)干燥(SCD)从溶剂中解放出来。由于SCD的“结构保持”能力，通常氧化(或金属)气凝胶是高孔隙率和比表面积的固体。

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Aerogels in catalysis

Introduction Aerogels offer interesting opportunities for catalysis due to their unique morphological and chemical properties. These properties originate from their wet-chemical preparation by the solution-sol-gel (SSG) method and their subsequent liberation from the solvent via critical-point drying or supercritical (or hypercritical) drying (SCD). Due to the “structure-preserving” ability of SCD, the usually oxidic (or metallic) aerogels are solids of high porosity and specific surface area.

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来源期刊

Catalysis Reviews-Science and Engineering 化学-物理化学

CiteScore

22.30

自引率

2.80%

发文量

期刊介绍： Catalysis Reviews is dedicated to fostering interdisciplinary perspectives in catalytic science and engineering, catering to a global audience of industrial and academic researchers. This journal serves as a bridge between the realms of heterogeneous, homogeneous, and bio-catalysis, providing a crucial and critical evaluation of the current state of catalytic science and engineering. Published topics encompass advances in technology and theory, engineering and chemical aspects of catalytic reactions, reactor design, computer models, analytical tools, and statistical evaluations.