Heterogeneous catalysis: Enigmas, illusions, challenges, realities, and emergent strategies of design
- 12 May 2008
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 128 (18), 182502
- https://doi.org/10.1063/1.2832309
Abstract
Predominantly this article deals with the question of how to design new solid catalysts for a variety of industrial and laboratory-orientated purposes. A generally applicable strategy, illustrated by numerous examples, is made possible based on the use of nanoporous materials on to the (high-area) inner surfaces of which well-defined (experimentally and computationally) active centers are placed in a spatially separated fashion. Such single-site catalysts, which have much in common with metal-centered homogenous catalysts and enzymes, enable a wide range of new catalysts to be designed for a variety of selective oxidations, hydrogenations, hydrations and hydrodewaxing, and other reactions that the "greening" of industrial processes demand. Examples are given of new shape-selective, regio-selective, and enantioselective catalysts, many of which operate under mild, environmentally benign conditions. Also considered are some of the reasons why detailed studies of adsorption and stoichiometric reactions at single-crystal surfaces have, disappointingly, not hitherto paved the way to the design and production of many new heterogeneous catalysts. Recent work of a theoretical and high-throughout nature, allied to some experimental studies of well-chosen model systems, holds promise for the identification of new catalysts for simple, but industrially important reactions.Keywords
This publication has 73 references indexed in Scilit:
- Direct Imaging of the MoVTeNbO M1 Phase Using An Aberration‐Corrected High‐Resolution Scanning Transmission Electron MicroscopeAngewandte Chemie-International Edition, 2008
- Discovery of a new catalytically active and selective zeolite (ITQ-30) by high-throughput synthesis techniquesJournal of Catalysis, 2006
- Single‐Step Conversion of Dimethyl Terephthalate into Cyclohexanedimethanol with Ru5PtSn, a Trimetallic Nanoparticle CatalystAngewandte Chemie-International Edition, 2006
- Sequential One‐Pot Reactions Using the Concept of “Site Isolation”Angewandte Chemie-International Edition, 2006
- Photocatalytic oxidation of CO with various oxidants by Mo oxide species highly dispersed on SiO2 at 293KCatalysis Today, 2005
- In situ time-resolved characterization of Au–CeO2 and AuOx–CeO2 catalysts during the water-gas shift reaction: Presence of Au and O vacancies in the active phaseThe Journal of Chemical Physics, 2005
- Oxygen Storage at the Metal/Oxide Interface of Catalyst NanoparticlesAngewandte Chemie-International Edition, 2005
- Cluster, facets, and edges: Site‐dependent selective chemistry on model catalystsThe Chemical Record, 2003
- The siting, energetics and mobility of saturated hydrocarbons inside zeolitic cages: methane in zeolite YNature, 1988
- The structural relationships between the various phases of bismuth molybdates with special reference to their catalytic activityPhilosophical Magazine A, 1986