2005
DOI: 10.1002/ange.200500766
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Nanopartikel als regenerierbare Katalysatoren: an der Nahtstelle zwischen homogener und heterogener Katalyse

Abstract: In der jüngsten Vergangenheit ist das Interesse an der Katalyse mit Nanopartikeln (NPs) stark gestiegen, wie zahlreiche Publikationen auf diesem Gebiet aus den letzten fünf Jahren belegen. Dieser Bereich der “semi‐heterogenen” Katalyse bildet die Nahtstelle zwischen homogener und heterogener Katalyse. Aktuelle Fortschritte betreffen die Effizienz und Selektivität der Reaktionen sowie die Rückgewinnung und Regenerierbarkeit des katalytischen Materials. Gewöhnlich werden die NP‐Katalysatoren aus einem Metallsalz… Show more

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Cited by 415 publications
(137 citation statements)
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“…In this sense, semiartificial approaches based on the use of natural proteins (e.g., apoenzyme), wherein a metal-complex catalyst is incorporated into the reaction sites as a cofactor, [2,3] and artificial approaches, in which large molecules such as polymers, [4][5][6] dendrimers, [7] supramolecular hosts, [8,9] and mesoporous materials [10] provide the protein-like reaction space required for enhancing the catalytic activity of the metal complex, have been adopted. As a result of the growing interest in metallic nanoparticle (MNP) catalysts, [11,12] there are numerous reports on the incorporation of MNPs into a reaction space constructed within different architectures such as polymers, [13] dendrimers, [14] micelles, [15] and mesoporous materials. [16,17] One key feature of MNPs is their surface-functionalizing property, which has allowed for the design of recyclable catalyst supports, [18] sensors, [19] and drug-delivery materials.…”
Section: Doi: 101002/adma201202979mentioning
confidence: 99%
“…In this sense, semiartificial approaches based on the use of natural proteins (e.g., apoenzyme), wherein a metal-complex catalyst is incorporated into the reaction sites as a cofactor, [2,3] and artificial approaches, in which large molecules such as polymers, [4][5][6] dendrimers, [7] supramolecular hosts, [8,9] and mesoporous materials [10] provide the protein-like reaction space required for enhancing the catalytic activity of the metal complex, have been adopted. As a result of the growing interest in metallic nanoparticle (MNP) catalysts, [11,12] there are numerous reports on the incorporation of MNPs into a reaction space constructed within different architectures such as polymers, [13] dendrimers, [14] micelles, [15] and mesoporous materials. [16,17] One key feature of MNPs is their surface-functionalizing property, which has allowed for the design of recyclable catalyst supports, [18] sensors, [19] and drug-delivery materials.…”
Section: Doi: 101002/adma201202979mentioning
confidence: 99%
“…This field, sometimes termed "semi-heterogeneous catalysis", is located at the frontier between homogeneous and heterogeneous catalysis. [1] Nanoparticles often offer higher catalytic efficiency per gram than larger size materials, because of their large surface-to-volume ratio. Usually, catalytically active nanoparticles are prepared from a metal salt, a reducing agent, and a stabilizer and are supported on an oxide, [2] charcoal, [3] a zeolite [4] or a polymer.…”
Section: Introductionmentioning
confidence: 99%
“…The metal nanoparticles offer high catalytic efficiency due to their large surface area-to-volume ratio [12] and have been widely applied in the Suzuki reaction. [11b,d,13] Although some important advances have been achieved in the palladium nanoparticlescatalyzed Suzuki reaction in recent years, it still needed harsh conditions to activate aryl chlor-A C H T U N G T R E N N U N G ides.…”
Section: Introductionmentioning
confidence: 99%