Colloidal tectonics for tandem synergistic Pickering interfacial catalysis: oxidative cleavage of cyclohexene oxide into adipic acid

Yang, Bingyu, Leclercq, Loïc, Schmitt, Véronique, Pera Titus, Marc and Nardello-Rataj, Véronique 2019. Colloidal tectonics for tandem synergistic Pickering interfacial catalysis: oxidative cleavage of cyclohexene oxide into adipic acid. Chemical Science 10 (2) , pp. 501-507. 10.1039/C8SC03345E

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Abstract

Supramolecular preorganization and interfacial recognition can provide useful architectures for colloidal building. To this aim, a novel approach, based on colloidal tectonics involving two surface-active particles containing both recognition and catalytic sites, has been developed for controlling the formation and the properties of Pickering emulsions. This was illustrated by the combination of dodecyltrimethylammonium phosphotungstate nanoparticles, [C12]3[PW12O40], and silica particles functionalized with alkyl and sulfonic acid groups, [Cn/SO3H]@SiO2. The interfacial self-assembly occurs by the penetration of the alkyl chains of [Cn/SO3H]@SiO2 into the [C12]3[PW12O40] supramolecular porous structure constituted of polar and apolar regions. The emulsions were used as a non-nitric acid route for adipic acid synthesis from the one-pot oxidative cleavage of cyclohexene oxide with aqueous H2O2. The catalytic performance was significantly boosted due to the synergistic interactions between the particles.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry Cardiff Catalysis Institute (CCI)
Additional Information:	This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence
Publisher:	Royal Society of Chemistry
ISSN:	2041-6520
Date of First Compliant Deposit:	11 January 2021
Date of Acceptance:	13 October 2018
Last Modified:	05 May 2023 02:20
URI:	https://orca.cardiff.ac.uk/id/eprint/137469

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