Palladium nanoparticle-loaded cellulose paper: a highly efficient, robust, and recyclable self-assembled composite catalytic system

Zheng, Guangchao, Kaefer, Katharina, Mourdikoudis, Stefanos, Polavarapu, Lakshminarayana, Vaz, Belén, Cartmell, Samantha, Bouleghlimat, Azzedine, Buurma, Niklaas Jan ORCID: https://orcid.org/0000-0003-0260-5057, Yate, Luis, de Lera, Ángel R., Liz-Marzán, Luis M., Pastoriza-Santos, Isabel and Pérez-Juste, Jorge 2014. Palladium nanoparticle-loaded cellulose paper: a highly efficient, robust, and recyclable self-assembled composite catalytic system. The Journal of Physical Chemistry Letters 6 (2) , pp. 230-238. 10.1021/jz5024948

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Abstract

We present a novel strategy based on the immobilization of palladium nanoparticles (Pd NPs) on filter paper for development of a catalytic system with high efficiency and recyclability. Oleylamine-capped Pd nanoparticles, dispersed in an organic solvent, strongly adsorb on cellulose filter paper, which shows a great ability to wick fluids due to its microfiber structure. Strong van der Waals forces and hydrophobic interactions between the particles and the substrate lead to nanoparticle immobilization, with no desorption upon further immersion in any solvent. The prepared Pd NP-loaded paper substrates were tested for several model reactions such as the oxidative homocoupling of arylboronic acids, the Suzuki cross-coupling reaction, and nitro-to-amine reduction, and they display efficient catalytic activity and excellent recyclability and reusability. This approach of using NP-loaded paper substrates as reusable catalysts is expected to open doors for new types of catalytic support for practical applications.

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Chemistry
Subjects:	Q Science > QD Chemistry
Publisher:	ACS Publications
ISSN:	1948-7185
Funders:	Cardiff University and others
Date of First Compliant Deposit:	19 May 2016
Last Modified:	04 Dec 2024 03:30
URI:	https://orca.cardiff.ac.uk/id/eprint/70560

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