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The influence of porosity on nanoparticle formation in hierarchical aluminophosphates

The influence of porosity on nanoparticle formation in hierarchical aluminophosphates
The influence of porosity on nanoparticle formation in hierarchical aluminophosphates
In this work we explore the deposition of gold onto a silicoaluminophosphate, using a variety of known nanoparticle deposition techniques. By comparing the gold particles deposited on a traditional microporous aluminophosphate, with an analogous hierarchical species, containing both micropores and mesopores, we explore the influence of this dual porosity on nanoparticle deposition. We show that the presence of mesopores has limited influence on the nanoparticle properties, but allows the system to maintain
porosity after nanoparticle deposition. This will aid diffusion of reagents through the system, allowing continued access to the active sites in hierarchical systems, which offers significant potential in catalytic oxidation/reduction reactions.
aluminophosphate;, catalysis;, hierarchical catalysts, nanoparticles, porosity
2190-4286
1952-1957
Potter, Matthew
34dee7dc-2f62-4022-bb65-fc7b7fb526d2
Riley, Lauren
e9ed2e1c-6128-44c4-bcaf-1c36354c1b93
Oakley, Alice, Elizabeth
78ad819d-33bb-4c77-af90-9dcc96ed52e0
Mhembere, Panashe, Michael
f087e7a4-eb4e-4578-8f7a-3c2d8b92f8ce
Callison, June
65a8260e-eac2-4f55-86c7-f1e3874616e1
Raja, Robert
74faf442-38a6-4ac1-84f9-b3c039cb392b
Potter, Matthew
34dee7dc-2f62-4022-bb65-fc7b7fb526d2
Riley, Lauren
e9ed2e1c-6128-44c4-bcaf-1c36354c1b93
Oakley, Alice, Elizabeth
78ad819d-33bb-4c77-af90-9dcc96ed52e0
Mhembere, Panashe, Michael
f087e7a4-eb4e-4578-8f7a-3c2d8b92f8ce
Callison, June
65a8260e-eac2-4f55-86c7-f1e3874616e1
Raja, Robert
74faf442-38a6-4ac1-84f9-b3c039cb392b

Potter, Matthew, Riley, Lauren, Oakley, Alice, Elizabeth, Mhembere, Panashe, Michael, Callison, June and Raja, Robert (2019) The influence of porosity on nanoparticle formation in hierarchical aluminophosphates. Beilstein Journal of Nanotechnology, 10, 1952-1957. (doi:10.3762/bjnano.10.191).

Record type: Article

Abstract

In this work we explore the deposition of gold onto a silicoaluminophosphate, using a variety of known nanoparticle deposition techniques. By comparing the gold particles deposited on a traditional microporous aluminophosphate, with an analogous hierarchical species, containing both micropores and mesopores, we explore the influence of this dual porosity on nanoparticle deposition. We show that the presence of mesopores has limited influence on the nanoparticle properties, but allows the system to maintain
porosity after nanoparticle deposition. This will aid diffusion of reagents through the system, allowing continued access to the active sites in hierarchical systems, which offers significant potential in catalytic oxidation/reduction reactions.

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More information

Accepted/In Press date: 11 September 2019
Published date: 25 September 2019
Keywords: aluminophosphate;, catalysis;, hierarchical catalysts, nanoparticles, porosity

Identifiers

Local EPrints ID: 434967
URI: http://eprints.soton.ac.uk/id/eprint/434967
ISSN: 2190-4286
PURE UUID: c43d6572-c7d3-432a-8323-cc4d1c957964
ORCID for Matthew Potter: ORCID iD orcid.org/0000-0001-9849-3306
ORCID for Robert Raja: ORCID iD orcid.org/0000-0002-4161-7053

Catalogue record

Date deposited: 17 Oct 2019 16:30
Last modified: 18 Feb 2021 17:16

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