Continuous synthesis of hollow silver-palladium nanoparticles for catalytic applications

WU, Kejun, GAO, Yunhu and TORRENTE-MURCIANO, Laura (2018). Continuous synthesis of hollow silver-palladium nanoparticles for catalytic applications. Faraday Discussions.

Wu-ContinuousSynthesisOfHollowSilver-Palladium(AM).pdf - Accepted Version
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Hollow bimetallic nanoparticles exhibit unique surface plasmonic properties, enhanced catalytic activities and high photo-thermal conversion efficiencies amongst other properties, however, their research and further deployment are currently limited by their complicated multi-step syntheses. This paper presents a novel approach for their continuous synthesis with controllable and tuneable sizes and compositions. This robust manufacturing tool, consisting of coiled flow inverter (CFI) reactors connected in series, allows for the first time the tempo- and spatial- separation of the initial formation of silver seeds and their subsequent galvanic displacement reaction in the presence of a palladium precursor, leading to the full control of both steps separately. We have also demonstrated that coupling the galvanic replacement and co-reduction leads to a great kinetic enhancement of the system leading to a high yield process of hollow bimetallic nanoparticles, directly applicable to other metal combinations.

Item Type: Article
Departments - Does NOT include content added after October 2018: Faculty of Science, Technology and Arts > Department of Engineering and Mathematics
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Depositing User: Kejun Wu
Date Deposited: 19 Apr 2018 14:11
Last Modified: 18 Mar 2021 07:47

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