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Aminopolycarboxylic acids as a versatile tool to stabilize ceria nanoparticles-a fundamental model experimentally demonstrated
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor. KTH Royal Institute of Technology, Sweden.
KTH Royal Institute of Technology, Sweden.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor.ORCID iD: 0000-0001-8775-0602
2014 (English)In: RSC Advances, E-ISSN 2046-2069, Vol. 4, no 18, p. 9048-9055Article in journal (Refereed) Published
Abstract [en]

An extremely stable water dispersion of cerium oxide nanoparticles was prepared by colloidal synthesis, using nitrilotriacetic acid (NTA) as a stabilizer. Based on FT-IR measurements, the surface characteristics of NTA-stabilized ceria nanoparticles are clarified and a fundamental stabilization mechanism is proposed. The mechanism is based on the combination of the ionic nature of cerium oxide surface and the inner-sphere complexation model. From an application perspective it is remarkable that ceria nanoparticle dispersions stabilized by NTA are stable at neutral pH, which makes them a potential successful additive in UV screening applications.

Place, publisher, year, edition, pages
2014. Vol. 4, no 18, p. 9048-9055
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Natural Sciences
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URN: urn:nbn:se:ri:diva-6688DOI: 10.1039/c3ra45875jScopus ID: 2-s2.0-84893943174Local ID: 23679OAI: oai:DiVA.org:ri-6688DiVA, id: diva2:964528
Available from: 2016-09-08 Created: 2016-09-08 Last updated: 2023-05-09Bibliographically approved

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Ahniyaz, Anwar

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