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Title
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Thermal stability of gold/palladium octopods studied in situ in 3D : understanding design rules for thermally stable metal nanoparticles
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Author
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Abstract
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| Multifunctional metal nanoparticles (NPs) such as anisotropic multimetallic NPs are crucial for boosting nanomaterial-based applications. Advanced synthetic protocols exist to make a large variety of such nanostructures. However, a major limiting factor for the usability of them in real life applications is their stability. Here, we show that Au/Pd octopods, eight-branched nanocrystals with O-h symmetry, with only a low amount of Pd exhibited a high thermal stability and maintained strong plasmon resonances up to 600 degrees C. Furthermore, we study environment on the thermal stability and define key parameters the influence of the composition, morphology, and environment on the thermal stability and define key parameters for the design of thermally stable multifunctional NPs. |
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Language
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English
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Source (journal)
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ACS nano. - -
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Publication
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2019
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ISSN
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1936-0851
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DOI
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10.1021/ACSNANO.9B00108
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Volume/pages
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13
:6
(2019)
, p. 6522-6530
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ISI
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000473248300038
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Pubmed ID
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31091074
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Full text (Publisher's DOI)
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Full text (open access)
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Full text (publisher's version - intranet only)
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