Journal Article

FZJ-2019-04666

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Silver Particles with Rhombicuboctahedral Shape and Effective Isotropic Interactions with Light

Steiner, A. M. ; Mayer, M. ; Schletz, D. ; Wolf, D. ; Formanek, P. ; Hübner, R. ; Dulle, M.FZJ* ; Förster, S.FZJ* ; König, T. A. F. ; Fery, A. (Corresponding author)

2019
American Chemical Society Washington, DC

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Please use a persistent id in citations: http://hdl.handle.net/2128/24169  doi:10.1021/acs.chemmater.8b05220

Abstract: Truly spherical silver nanoparticles are of great importance for fundamental studies including plasmonic applications, but their direct synthesis in aqueous media is not feasible. Using the commonly employed copper-based etching processes, an isotropic plasmonic response can be achieved by etching well-defined silver nanocubes. Whilst spherical-like shape is typically prevailing in such processes, we established that there is a preferential growth toward silver rhombicuboctahedra, which is the thermodynamically most stable product of this synthesis. The rhombicuboctahedral morphology is further evidenced by comprehensive characterization with small-angle X-ray scattering in combination with transmission electron microscopy (TEM) tomography and high-resolution TEM. We also elucidate the complete reaction mechanism based on UV–vis kinetic studies, and the postulated mechanism can also be extended to all copper-based etching processes

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Contributing Institute(s):

1. Neutronenstreuung (ICS-1)
2. Neutronenstreuung (JCNS-1)

Research Program(s):

1. 551 - Functional Macromolecules and Complexes (POF3-551) (POF3-551)
2. 6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623) (POF3-623)
3. 6215 - Soft Matter, Health and Life Sciences (POF3-621) (POF3-621)

Appears in the scientific report 2019

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Database coverage:
; ; Clarivate Analytics Master Journal List ; Current Contents - Engineering, Computing and Technology ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; IF >= 5 ; JCR ; Nationallizenz ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Web of Science Core Collection

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