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@ARTICLE{Gliech:878265,
author = {Gliech, Manuel and Görlin, Mikaela and Gocyla, Martin and
Klingenhof, Malte and Bergmann, Arno and Selve, Sören and
Spöri, Camillo and Heggen, Marc and Dunin‐Borkowski,
Rafal E. and Suntivich, Jin and Strasser, Peter},
title = {{S}olute {I}ncorporation at {O}xide–{O}xide {I}nterfaces
{E}xplains {H}ow {T}ernary {M}ixed‐{M}etal {O}xide
{N}anocrystals {S}upport {E}lement‐{S}pecific
{A}nisotropic {G}rowth},
journal = {Advanced functional materials},
volume = {30},
number = {10},
issn = {1616-3028},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {FZJ-2020-02734},
pages = {1909054 -},
year = {2020},
abstract = {Fundamental understanding of anisotropic growth in oxide
nanocrystals is crucial to establish new synthesis
strategies and to tailor the nanoscale electronic, magnetic,
optical, and electrocatalytic properties of these particles.
While several growth investigations of metal alloy
nanoparticles have been reported, mechanistic studies on the
growth of ternary oxide materials are still missing. This
work constitutes the first study on the evolution of
anisotropic growth of manganese–cobalt oxide nanoparticles
by monitoring the elemental distribution and morphology
during the particle evolution via scanning transmission
electron microscopy–X‐ray spectroscopy. A new growth
mechanism based on a “solution‐solid‐solid” pathway
for mixed manganese cobalt oxides is revealed. In this
mechanism, the MnO seed formation occurs in the first step,
followed by the surface Co enrichment, which catalyzes the
growth along the <100> directions in all the subsequent
growth stages, creating rod, cross‐, and T‐shaped mixed
metal oxides, which preferentially expose {100} facets. It
is shown that the interrelation of both Mn and Co ions
initializes the anisotropic growth and presents the range of
validity of the proposed mechanism as well as the
shape‐determining effect based on the metal‐to‐metal
ratio.},
cin = {ER-C-1},
ddc = {530},
cid = {I:(DE-Juel1)ER-C-1-20170209},
pnm = {143 - Controlling Configuration-Based Phenomena (POF3-143)
/ DFG project 257727131 - Nanoskalige Pt
Legierungselektrokatalysatoren mit definierter Morphologie:
Synthese, Electrochemische Analyse, und ex-situ/in-situ
Transmissionselektronenmikroskopische (TEM) Studien
(257727131)},
pid = {G:(DE-HGF)POF3-143 / G:(GEPRIS)257727131},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000507962300001},
doi = {10.1002/adfm.201909054},
url = {https://juser.fz-juelich.de/record/878265},
}