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@ARTICLE{Marino:878395,
author = {Marino, Emanuele and Keller, Austin W. and An, Di and van
Dongen, Sjoerd and Kodger, Thomas E. and MacArthur,
Katherine E. and Heggen, Marc and Kagan, Cherie R. and
Murray, Christopher B. and Schall, Peter},
title = {{F}avoring the {G}rowth of {H}igh-{Q}uality,
{T}hree-{D}imensional {S}upercrystals of {N}anocrystals},
journal = {The journal of physical chemistry / C},
volume = {124},
number = {20},
issn = {1932-7455},
address = {Washington, DC},
publisher = {Soc.},
reportid = {FZJ-2020-02831},
pages = {11256 - 11264},
year = {2020},
abstract = {A recently developed emulsion-templated assembly method
promises the scalable, low-cost, and reproducible
fabrication of hierarchical nanocrystal (NC)
superstructures. These superstructures derive properties
from the unique combination of choices of NC building blocks
and superstructure morphology and therefore realize the
concept of “artificial solids”. To control the final
properties of these superstructures, it is essential to
control the assembly conditions that yield distinct
architectural morphologies. Here, we explore the phase-space
of experimental parameters describing the emulsion-templated
assembly including temperature, interfacial tension, and NC
polydispersity and demonstrate which conditions lead to the
growth of the most crystalline NC superstructures or
supercrystals. By using a combination of electron microscopy
and small-angle X-ray scattering, we show that slower
assembly kinetics, softer interfaces, and lower NC
polydispersity contribute to the formation of supercrystals
with grain sizes up to 600 nm, while reversing these trends
yields glassy solids. These results provide a clear path to
the realization of higher-quality supercrystals, necessary
to many applications.},
cin = {ER-C-1},
ddc = {530},
cid = {I:(DE-Juel1)ER-C-1-20170209},
pnm = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
pid = {G:(DE-HGF)POF3-143},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000537428000051},
doi = {10.1021/acs.jpcc.0c02805},
url = {https://juser.fz-juelich.de/record/878395},
}