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@ARTICLE{Derelli:610881,
author = {Derelli, Davide and Frank, Kilian and Grote, Lukas and
Mancini, Federica and Dippel, Ann-Christin and Gutowski,
Olof and Nickel, Bert and Koziej, Dorota},
title = {{D}irect {S}ynthesis of {C}u{P}d {I}cosahedra
{S}upercrystals {S}tudied by {I}n {S}itu {X}‐{R}ay
{S}cattering},
journal = {Small},
volume = {20},
number = {32},
issn = {1613-6810},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {PUBDB-2024-04715},
pages = {2311714},
year = {2024},
abstract = {Nanocrystal self-assembly into supercrystals provides a
versatile platform for creating novel materials and devices
with tailored properties. While common self-assembly
strategies imply the use of purified nanoparticles after
synthesis, conversion of chemical precursors directly into
nanocrystals and then supercrystals in simple procedures has
been rarely reported. Here, the nucleation and growth of
CuPd icosahedra and their consecutive assembly into large
closed-packed face-centered cubic (fcc) supercrystals are
studied. To this end, the study simultaneously and in situ
measures X-ray total scattering with pair distribution
function analysis (TS-PDF) and small-angle X-ray scattering
(SAXS). It is found that the supercrystals' formation is
preceded by an intermediate dense phase of nanocrystals
displaying short-range order (SRO). It is further shown that
the organization of oleic acid/oleylamine surfactants into
lamellar structures likely drives the emergence of the SRO
phase and later of the supercrystals by reducing the volume
accessible to particle diffusion. The supercrystals'
formation as well as their disassembly are triggered by
temperature. The study demonstrates that ordering of solvent
molecules can be crucial in the direct synthesis of
supercrystals. The study also provides a general approach to
investigate novel preparation routes of supercrystals in
situ and across several length scales via X-ray scattering.},
cin = {DOOR ; HAS-User / FS-PETRA-D},
ddc = {620},
cid = {I:(DE-H253)HAS-User-20120731 /
I:(DE-H253)FS-PETRA-D-20210408},
pnm = {631 - Matter – Dynamics, Mechanisms and Control
(POF4-631) / 6G3 - PETRA III (DESY) (POF4-6G3) / DFG project
G:(GEPRIS)194651731 - EXC 1074: Hamburger Zentrum für
ultraschnelle Beobachtung (CUI): Struktur, Dynamik und
Kontrolle von Materie auf atomarer Skala (194651731) / DFG
project G:(GEPRIS)390715994 - EXC 2056: CUI: Advanced
Imaging of Matter (390715994)},
pid = {G:(DE-HGF)POF4-631 / G:(DE-HGF)POF4-6G3 /
G:(GEPRIS)194651731 / G:(GEPRIS)390715994},
experiment = {EXP:(DE-H253)P-P07-20150101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:38501853},
UT = {WOS:001187028800001},
doi = {10.1002/smll.202311714},
url = {https://bib-pubdb1.desy.de/record/610881},
}