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@ARTICLE{Beker:885727,
author = {Beker, Anne France and Sun, Hongyu and Lemang, Mathilde and
van Omme, Johannes Tijn and Spruit, Ronald and Bremmer, G.
M. and Basak, Shibabrata and Perez Garza, Hector Hugo},
title = {{I}n {S}itu {E}lectrochemistry inside the {TEM} with
{C}ontrolled {M}ass {T}ransport},
journal = {Nanoscale},
volume = {12},
number = {43},
issn = {2040-3372},
address = {Cambridge},
publisher = {RSC Publ.},
reportid = {FZJ-2020-04039},
pages = {22192-22201},
year = {2020},
abstract = {The field of electrochemistry promises solutions for the
future energy crisis and environmental deterioration by
developing optimized batteries, fuel-cells and catalysts.
Combined with in situ transmission electron microscopy
(TEM), it can reveal functional and structural changes. A
drawback of this relatively young field is lack of
reproducibility in controlling the liquid environment while
retaining the imaging and analytical capabilities. Here, a
platform for in situ electrochemical studies inside a TEM
with a pressure-driven flow is presented, with the
capability to control the flow direction and to ensure the
liquid will always pass through the region of interest. As a
result, the system offers the opportunity to define the mass
transport and control the electric potential, giving access
to the full kinetics of the redox reaction. In order to show
the benefits of the system, copper dendrites are
electrodeposited and show reliable electric potential
control. Next, their morphology is changed by tuning the
mass transport conditions. Finally, at a liquid thickness of
approximately 100 nm, the diffraction pattern revealed the
〈1,1,1〉 planes of the copper crystals, indicating an
atomic resolution down to 2.15 Å. Such control of the
liquid thickness enabled elemental mapping, allowing us to
distinguish the spatial distribution of different elements
in liquid.},
cin = {IEK-9},
ddc = {600},
cid = {I:(DE-Juel1)IEK-9-20110218},
pnm = {131 - Electrochemical Storage (POF3-131)},
pid = {G:(DE-HGF)POF3-131},
typ = {PUB:(DE-HGF)16},
pubmed = {33136106},
UT = {WOS:000589051700022},
doi = {10.1039/D0NR04961A},
url = {https://juser.fz-juelich.de/record/885727},
}