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@ARTICLE{Mikulics:885924,
author = {Mikulics, Martin and Sofer, Zdenĕk and Winden, Andreas and
Trellenkamp, Stefan and Förster, Beate and Mayer, Joachim
and Hardtdegen, Hilde Helen},
title = {{N}ano-{LED} induced chemical reactions for structuring
processes},
journal = {Nanoscale advances},
volume = {2},
number = {11},
issn = {2516-0230},
address = {Cambridge},
publisher = {Royal Society of Chemistry},
reportid = {FZJ-2020-04180},
pages = {5421-5427},
year = {2020},
abstract = {We present a structuring technique based on the
initialization of chemical reactions by an array of
nano-LEDs which is used in the near-field as well as in the
far-field regime. In the near-field regime, we demonstrate
first results with the nano-LED array for lithography using
the photoresist DiazoNaphthoQuinone-(DNQ)-sulfonate for the
fabrication of holes in the resist down to ∼75 nanometres
in diameter. In contrast, the nano-LEDs can also be employed
in the far-field regime to expose thin films of the monomer
bisphenol A-glycidyl methacrylate (Bis-GMA) and to
initialize polymerization locally. Photosensitive films were
patterned and spherical cone-shaped three dimensional
objects with diameters ranging from ∼480 nm up to 20
micrometres were obtained. The modification in the material
as a result of the photochemical reaction induced i.e. by
polymerization was confirmed by Raman spectroscopy. This
structuring maskless technique has the potential to induce
substantial changes in photosensitive molecules and to
produce the desired structures from the tens of microns down
to the nanometre scale.},
cin = {ER-C-2},
ddc = {540},
cid = {I:(DE-Juel1)ER-C-2-20170209},
pnm = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
pid = {G:(DE-HGF)POF3-143},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000588627700033},
doi = {10.1039/D0NA00851F},
url = {https://juser.fz-juelich.de/record/885924},
}