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@ARTICLE{Naboka:172053,
author = {Naboka, Michael and Subach, Sergey and Nefedov, Alexei and
Tautz, Frank Stefan and Wöll, Christof},
title = {{D}irect {E}vidence of the {T}emperature-{I}nduced
{M}olecular {R}eorientation in {T}etracene {T}hin {F}ilms on
{A}l{O}$_{x}$ /{N}i $_{3}$ {A}l(111)422},
journal = {The journal of physical chemistry / C},
volume = {118},
number = {39},
issn = {1932-7455},
address = {Washington, DC},
publisher = {Soc.},
reportid = {FZJ-2014-05602},
pages = {22678 - 22682},
year = {2014},
abstract = {Control over the optical properties of the fluorescent
organic layer plays a key role in the development of organic
light-emitting diodes. A combination of near-edge X-ray
absorption fine structure spectroscopy and X-ray
photoelectron spectroscopy was used to study structural
changes in thin films of tetracene on AlOx/Ni3Al(111). It is
shown that upon deposition onto the cold (100 K) substrate,
a monolayer of tetracene molecules adopts a disordered
adsorption configuration with the molecular planes
orientated almost parallel to the surface. Upon annealing at
280 K, the molecular packing changes and the tetracene units
adopt a more upright orientation. The consequences of this
orientational change for the luminescent properties of the
molecular adlayer are discussed, in particular with regard
to a quenching of the optical excitation by an electronic
coupling of occupied and unoccupied molecular states to
those of the metal substrate},
cin = {PGI-3 / JARA-FIT},
ddc = {540},
cid = {I:(DE-Juel1)PGI-3-20110106 / $I:(DE-82)080009_20140620$},
pnm = {422 - Spin-based and quantum information (POF2-422)},
pid = {G:(DE-HGF)POF2-422},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000342652000031},
doi = {10.1021/jp507773f},
url = {https://juser.fz-juelich.de/record/172053},
}