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@ARTICLE{Carlotto:903034,
author = {Carlotto, Silvia and Zamborlini, Giovanni and Jugovac,
Matteo and Schio, Luca and Floreano, Luca and Casarin,
Maurizio and Feyer, Vitaliy and Schneider, Claus Michael and
Cojocariu, Iulia},
title = {{R}eversible redox reactions in metal-supported porphyrin:
the role of spin and oxidation state},
journal = {Journal of materials chemistry / C},
volume = {9},
number = {37},
issn = {2050-7526},
address = {London [u.a.]},
publisher = {RSC},
reportid = {FZJ-2021-04763},
pages = {12559 - 12565},
year = {2021},
abstract = {On-surface molecular functionalization paved the way for
the stabilization of chelated ions in different oxidation
and spin states, allowing for the fine control of catalytic
and magnetic properties of metalorganic networks.
Considering two model systems, a reduced Co(I) and an
open-shell Co(II) metal-supported 2D molecular array, we
investigate the interplay between the low valence oxidation
and unpaired spin state in the molecular reactivity. We show
that the redox reaction taking place at the cobalt
tetraphenylporphyrin/Cu(100) interface, stabilizing the
low-spin Co(I) state with no unpaired electrons in its
valence shell, plays a pivotal role in changing the
reactivity. This goes beyond the sole presence of unpaired
electrons in the valence state of the Co(II) metal–organic
species, often designated as being responsible for the
reactivity towards small molecules like NO and NO2. The
reversible Co–NO2 interaction, established with the Co(I)
leads to the stabilization of the Co(III) oxidation state.},
cin = {PGI-6},
ddc = {530},
cid = {I:(DE-Juel1)PGI-6-20110106},
pnm = {5211 - Topological Matter (POF4-521)},
pid = {G:(DE-HGF)POF4-5211},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000680883400001},
doi = {10.1039/D1TC02222A},
url = {https://juser.fz-juelich.de/record/903034},
}