CoPc and CoPcF(16) on gold: Site-specific charge-transfer processes

Interface properties of cobalt(II) phthalocyanine (CoPc) and cobalt(II) hexadecafluoro-phthalocyanine (CoPcF(16)) to gold are investigated by photo-excited electron spectroscopies (X-ray photoemission spectroscopy (XPS), ultraviolet photoemission spectroscopy (UPS) and X-ray excited Auger electron s...

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Autores principales: Petraki, Fotini, Peisert, Heiko, Uihlein, Johannes, Aygül, Umut, Chassé, Thomas
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Beilstein-Institut 2014
Materias:
Full Research Paper
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4077293/
https://www.ncbi.nlm.nih.gov/pubmed/24991487
http://dx.doi.org/10.3762/bjnano.5.61
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author Petraki, Fotini
Peisert, Heiko
Uihlein, Johannes
Aygül, Umut
Chassé, Thomas
author_facet Petraki, Fotini
Peisert, Heiko
Uihlein, Johannes
Aygül, Umut
Chassé, Thomas
author_sort Petraki, Fotini
collection PubMed
description Interface properties of cobalt(II) phthalocyanine (CoPc) and cobalt(II) hexadecafluoro-phthalocyanine (CoPcF(16)) to gold are investigated by photo-excited electron spectroscopies (X-ray photoemission spectroscopy (XPS), ultraviolet photoemission spectroscopy (UPS) and X-ray excited Auger electron spectroscopy (XAES)). It is shown that a bidirectional charge transfer determines the interface energetics for CoPc and CoPcF(16) on Au. Combined XPS and XAES measurements allow for the separation of chemical shifts based on different local charges at the considered atom caused by polarization effects. This facilitates a detailed discussion of energetic shifts of core level spectra. The data allow the discussion of site-specific charge-transfer processes.
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spelling pubmed-40772932014-07-02 CoPc and CoPcF(16) on gold: Site-specific charge-transfer processes Petraki, Fotini Peisert, Heiko Uihlein, Johannes Aygül, Umut Chassé, Thomas Beilstein J Nanotechnol Full Research Paper Interface properties of cobalt(II) phthalocyanine (CoPc) and cobalt(II) hexadecafluoro-phthalocyanine (CoPcF(16)) to gold are investigated by photo-excited electron spectroscopies (X-ray photoemission spectroscopy (XPS), ultraviolet photoemission spectroscopy (UPS) and X-ray excited Auger electron spectroscopy (XAES)). It is shown that a bidirectional charge transfer determines the interface energetics for CoPc and CoPcF(16) on Au. Combined XPS and XAES measurements allow for the separation of chemical shifts based on different local charges at the considered atom caused by polarization effects. This facilitates a detailed discussion of energetic shifts of core level spectra. The data allow the discussion of site-specific charge-transfer processes. Beilstein-Institut 2014-04-25 /pmc/articles/PMC4077293/ /pubmed/24991487 http://dx.doi.org/10.3762/bjnano.5.61 Text en Copyright © 2014, Petraki et al. https://creativecommons.org/licenses/by/2.0https://www.beilstein-journals.org/bjnano/termsThis is an Open Access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The license is subject to the Beilstein Journal of Nanotechnology terms and conditions: (https://www.beilstein-journals.org/bjnano/terms)
spellingShingle Full Research Paper
Petraki, Fotini
Peisert, Heiko
Uihlein, Johannes
Aygül, Umut
Chassé, Thomas
CoPc and CoPcF(16) on gold: Site-specific charge-transfer processes
title CoPc and CoPcF(16) on gold: Site-specific charge-transfer processes
title_full CoPc and CoPcF(16) on gold: Site-specific charge-transfer processes
title_fullStr CoPc and CoPcF(16) on gold: Site-specific charge-transfer processes
title_full_unstemmed CoPc and CoPcF(16) on gold: Site-specific charge-transfer processes
title_short CoPc and CoPcF(16) on gold: Site-specific charge-transfer processes
title_sort copc and copcf(16) on gold: site-specific charge-transfer processes
topic Full Research Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4077293/
https://www.ncbi.nlm.nih.gov/pubmed/24991487
http://dx.doi.org/10.3762/bjnano.5.61
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AT chassethomas copcandcopcf16ongoldsitespecificchargetransferprocesses

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