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Grafting, self-organization and reactivity of double-decker rare-earth phthalocyanine
Sorbonne Univ, Inst Nanosci Paris, UMR CNRS 7588, 4 Pl Jussieu, F-75005 Paris, France.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Natl Sun Yat Sen Univ, Dept Mat & Optoelect Sci, Kaohsiung 80424, Taiwan.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Molecular and Condensed Matter Physics. Sorbonne Univ, Inst Nanosci Paris, UMR CNRS 7588, 4 Pl Jussieu, F-75005 Paris, France.
Sorbonne Univ, Inst Nanosci Paris, UMR CNRS 7588, 4 Pl Jussieu, F-75005 Paris, France.
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2019 (English)In: Journal of Porphyrins and Phthalocyanines, ISSN 1088-4246, E-ISSN 1099-1409, Vol. 23, no 11-12, p. 1523-1534Article in journal (Refereed) Published
Abstract [en]

Unveiling the interplay of semiconducting organic molecules with their environment, such as inorganic materials or atmospheric gas, is the first step to designing hybrid devices with tailored optical, electronic or magnetic properties. The present article focuses on a double-decker lutetium phthalocyanine known as an intrinsic semiconducting molecule, holding a Lu ion in its center, sandwiched between two phthalocyanine rings. Carrying out experimental investigations by means of electron spectroscopies, X-ray diffraction and scanning probe microscopies together with advanced ab initio computations, allows us to unveil how this molecule interacts with weakly or highly reactive surfaces. Our studies reveal that a molecule-surface interaction is evidenced when molecules arc deposited on bare silicon or on gold surfaces together with a charge transferred from the substrate to the molecule, affecting to a higher extent the lower ring of the molecule. A new packing of the molecules on gold surfaces is proposed: an eclipse configuration in which molecules are flat and parallel to the surface, even for thick films of several hundreds of nanometers. Surprisingly, a robust tolerance of the double-decker phthalocyanine toward oxygen molecules is demonstrated, leading to weak chemisorption of oxygen below 100 K.

Place, publisher, year, edition, pages
WORLD SCI PUBL CO INC , 2019. Vol. 23, no 11-12, p. 1523-1534
Keywords [en]
LuPc2, XPS, NEXAFS, GLXD, STM, DFT
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-406207DOI: 10.1142/S1088424619501736ISI: 000508130500033OAI: oai:DiVA.org:uu-406207DiVA, id: diva2:1412486
Funder
Swedish Research CouncilSwedish National Infrastructure for Computing (SNIC)EU, FP7, Seventh Framework Programme, 321319EU, FP7, Seventh Framework Programme, 607232Knut and Alice Wallenberg FoundationAvailable from: 2020-03-06 Created: 2020-03-06 Last updated: 2020-03-06Bibliographically approved

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Lüder, JohannBidermane, IevaPuglia, CarlaBrena, Barbara

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