Growth mode and self-organization of LuPc<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mrow /><mml:mn>2</mml:mn></mml:msub></mml:math>on Si(001)-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>2</mml:mn><mml:mo>×</mml:mo><mml:mn>1</mml:mn></mml:mrow></mml:math>vicinal surfaces: An optical investigation

Boudet, S.; Bidermane, Ieva; Lacaze, Emmanuelle; Gallas, Bruno; Bouvet, Marcel; Brunet, Jérôme; Pauly, Alain; Borensztein, Y.; Witkowski, Nadine

doi:10.1103/physrevb.86.115413

Cited by 7 publications

(7 citation statements)

References 58 publications

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“…The molecules were deposed in situ in the diffractometer chamber. The optical signature of the LuPc 2 molecules was checked in real time during the deposition by surface-sensitive optical reflectivity . The incident beam has been kept at an angle of 0.4° to prevent scattering from the bulk by reducing the penetration depth of incoming X-rays.…”

Section: Experimental and Theoretical Methodsmentioning

confidence: 99%

“…The optical signature of the LuPc 2 molecules was checked in real time during the deposition by surface-sensitive optical reflectivity. 27 The incident beam has been kept at an angle of 0.4°to prevent scattering from the bulk by reducing the penetration depth of incoming X-rays. All the GIXD measurements have been performed at room temperature using a point detector.…”

Section: ■ Introductionmentioning

confidence: 99%

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New Quadratic Self-Assembly of Double-Decker Phthalocyanine on Gold(111) Surface: From Macroscopic to Microscopic Scale

et al. 2018

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Unveiling the self-organization mechanism of semiconducting organic molecules onto metallic surfaces is the rst step to design hybrid devices in which the selfassembling is exploited to tailor magnetic properties. In this study, doubledecker rare-earth phthalocyanines, namely lutetium phthalocyanine (LuPc 2), are deposited on Au(111) gold surface forming large scale self-assemblies. Global and local experimental techniques, namely grazing incidence X-ray diraction and scanning tunneling microscopy, supplemented by density functional theory calculations with van der Waals corrections, give insight of the molecular structural arrangement in the thin lm and the self-organization at the surface. Our results show unambiguously that the two plateaus of the doubledecker phthalocyanine present a dierent rotation than the isolated molecule. This is evidenced by density functional theory simulations of optimized LuPc 2 monolayer showing a perfect agreement with experimental ndings. Moreover, the stabilized structure of double layers reveals an eclipsed conguration of the molecules in the stacking, having the ligand plateaus parallel to the gold surface. The high crystallinity of the molecular assembly and its weak electronic coupling with the metallic substrate is expected to open new perspective in the design of optoelectronic or magnetic devices.

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Section: Experimental and Theoretical Methodsmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

New Quadratic Self-Assembly of Double-Decker Phthalocyanine on Gold(111) Surface: From Macroscopic to Microscopic Scale

et al. 2018

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“…to name a few. The adsorption of molecules on substrates was also intensively studied, among which is the exemplary case of perylene on mica(0001) [32,50,51], on Au(111) [32], on KCl(001) [51], on graphene, and hexagonal boron nitride [52], but as well, ethylene on Si(001) [53], phthalocyanine derivatives on Au(111) [54] and Si(001)-2 × 1 [55], perfluoropentacene on Ag(110) [42] and on SiO 2 [56], pentacene on quartz (0001) [57] and on SiO 2 [56], α-sexithiophene on Cu(110)-(2 × 1)O [58], etc. Other results are reviewed in Refs.…”

Section: Differential Reflectance Spectroscopymentioning

confidence: 99%

Noncontact AFM and differential reflectance spectroscopy joint analyses of bis-pyrenyl thin films on bulk insulators: Relationship between structural and optical properties

et al. 2018

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HAL is a multidisciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.

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“…11,12 On most metallic surfaces, Pc molecules are known to lie flat, whereas the molecular architectures are various on semiconducting substrates. Pc molecules are found lying flat on InSb(001) surface, 9 whereas they are inclined on Si(001).…”

Section: Introductionmentioning

confidence: 99%

“…Pc molecules are found lying flat on InSb(001) surface, 9 whereas they are inclined on Si(001). 11,13 Furthermore, a transition from lying-down to standing-up configuration occurs in less than one monolayer of CuPc on Si(111). 14 The different orientations are also observed on passivated surfaces.…”

Section: Introductionmentioning

confidence: 99%

Experimental and theoretical study of electronic structure of lutetium bi-phthalocyanine

Bidermane

Lüder

Boudet

et al. 2013

The Journal of Chemical Physics

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Using Near Edge X-Ray Absorption Fine Structure (NEXAFS) Spectroscopy, the thickness dependent formation of Lutetium Phthalocyanine (LuPc 2 ) films on a stepped passivated Si(100)2×1 reconstructed surface was studied. Density functional theory (DFT) calculations were employed to gain detailed insights into the electronic structure. Photoelectron spectroscopy measurements have not revealed any noticeable interaction of LuPc 2 with the H-passivated Si surface. The presented study can be considered to give a comprehensive description of the LuPc 2 molecular electronic structure. The DFT calculations reveal the interaction of the two molecular rings with each other and with the metallic center forming new kinds of orbitals in between the phthalocyanine rings, which allows to better understand the experimentally obtained NEXAFS results. © 2013 AIP Publishing LLC.

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Growth mode and self-organization of LuPc2on Si(001)-2×1vicinal surfaces: An optical investigation

Cited by 7 publications

References 58 publications

New Quadratic Self-Assembly of Double-Decker Phthalocyanine on Gold(111) Surface: From Macroscopic to Microscopic Scale

New Quadratic Self-Assembly of Double-Decker Phthalocyanine on Gold(111) Surface: From Macroscopic to Microscopic Scale

Noncontact AFM and differential reflectance spectroscopy joint analyses of bis-pyrenyl thin films on bulk insulators: Relationship between structural and optical properties

Experimental and theoretical study of electronic structure of lutetium bi-phthalocyanine

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