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2 article(s) from Valášek, Michal

Rigid multipodal platforms for metal surfaces

Michal Valášek,
Marcin Lindner and
Marcel Mayor

Beilstein J. Nanotechnol. 2016, 7, 374–405, doi:10.3762/bjnano.7.34

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Figure 1: Schematic drawing of a molecule attached to the surface via a tripodal structure.

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Figure 2: Aliphatic tripodal structures 1–5.

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Figure 3: Trialkylarylsilane platforms 6–8.

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Figure 4: Structure of extended adamantane-based scaffolds 9–12.

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Figure 5: Structure of adamantane tripodal molecules 13–16.

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Figure 6: (a) UHV-NC-AFM image (350 × 350 nm², Δf = −28 Hz) of 4-carboxyazobenzene 13 adsorbed on Au(111) usi...

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Figure 7: Adamantane-based tripods 17–20.

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Figure 8: (a) ORTEP drawing of 17 as determined by single-crystal X-ray diffraction analysis at 100 K. Ellips...

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Figure 9: Schematic adsorption models of trimers (a), hexagon (b) and SAMs (c) of 17 on Au(111). B (B’) is th...

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Figure 10: Adamantane and cyclohexane-based tridental platforms.

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Figure 11: Structure of aliphatic multipodal adsorbates.

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Figure 12: Functionalized tetraphenylmethane tripods 29–32.

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Figure 13: Structure of pyridine terminated platforms 33–35.

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Figure 14: Structures of the junctions used for the ab initio transport calculations, (a) 34 (111) model and (...

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Figure 15: Redox-active tripodal structures 36 and 37.

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Figure 16: Self-decoupled porphyrin with a tetraphenylmethane scaffold 38.

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Figure 17: Schematic configuration of 38 on Au(111) and localized electrical excitation from a nanotip. Reprin...

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Figure 18: Structure of tripodal [2]rotaxanes 39.

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Figure 19: Tetraphenylsilane-based platforms 40.

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Figure 20: Structure of surface-bound molecular motors 41 for gold surfaces.

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Figure 21: Fullerene-terminated tetraphenylmethane platforms 42 and 43.

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Figure 22: Structure of the tripodal luminescent ruthenium complex 44.

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Figure 23: Bis(terpyridine)–Fe(II) oligomer wires terminated with a tripodal scaffold 45.

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Figure 24: Structure of altitudinal light-driven molecular motors 46 and 47 for gold surfaces.

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Figure 25: Structure of the rigid 9,9’-spirobifluorene platform 48.

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Figure 26: (a) Highly ordered island of molecular tripods 48 (yellow) and remaining CH₂Cl₂ (dark purple) on th...

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Figure 27: Organometallic tripodal scaffolds 49–51.

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Figure 28: Dipolar and nonpolar altitudinal molecular rotors 52 and 53.

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Figure 29: Optimized representative eclipsed (A) and staggered (B) conformations of the MMP diastereomer of 52...

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Figure 30: Structure of triazatriangulenium 54 and trioxatriangulenium 55 scaffolds.

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Figure 31: (a) STM image of a porphyrin–TATA adlayer of a zinc-porphyrin derivative of the octyl-TATA platform ...

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Review

Published 08 Mar 2016

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Direct monitoring of opto-mechanical switching of self-assembled monolayer films containing the azobenzene group

Einat Tirosh,
Enrico Benassi,
Silvio Pipolo,
Marcel Mayor,
Michal Valášek,
Veronica Frydman,
Stefano Corni and
Sidney R. Cohen

Beilstein J. Nanotechnol. 2011, 2, 834–844, doi:10.3762/bjnano.2.93

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Figure 1: (a) Topography (color bar: 0–70 nm), (b) phase (color bar: 0–15 degrees), (c) error signal (scale i...

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Figure 2: (a) Topography (color bar: 0–70 nm), (b) phase (color bar: 0–15 degrees), (c) error signal (scale i...

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Figure 3: (a) Topography (color bar: 0–15 nm), (b) phase (color bar: 0–20 degrees), (c) error signal (scale i...

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Figure 4: Histogram of the normalized modulus for different illumination conditions: As prepared, at 365 nm f...

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Figure 5: Displacement vectors for the normal mode that dominates the averaged force constant of (a) trans- a...

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Figure 6: (a) Arrangement of the fixed sulfur atoms in the MD model of the SAM. The unit cell that has been p...

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Figure 7: Compound 1 and compound 2 (2-DA-thiol), showing the deprotection reaction yielding the molecule use...

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Figure 8: AFM images of (a) clean evaporated Au surface (500 × 500 nm² color bar 12 nm) and (b) surface coate...

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Figure 9: UV–vis spectra for thio-2-DA in chloroform solution after exposure to 365 nm light (cis form) and 4...

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Figure 10: Sketch of the model used to derive SAM stiffness from QM results on the single molecule. (a) A is t...

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Figure 11: Computational compression procedure: Force acting on the indenter as a function of the distance bet...

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Full Research Paper

Published 20 Dec 2011

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