Switching of an Azobenzene-Tripod Molecule on Ag(111)



TPAPA

Switching of an Azobenzene-Tripod Molecule on Ag(111)

Katharina Scheil, Thiruvancheril G. Gopakumar, Julia Bahrenburg, Friedrich Temps, Reinhard J. Maurer, Karsten Reuter, Richard Berndt, J. Phys. Chem. Lett. 7, 2080-2084 (2016)

We observe and interpret the mechanism of multistate switching of an Azobenzene Tripod on Ag(111) using STM, STS and Density Functional Theory.  

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Adsorption structures and energetics of molecules on metal surfaces: Bridging experiment and theory



HIOS

Adsorption structures and energetics of molecules on metal surfaces: Bridging experiment and theory

Reinhard J. Maurer, Victor G. Ruiz, Javier Camarillo-Cisneros, Wei Liu, Nicola Ferri, Karsten Reuter, Alexandre Tkatchenko, Prog. Surf. Sci. 91, 72-100 (2016)

By reviewing experiment and calculation data for structures and energies, we compose a benchmark database for molecules on metal surfaces.  

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Thermal and electronic fluctuations of flexible adsorbed molecules: Azobenzene on Ag(111)



Azo on Ag(111)

Thermal and electronic fluctuations of flexible adsorbed molecules: Azobenzene on Ag(111)

Reinhard J. Maurer, Wei Liu, Igor Poltavsky, Thomas Stecher, Harald Oberhofer, Karsten Reuter, Alexandre Tkatchenko, Phys. Rev. Lett., 116, 146101 (2016)

Ab Initio molecular dynamics simulation of the free energy of desorption reveals collective electronic and thermal fluctuations that define the finite-temperature energetics of complex adsorbates.  

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Coverage-Driven Dissociation of Azobenzene on Cu(111): A Route Towards Defined Surface Functionalization



Azobenzene dissociation on Cu(111)

Coverage-Driven Dissociation of Azobenzene on Cu(111): A Route Towards Defined Surface Functionalization

M. Willenbockel, R. J. Maurer, C. Bronner, M. Schulze, B. Stadtmüller, S. Soubatch, P. Tegeder, K. Reuter, F. S. Tautz, Chem. Commun., 51, 15324-15327 (2015)

Using X-ray Photoelectron Spectroscopy, X-ray Standing Waves and Density Functional Theory we discover a novel route towards surface functionalization by coverage-driven dissociation of Azobenzene on Cu(111)

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Photoswitching in nanoporous, crystalline solids: an experimental and theoretical study for azobenzene linkers incorporated in MOFs



Azobenzene in MOF cage

Photoswitching in nanoporous, crystalline solids: an experimental and theoretical study for azobenzene linkers incorporated in MOFs

Z. Wang, L. Heinke, J. Jelic, M. Cakici, M. Dommaschk, R. J. Maurer, H. Oberhofer, S. Grosjean, R. Herges, S. Bräse, K. Reuter, C. Wöll, Phys. Chem. Chem. Phys. 17, 14582-14587 (2015)

Using Density-Functional Theory we identify the reasons for switching or non-switching of azobenzene linkers in metal-organic frameworks

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X-ray standing wave simulations based on Fourier vector analysis as a method to retrieve complex molecular adsorption geometries



Argand Diagram

X-ray standing wave simulations based on Fourier vector analysis as a method to retrieve complex molecular adsorption geometries

G. Mercurio, R. J. Maurer, S. Hagen, F. Leyssner, J. Meyer, P. Tegeder, S. Soubatch, K. Reuter,F. S. Tautz, Front. Phys 2, 2 (2014)

An analysis method of x-ray standing wave data that enables the detailed adsorption geometry of large, complex adsorbates to be retrieved

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Quantification of finite-temperature effects on adsorption geometries of π-conjugated molecules: Azobenzene/Ag(111)



Coverage changes structure of Azobenzene

Quantification of finite-temperature effects on adsorption geometries of π-conjugated molecules: Azobenzene/Ag(111)

G. Mercurio, R. J. Maurer, W. Liu, S. Hagen, F. Leyssner, P. Tegeder, J. Meyer, A. Tkatchenko, S. Soubatch, K. Reuter, F. S. Tautz,  Phys. Rev. B 88, 035421 (2013)

We obtain the adsorption structure of Azobenzene on Ag(111) with simulation and experiment by accounting for anharmonic temperature effects  

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