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Interpretation of x-ray absorption spectroscopy in the presence of surface hybridization

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Polyphenylsilole multilayers - an insight from X-ray electron spectroscopy and density functional theory

Katharina Johanna Diller

We present a combined investigation by means of X-ray photoelectron spectroscopy (XPS) and near-edge X-ray absorption fine-structure (NEXAFS) spectroscopy of condensed multilayers of two polyphenylsiloles, namely hexaphenylsilole (HPS) and tetraphenylsilol ...

Royal Society of Chemistry2015

We report the simultaneous formation of small Ir nanoparticles and silica–alumina from a well-defined iridium siloxide precursor grafted on alumina. Treatment of the alumina-supported iridium surface complex with H2 leads to the formation of small and narr ...

Elsevier2015

Protein adsorption on biomedical CoCrMo alloys plays a crucial role in biocompatibility, corrosion and wear properties of implants. So far, protein adsorption was studied only on passive CoCrMo alloys above the open circuit potential. In this work the adso ...

Elsevier2015

Solvent-dependent structure of the I3 - ion derived from photoelectron spectroscopy and Ab initio molecular dynamics simulations

Ulf Anders Hagfeldt

Ab initio molecular dynamics (MD) simulations of the solvation of LiI3 in four different solvents (water, methanol, ethanol, and acetonitrile) are employed to investigate the molecular and electronic structure of the I-3(-) ion in relation to X-ray photoel ...

Wiley-Blackwell2015

Facile synthesis of efficient visible active C-doped TiO2 nanomaterials with high surface area for the simultaneous removal of phenol and Cr(VI)

Nicolas Xanthopoulos

A single step synthesis of carbon doped TiO2 (anatase) nanomaterials have been reported by using combustion synthesis using ascorbic acid and citric acid fuels. X-ray diffraction studies indicated the formation of nanosized anatase titania, whereas, transm ...

Pergamon-Elsevier Science Ltd2015

Metal-organic frameworks (MOFs) have gained much attention as next-generation porous media for various applications, especially gas separation/storage, and catalysis. New MOFs are regularly reported; however, to develop better materials in a timely manner ...

Wiley-Blackwell2015

Polypeptide brushes grown via surface-initiated ring-opening polymerization of alpha-amino acid N-carboxyanhydrides

Harm-Anton Klok

Polypeptide brushes are attractive platforms to generate functional and responsive interfaces that are of potential interest due to their possible biodegradability, biocompatibility and tunable secondary structures. Surface-initiated ringopening polymeriza ...

Springer Verlag2015

A versatile photoelectron spectrometer for pressures up to 30 mbar

Ulf Anders Hagfeldt

High-pressure photoelectron spectroscopy is a rapidly developing technique with applications in a wide range of fields ranging from fundamental surface science and catalysis to energy materials, environmental science, and biology. At present the majority o ...

American Institute of Physics2014

X-ray Spectroscopic Study of Solvent Effects on the Ferrous and Ferric Hexacyanide Anions

Majed Chergui, Ursula Röthlisberger, Ivano Tavernelli, Thomas James Penfold, Marco Eli Reinhard, Mercedes Hannelore Rittmann-Frank

We present an Fe K alpha resonant inelastic X-ray scattering (RIXS) and X-ray emission (XES) study of ferrous and ferric hexacyanide dissolved in water and ethylene glycol. We observe that transitions below the absorption edge show that the solvent has a d ...

2014

Surface structure of nickel oxide layers on a Rh(111) surface

Luca Gragnaniello

The formation of nickel oxide nanolayers by oxidizing Ni overlayers on Rh(111) has been investigated and their structures are reported as a function of the nickel coverage and oxygen pressure. Scanning tunneling microscopy (STM), low-energy electron diffra ...

Elsevier2013