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Kurt Schenk

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Related publications (55)

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Synthesis of Homogeneous Manganese-Doped Titanium Oxide Nanotubes from Titanate Precursors

László Forró, Arnaud Magrez, Kurt Schenk, Bálint Náfrádi, Endre Horvath, Zlatko Mickovic, Péter Szirmai, Rita Smajda, Dejan Dokic

We report a novel synthesis route of homogeneously manganese-doped TiO2 nanotubes in a broad concentration range. The scroll-type trititanate (H2Ti3O7) nanotubes prepared by hydrothermal synthesis were used as precursors. Mn2+ ions were introduced by an io ...

Amer Chemical Soc2013

Double bridged mu(2)-Halide Cu (II) complexes for the electrocatalytic reduction of CO2

Kurt Schenk, Farzaneh Fadaei Tirani, Jun Gu

Two dicopper (II) complexes of general formula CuLX2 {L = 2, 5-diphenyl-3, 4(2-pyridyl) cyclopenta-2, 4-dien-1-one, X = Cl (1) or Br (2)} have been synthesized and characterized by elemental analysis, IR, UV-Vis spectroscopic methods. The crystal stru ...

2019

Synthesis, structural characterization, and antibacterial activity of mononuclear cobalt(III) azido complexes of two pentadentate Schiff bases derived from 2-hydroxynaphthaldehyde

Kurt Schenk, Farzaneh Fadaei Tirani

The structural, spectroscopic, and electrochemical properties of [Co{(naph)(2)dien}(N-3)] and [Co{(naph)(2)dpt}(N-3)], where (naph)(2)dien=bis-(2-hydroxy-1-naphthaldimine)-N-diethylenetriaminedianion and (naph)(2)dpt=bis-(2-hydroxy-1-naphthaldimine)-N-dipr ...

Taylor & Francis Ltd2013

Exploration of the compositional space for mixed lead halogen perovskites for high efficiency solar cells

Michael Graetzel, Ulf Anders Hagfeldt, Kurt Schenk, Michael Saliba, Tor Jesper Jacobsson

Lead halide perovskites have attracted considerable interest as photoabsorbers in PV-applications over the last few years. The most studied perovskite material achieving high photovoltaic performance has been methyl ammonium lead iodide, CH3NH3PbI3. Recent ...

Royal Society of Chemistry2016

A nanoporous oxygen evolution catalyst synthesized by selective electrochemical etching of perovskite hydroxide CoSn(OH)(6) nanocubes

Xile Hu, Kurt Schenk, Fang Song

The development of efficient and Earth-abundant oxygen evolution reaction (OER) catalysts is essential for the generation of renewable hydrogen. The synthesis of nanoporous and high-surface-area catalysts remains challenging. Herein, we show that large nan ...

Royal Society of Chemistry2016

Oxidation of Catecholboron Enolates with TEMPO

Philippe Renaud, Kurt Schenk

Wiley-VCH Verlag GmbH2009

Hg(II) coordination complexes containing the tris(2-pyridylmethyl) amine ligand: Synthesis, characterization and crystal structure analysis

Kurt Schenk, Farzaneh Fadaei Tirani

Two new Hg(II) coordination compounds containing the tris(2-pyridylmethyl)amine (TPA) ligand were synthesized by conventional and sonochemical methods, characterized by spectroscopic techniques (FT-IR and elemental analysis) and their X-ray crystallographi ...

Elsevier2016

Synthesis, structure, and catalytic properties of palladium complexes containing bis(phosphino)-amine ligands

Kurt Schenk, Farzaneh Fadaei Tirani

Two N,N-bis(diphenylphosphino)-amine ligands [amine = 4-aminomorpholine (L-1) or 1-amino-4-methylpiperazine (L-2)] and their Pd(II) complexes were synthesised and characterised by IR and NMR spectroscopies. The structures of ligand L-1 and both complexes C ...

Elsevier Science Sa2016

Pizgrischite, (Cu,Fe)Cu14PbBi17S35, a new sulfosalt from the Swiss Alps: Description, crystal structure and occurrence

Kurt Schenk

Pizgrischite, (Cu,Fe)Cu14PbBi17S35, is a new mineral species named after the type locality, Piz Grisch Mountain, Val Ferrera, Graubunden, Switzerland. This sulfosalt occurs as thin, striated, metallic lead-grey blades measuring up to I cm in length, embedd ...

Mineralogical Association of Canada2007

Superparamagnetic Nanoparticles as High Efficiency Magnetic Resonance Imaging T-2 Contrast Agent

Francesco Stellacci, Henrik Moodysson Rønnow, Kurt Schenk, Paulo Henrique Jacob Silva, Randy Patrick Carney, Lin Yang, Ping Huang, Arash Alahgholipour Omrani

Nanoparticle-based magnetic resonance imaging T-2 negative agents are of great interest, and much effort is devoted to increasing cell loading capability while maintaining low cytotoxicity. Herein, two classes of mixed-ligand protected magnetic-responsive, ...

American Chemical Society2017

Ionic Liquid Control Crystal Growth to Enhance Planar Perovskite Solar Cells Efficiency

Michael Graetzel, Shaik Mohammed Zakeeruddin, Ulf Anders Hagfeldt, Kurt Schenk, Jingshan Luo, Michael Saliba, Antonio Abate, Fabrizio Giordano, Juan-Pablo Correa-Baena, Konrad Domanski, Jiyoun Seo, Amita Ummadisingu

Ionic liquids can retard the perovskite crystallization with the aim to form compact films with larger and more uniformly distributed grain size. The ionic liquid driven crystallization is exploited to prepared a record planar perovskite solar cell with st ...

Wiley-VCH Verlag Berlin2016

Synthesis, characterization and X-ray crystal structures of two polymorphs of a cobalt(III) complex with a N3O2 pentadentate Schiff base ligand, and benzylamine: spectral and electrochemical studies

Kurt Schenk, Farzaneh Fadaei Tirani

The title complex [Co-III{(naph)(2)dpt}(bzlan)]BPh4, where (naph)(2)dpt stands for bis-(2-hydroxy-1-naphthaldimine)-N-dipropylenetriamine dianion and bzlan for benzylamine, has been synthesized and characterized by elemental analyses, IR, UV-Vis and H-1 NM ...

Springer2013

Intense near-infrared luminescence of a mesomorphic ionic liquid doped with lanthanide b-diketonate ternary complexes

Jean-Claude Bünzli, Kurt Schenk

The ionic liquid 1-dodecyl-3-methylimidazole chloride ([C12- mim]Cl) is doped with 1 mol-% of the lanthanide ternary complexes [Ln(tta)3(phen)] (tta = thenoyltrifluoroacetonate, phen = 1,10-phenanthroline, Ln = Nd, Eu, Er, Yb), resulting in luminescent mes ...

2005

Synthesis, crystal structure, and electrochemical properties of Ni(II) and Cu(II) complexes with two unsymmetrical N2O2 Schiff base ligands

Kurt Schenk

Nickel(II) and copper(II) complexes of two unsymmetrical tetradentate Schiff base ligands [Ni(Me-salabza)] (1), [Cu(Me-salabza)] (2) and [Ni(salabza)] (3), {H(2)salabza = N,N'-bis[(salicylidene)-2-aminobenzylamine] and H2Me-salabza = N,N'-bis[(methylsalicy ...

Springer2014

A simple spiro-type hole transporting material for efficient perovskite solar cells

Michael Graetzel, Mohammad Khaja Nazeeruddin, Rosario Scopelliti, Peng Gao, Kurt Schenk, Jingshan Luo, Peng Gao, Ines Raabe

We developed a cost-effective spiro-type 4,4 ',4 '',4 '''-(2H,2 ' H,4H,4 ' H-3,3 '-spiro-bi[thieno[3,4-b][1,4] dioxepine]-6,6 ',8,8 '-tetrayl) tetrakis(N,N-bis(4-methoxyphenyl)aniline) hole transporting material (PST1) for perovskite solar cells (PSCs) th ...

Royal Society of Chemistry2015

Synthesis of nanoscopic optical fibers using lipid membranes as templates

Pierre Stadelmann, Horst Arthur Vogel, Kurt Schenk, Rudolf Hovius, Jean-Manuel Segura, Dimitrios Stamou, Marinela Gjoni Boillat, Gopakumar Gopalakrishnan

High-aspect-ratio, monocryst. Cd chloride nanowires doped with fluorescent CdS nanoparticles were synthesized using planar lipid membranes as templates. Cd2+ ions bound to the lipid bilayers (a) are released at low pH to the nanometer-sized, interlamellar ...

Wiley-VCH Verlag GmbH2005

Dimerization of Dendrimeric Lanthanide Complexes: Thermodynamic, Thermal, and Liquid-Crystalline Properties

Kurt Schenk, Thomas Binderup Jensen

A series of 10 different mesomorphic semidendrimeric tridentate ligands L5-L14 grafted with terminal cyanobiphenyl groups have been synthesized. Upon reaction with Ln(NO3)(3) (Ln = trivalent lanthanide), the central 2,6-bis(N-ethylbenzimidazol-2-yl)pyridin ...

2010

Crystal Engineering of Polymeric Structures with Dative Boron–Nitrogen Bonds: Design Criteria and Limitations

Rosario Scopelliti, Kay Severin, Farzaneh Fadaei Tirani, Philip Pattison, Kurt Schenk, Euro Solari, Nicolas Luisier

The combination of tripyridyl ligands and linear diboronate esters results in the formation of oligomeric or polymeric adducts featuring dative boron−nitrogen bonds. The relative orientation of the two different building blocks in the assemblies can be pre ...

2016

Preparation of 5-Membered Rings via Radical Addition-Translocation-Cyclization (RATC) Processes Mediated by Diethyl Thiophosphites

Philippe Renaud, Kurt Schenk

A practical method for the formation of thiophosphonates bearing functionalized monocyclic, fused bicyclic and spirocyclic residues is presented. The procedure requires the easily available terminal alkynes as starting materials as well as commercially and ...

Wiley2011

Concise Synthesis of Pyrrolidine and Indolizidine Alkaloids by a Highly Convergent Three-Component Reaction

Philippe Renaud, Kurt Schenk

The synthesis of pyrrolidine and indolizidine derivatives through radical carboazidation of alkenes with alpha-iodoketones, followed by reductive amination, is described. When properly substituted, further lactamization afforded pyrrolizidinones in good yi ...

2011